[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.12"]
[Round "1"]
[White "Zapata, Alonso"]
[Black "Acosta, Alejandro"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2454"]
[BlackElo "2323"]
[PlyCount "34"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Nc6 7. Bg2 Bd7 8. O-O
Be7 9. Kh1 O-O ({RR} 9... Nxd4 10. Qxd4 O-O 11. a4 Bc6 12. b3 d5 13. e5 Nd7 14.
Ba3 Bxa3 15. Rxa3 Qb6 16. Qxb6 axb6 17. f4 b5 18. Ra2 bxa4 19. Nxa4 Bxa4 20.
bxa4 Rfc8 21. Rb1 Ra7 22. Bf1 Kf8 23. Rb4 Rc3 24. Rb3 {Zapata,A (2515)-Leko,P
(2600)/Cienfuegos 1997/CBM 059/1/2-1/2 (38)}) 10. f4 Nxd4 11. Qxd4 Bc6 12. a4
$146 ({RR} 12. Be3 Qc7 13. a4 b6 14. h3 Rfd8 15. b4 e5 16. Qd3 Rac8 17. a5 Ba8
18. Nd5 Bxd5 19. exd5 exf4 20. gxf4 Nd7 21. Be4 h6 22. Bf5 Bf6 23. axb6 axb6
24. Ra6 Ra8 25. Rxa8 Rxa8 26. Qb5 Ra3 {Fakhiridou,E (2274)-Grigoriadis,A (2417)
/Athens 2008/CBM 125 Extra/1/2-1/2 (60)}) ({RR} 12. Be3 b5 13. Rad1 Qd7 14. a3
a5 15. e5 Qb7 16. Bxc6 Qxc6+ 17. Kg1 Ng4 18. exd6 Nxe3 19. Qxe3 Bxd6 20. Qe4
Qb6+ 21. Kg2 b4 22. Na4 Qc7 23. axb4 axb4 24. b3 Rfd8 25. Rf2 Be7 26. Rfd2
Rxd2+ {Grigorov,J (2390)-Dragolov,T (2260)/Bankia 1992/EXT 1998/1/2-1/2 (68)})
12... Qa5 13. b4 Qh5 14. Bb2 Rfd8 15. h3 e5 16. Qf2 exf4 17. gxf4 a6 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.12"]
[Round "1"]
[White "Saladen Dulce, Rafael"]
[Black "Clavijo, Jorge Mario"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "2300"]
[BlackElo "2388"]
[PlyCount "108"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. Qc2
Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Be2 Qe7 12. O-O Rd8 ({RR} 12... Nd7 13. Qf5
c6 14. b4 g6 15. Qb1 Rfd8 16. a4 a5 17. bxa5 Rxa5 18. Nd2 Rda8 19. Bg4 R5a6 20.
Nb3 Nc5 21. Be2 R6a7 22. dxc5 Bxc3 23. cxb6 Rxa4 24. Rxa4 Rxa4 25. Qc2 Be5 26.
Rb1 Rb4 27. Na5 {Vovk,Y (2562)-Fedorchuk,S (2634)/Kiev 2012/CBM 150/1/2-1/2
(55)}) 13. Rac1 Nd7 14. Rfd1 c5 15. dxc5 $146 ({RR} 15. Qf5 g6 16. Qf4 Kg7 17.
Qc7 Nf8 18. Qxe7 Bxe7 19. dxc5 bxc5 20. Rc2 Ne6 21. Rcd2 Rab8 22. Nxd5 Bxd5 23.
Rxd5 Rxd5 24. Rxd5 Rxb2 25. Rd2 Rb1+ 26. Rd1 Rxd1+ 27. Bxd1 c4 28. Ne5 c3 29.
Nc6 Bc5 {Sokolovs,A (2480)-Van der Sterren,P (2510)/Yerevan 1996/EXT 1997/1/
2-1/2 (44)}) 15... Nxc5 16. Nb5 Ne4 17. Nbd4 Rdc8 18. Qb1 Rc5 19. Nb3 Rcc8 20.
Rxc8+ Rxc8 21. Rc1 Qb4 22. Rxc8+ Bxc8 23. Qc2 Bg4 24. a3 Qa4 25. Nfd4 Bxe2 26.
Qxe2 Qc4 27. Qd1 Nc5 28. Nc1 Bxd4 29. exd4 Ne6 30. Ne2 Qa2 31. Qc1 Qb3 32. Qd2
a5 33. h3 Qc4 34. f3 b5 35. Kf2 b4 36. axb4 axb4 37. Ke3 Qb3+ 38. Kf2 g6 39.
Nc1 Qc4 40. Ne2 h5 41. Qd1 Ng7 42. b3 Qa6 43. Nf4 Nf5 44. Qd2 Qf6 45. g3 Nxd4
46. Qxb4 Nf5 47. Nd3 Qa6 48. Qc3 Qa7+ 49. Kg2 Qe3 50. Qc2 Qb6 51. Qb1 Qb8 52.
f4 d4 53. Nc5 Qb5 54. Qc2 Ne3+ 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.12"]
[Round "1"]
[White "Ramirez, Carlos"]
[Black "Corradine, Jorge"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2324"]
[BlackElo "2154"]
[PlyCount "85"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
Nbd7 9. Qb3 Qb6 10. Rd1 ({RR} 10. Bd2 a5 11. Rfe1 O-O 12. Nh4 Bg6 13. Nxg6 hxg6
14. Rad1 g5 15. Bc1 e5 16. dxe5 Nxe5 17. Be2 Qc7 18. Qc2 Neg4 19. g3 Qe5 20.
Rd4 Nh6 21. Red1 Nf5 22. R4d3 Qc5 23. Qb3 Rfe8 24. Bf3 Nh6 {Bayer,E (2315)
-Braga,F (2445)/Germany 1987/GER-chT/1-0 (58)}) ({RR} 10. h3 h6 11. Ne2 O-O 12.
Ng3 Bh7 13. Bd2 Bd6 14. Ne2 Qxb3 15. Bxb3 Bd3 16. Rfe1 c5 17. Nc3 Ne4 18. Nxe4
Bxe4 19. Bc3 Bxf3 20. gxf3 cxd4 21. Bxd4 Be5 22. Red1 Rfd8 23. Rac1 Bxd4 24.
Rxd4 Ne5 {Satuev,E (2034)-Rozhko,D (2340)/Nalchik 2013/CBM 153 Extra/1/2-1/2
(47)}) 10... Bg4 $146 ({RR} 10... O-O 11. Bd2 a5 12. h3 h6 13. Be1 Rad8 14.
Rac1 Qc7 15. Nb1 Bxe1 16. Rxe1 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Nc3 Rb8 20.
Red1 b5 21. axb5 cxb5 22. Nxb5 Bd7 23. Qc3 Rxb5 24. Bxb5 Qxb5 25. Rd4 {Gillain,
N (2177)-Hautot,S (2328)/Belgium 2004/EXT 2006/0-1 (41)}) ({RR} 10... O-O 11.
Nh4 Bg6 12. Nxg6 hxg6 13. Na2 Be7 14. Qxb6 Nxb6 15. Bb3 a5 16. Bd2 Nbd5 17.
Rac1 Ne4 18. Be1 f5 19. f3 Nef6 20. Bf2 Ra6 21. Bc4 b5 22. Bd3 Rb6 23. axb5
cxb5 24. h3 b4 25. g3 {Loktionova,N (2201)-Gagloshvili,R (2195)/Protvino 2001/
EXT 2002/1/2-1/2 (42)}) 11. Be2 O-O 12. h3 Bxf3 13. Bxf3 e5 14. dxe5 Nxe5 15.
Be2 Rad8 16. Bd2 c5 17. Be1 h6 18. Kf1 a6 19. Nd5 Nxd5 20. Rxd5 Rxd5 21. Qxd5
Nc6 22. Qb3 Na5 23. Qc2 Bxe1 24. Rxe1 Rd8 25. Rd1 Rxd1+ 26. Qxd1 Qc7 27. Qd5 c4
28. g3 g6 29. h4 c3 30. bxc3 Qxc3 31. h5 g5 32. Qd3 Qc1+ 33. Qd1 Qxd1+ 34. Bxd1
b5 35. axb5 axb5 36. Ke2 Kg7 37. Kd3 b4 38. Kd4 Kf6 39. Bg4 Nb3+ 40. Kc4 Nd2+
41. Kd3 Nb3 42. Kc4 Nd2+ 43. Kd3 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.12"]
[Round "1"]
[White "Garavito, Miguel Angel"]
[Black "Cuartas, Jaime Alexander"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "2365"]
[PlyCount "80"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. g3 Ne4 7. Bg2 Nxc3 8.
bxc3 e6 9. O-O Be7 10. Qc2 $146 ({RR} 10. Re1 O-O 11. e4 dxe4 12. Rxe4 b6 13.
Ne5 Bb7 14. Re1 Qc8 15. Ng4 Na5 16. Bxb7 Qxb7 17. Qd3 Rac8 18. Ne5 Qd5 19. Bd2
Rfd8 20. h4 Nc4 21. Nxc4 Qxc4 22. Qf3 Qd5 23. Qg4 h5 24. Qd1 Bf6 {Rodrigues da
Silva,E (2183)-Gisclan,H (2253)/Brazil 2011/EXT 2013/1/2-1/2 (36)}) ({RR} 10.
Qd3 O-O 11. e4 Na5 12. Re1 b6 13. exd5 exd5 14. Ne5 Bb7 15. h4 Bf6 16. Ng4 Nc4
17. Qf5 Be7 18. Bf4 g6 {0-1 (18) Herzog,A (2410)-Schwarz,M (2405)/Austria 1999/
EXT 2000}) 10... b6 11. e4 dxe4 12. Ne5 Nxe5 13. Bxe4 Bd7 14. Bxa8 Qxa8 15.
dxe5 Qf3 16. Qd1 Qxc3 17. Be3 Qxe5 18. Rc1 Bd8 19. Re1 Qb8 20. Qf3 e5 21. Bf4
Bf6 22. Bxe5 Bxe5 23. Rxe5+ Qxe5 24. Qa8+ Ke7 25. Qxh8 h6 26. Qa8 Qa5 27. Qb7
Qa4 28. h4 g5 29. hxg5 hxg5 30. Qc7 Kf6 31. Qd6+ Be6 32. Qd8+ Kg6 33. Qg8+ Kf5
34. Qh7+ Kf6 35. Qh6+ Kf5 36. Re1 Qxa2 37. f4 gxf4 38. gxf4 Kg4 39. Qg5+ Kf3
40. Qh4 Qg2# 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.12"]
[Round "1"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Gamboa, Nelson"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2359"]
[BlackElo "2340"]
[PlyCount "101"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. f4 Bg7 5. e5 Nfd7 6. Nf3 O-O 7. Bc4 Nb6 8. Bd3
({RR} 8. Be2 dxe5 9. Nxe5 Nc6 10. Be3 Nxe5 11. dxe5 Be6 12. O-O f6 13. exf6
exf6 14. Qe1 Qe7 {1/2-1/2 (14) Hort,V (2600)-Nunn,J (2565)/Biel 1982/MCD}) 8...
c5 9. dxc5 dxc5 10. Be3 $146 ({RR} 10. Be4 Qxd1+ 11. Nxd1 f5 12. Bd3 Nc6 13. c3
a6 14. Be3 Nd5 15. Bc4 Rd8 16. Bxc5 b5 17. Bb3 Kf8 18. Bxd5 Rxd5 19. Bf2 Be6
20. Nd4 Nxd4 21. Bxd4 Bh6 22. O-O b4 23. Ne3 Rd7 24. g3 Rc8 {Knoll,M (2027)
-Buchegger,J (2091)/Austria 2011/EXT 2013/1/2-1/2 (48)}) ({RR} 10. Qe2 Bg4 11.
h3 Bxf3 12. Qxf3 Qc7 13. Be3 Nc6 14. Qf2 Nd7 15. h4 Rac8 16. h5 Rfd8 17. hxg6
hxg6 18. Nd5 Qb8 19. Qh4 Ndxe5 20. Qh7+ Kf8 21. fxe5 Qxe5 22. O-O Rxd5 23.
Rxf7+ Kxf7 24. Qxg6+ Kg8 {Wolf,S (2055)-Lippert,G/Germany 1997/EXT 2000/1/2-1/
2 (59)}) 10... Nd5 11. Nxd5 Qxd5 12. c4 Qc6 13. Qc2 Qc7 14. O-O-O Nc6 15. a3
Bg4 16. Qf2 Nd4 17. Bxd4 cxd4 18. Kb1 f6 19. exf6 Rxf6 20. g3 e5 21. h3 Bxf3
22. Qxf3 exf4 23. g4 Re8 24. Be4 Kh8 25. h4 Rfe6 26. Bd3 Re3 27. Qf2 Rg3 28. g5
Ree3 29. Qc2 Qc6 30. Rh2 Qf3 31. Rhd2 Qc6 32. h5 Rxg5 33. hxg6 hxg6 34. Rh2+
Kg8 35. c5 Qxc5 36. Qb3+ Qd5 37. Qxd5+ Rxd5 38. Bc4 Ree5 39. Rc1 g5 40. Bb3 Kf8
41. Rc8+ Ke7 42. Bxd5 Rxd5 43. Rh7 Kf6 44. Rc7 f3 45. Rhxg7 Kf5 46. Kc2 Kf4 47.
Rcf7+ Kg3 48. Kd3 g4 49. Rf8 Rh5 50. Ke4 Rh1 51. Rxf3+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.12"]
[Round "1"]
[White "Barrios, Felix"]
[Black "Mosquera, Miguel"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2225"]
[BlackElo "2315"]
[PlyCount "69"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. b3 g6 5. Bb2 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. d3
b5 $146 ({RR} 8... Ne8 9. Qc2 Bxb2 10. Qxb2 Ng7 11. cxd5 cxd5 12. Nc3 Nf6 13.
Rac1 Bd7 14. e4 dxe4 15. dxe4 Bc6 16. Ne5 Nd7 17. Nxc6 bxc6 18. Rfd1 Rc8 19.
Qa3 Rc7 20. Qa5 Rb7 21. Qxd8 Rxd8 22. Bh3 e6 23. Rd6 {Gabriel,C (2305)-Egger,T
(2275)/Germany 1990/GER-chT2/1-0 (45)}) ({RR} 8... a5 9. Na3 b6 10. Qc2 Bb7 11.
e4 Nc5 12. Rad1 Rc8 13. Rfe1 Ne8 14. Nb1 Bxb2 15. Qxb2 dxe4 16. dxe4 Qc7 17. a3
Rd8 18. Rxd8 Qxd8 19. b4 axb4 20. axb4 Ne6 21. Nc3 Nd6 22. Bf1 Qc7 23. h4 {
Erdos,V (2608)-Lipka,J (2443)/Austria 2012/EXT 2013/1/2-1/2 (38)}) ({RR} 8...
dxc4 9. bxc4 Rb8 10. Nbd2 Qc7 11. Qc2 b6 12. a4 c5 13. a5 Bb7 14. Ra3 Bc6 15.
Bc3 Ng4 16. Bxg7 Kxg7 17. Qc3+ f6 18. Ng5 Qd6 19. Nde4 Bxe4 20. Nxe4 Qe5 21.
axb6 axb6 22. Ra7 Rfd8 23. h3 {Gutierrez,C (2253)-Cruz Pereyra,A (1947)/
Cochabamba 2013/CBM 154 Extra/1-0 (49)}) ({RR} 8... Nh5 9. Bxg7 Nxg7 10. cxd5
cxd5 11. Nc3 Qa5 12. Rc1 e5 13. Qd2 Ne6 14. d4 exd4 15. Nxd4 Nf6 16. Rfd1 Bd7
17. Nxd5 Qxd2 18. Nxf6+ Kg7 19. Nh5+ Kh6 20. Rxd2 Kxh5 21. Bxb7 Rad8 22. Nxe6
Bxe6 23. Rxd8 {Schillinger,K-Jehnichen,G/Germany 1991/GER/1-0 (41)}) 9. Nbd2
Bb7 10. Qc2 Qa5 11. a3 Rac8 12. Bc3 Qc7 13. Qb2 Rfd8 14. Rfc1 Qb6 15. cxd5 cxd5
16. Bd4 Qe6 17. e3 a5 18. b4 a4 19. Bf1 h6 20. Rxc8 Rxc8 21. Rc1 Rxc1 22. Qxc1
Qc6 23. Qxc6 Bxc6 24. Nb1 Ne8 25. Bxg7 Kxg7 26. Nd4 Nb8 27. Nc3 Nc7 28. e4 e5
29. Nxc6 Nxc6 30. exd5 Nd4 31. d6 Nce6 32. Bg2 Nd8 33. f4 exf4 34. gxf4 f6 35.
Kf2 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.13"]
[Round "2"]
[White "Ramirez, Carlos"]
[Black "Zapata, Alonso"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "2324"]
[BlackElo "2454"]
[PlyCount "81"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Nc6 5. a3 a5 6. Qc2 ({RR} 6. Qd5 Nc5 7.
Bg5 Be7 8. Bxe7 Qxe7 9. Nc3 O-O 10. Nb5 Na6 11. e3 Re8 12. Be2 Nxe5 13. Qxe5
Qxe5 14. Nxe5 Rxe5 15. Kd2 d6 16. b4 Bd7 17. Nc3 Bf5 18. g4 Bd7 19. f4 Ree8 20.
Rhb1 c6 {Bauer,C (2576)-Szabolcsi,J (2418)/Paris 2001/CBM 083 ext/1-0 (40)})
6... Nc5 ({RR} 6... d5 7. exd6 Bf5 8. Nc3 Nxd6 9. e4 Bg4 10. c5 Nc8 11. Bg5 f6
12. Rd1 Qe7 13. Nd5 Qf7 14. Bf4 Bxf3 15. gxf3 Ne5 16. Bxe5 fxe5 17. Qc3 Ra7 18.
Qxe5+ Be7 19. Nxc7+ Kf8 20. Ne6+ Ke8 21. Bb5# {Van der Heijden,T (2300)
-Morselli,S (1897)/Arco 2013/CBM 156 Extra/1-0}) 7. Nc3 Be7 $146 ({RR} 7... a4
8. Bf4 Ne6 9. Bg3 Ncd4 10. Nxd4 Nxd4 11. Qe4 Nb3 12. Rd1 Be7 13. e3 Nc5 14. Qc2
b6 15. Nd5 O-O 16. Bd3 Nxd3+ 17. Qxd3 Ra7 18. O-O Ba6 19. Rd2 c6 20. Nb4 Qc8
21. Rc1 Bc5 22. Qc2 {Bleis,C (2267)-Nijman,A/Queenstown 2006/CBM 110 ext/1-0})
({RR} 7... a4 8. Be3 b6 9. g3 Bb7 10. Nd5 Ne7 11. Rd1 c6 12. Nc3 Ng6 13. h4 Qc7
14. Bxc5 Bxc5 15. Nxa4 Be7 16. Bh3 Rd8 17. c5 bxc5 18. Nxc5 Bc8 19. Qc3 O-O 20.
Ne4 f6 21. Qb3+ Kh8 22. Nd6 {Kabai,Z (2134)-Banki Horvath,I (2228)/Hungary
2011/EXT 2012/1/2-1/2 (70)}) 8. Nd5 O-O 9. Bf4 Ne6 10. Bg3 Ncd4 11. Nxd4 Nxd4
12. Qd3 Ne6 13. e3 f6 14. Be2 fxe5 15. Bxe5 d6 16. Bc3 c6 17. Nxe7+ Qxe7 18.
Rd1 Rd8 19. Qe4 Qf7 20. Qh4 Qf8 21. Bd3 h6 22. O-O Nc5 23. Bc2 Bf5 24. e4 Bh7
25. Rfe1 Rd7 26. f4 Qf7 27. f5 Qxc4 28. Qg3 Re8 29. Rxd6 Rde7 30. b4 axb4 31.
axb4 Bxf5 32. Rd4 Qa2 33. Bb1 Qa3 34. bxc5 Qxc5 35. Kh1 Be6 36. Red1 Rf7 37. h3
Ref8 38. Bb4 Rf1+ 39. Kh2 Qh5 40. Bxf8 Rxf8 41. Rd8 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.13"]
[Round "2"]
[White "Gamboa, Nelson"]
[Black "Saladen Dulce, Rafael"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2340"]
[BlackElo "2300"]
[PlyCount "39"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Nf3
c5 9. Be2 ({RR} 9. Bd3 Nc6 10. O-O Bd7 11. Be1 Ng5 12. Rb1 Qc7 13. Nd2 c4 14.
Be2 O-O-O 15. f4 Nh7 16. Nf3 Rdg8 17. Qd2 Ne7 18. Bf2 Bc6 19. Kh1 f5 20. exf6
gxf6 21. Nh4 f5 22. Qe3 Bd7 23. Nf3 Nf6 {Stisis,Y (2391)-Haimovich,T (2304)/
Panormo 2001/CBM 084 ext/1-0 (87)}) ({RR} 9. Bd3 Nc6 10. Qe2 Nxd2 11. Qxd2 Qa5
12. a4 Bd7 13. Bb5 Nxe5 14. Bxd7+ Nxd7 15. O-O O-O 16. Rfb1 Qc7 17. a5 b6 18.
Rb5 Qc6 19. Qe2 a6 20. Rb2 b5 21. Rba2 Rac8 22. h3 Qd6 23. Rc1 Rc7 {Otradovec,
L (1895)-Kupka,F (2067)/Czechia 2011/EXT 2012/0-1 (31)}) 9... b6 $146 ({RR}
9... Bd7 10. c4 dxc4 11. Bxc4 Bc6 12. dxc5 Nxd2 13. Qxd2 Qxd2+ 14. Nxd2 Nd7 15.
f4 g5 16. O-O O-O-O 17. Bd3 gxf4 18. Nc4 Rhg8 19. Nd6+ Kc7 20. Be4 Bxe4 21.
Nxe4 Nxe5 22. Rxf4 Rd4 23. Raf1 Kc6 24. Nd6 {Goryachkin,A (2124)-Khantuev,A
(2335)/Irkutsk 2010/CBM 136 Extra/0-1 (46)}) ({RR} 9... Nc6 10. O-O Nxd2 11.
Qxd2 Qa5 12. Rfd1 b6 13. Qe3 O-O 14. h4 Ba6 15. Bxa6 Qxa6 16. dxc5 bxc5 17.
Qxc5 Rfc8 18. Qe3 Rab8 19. Qd3 Qa5 20. a4 Ne7 21. Ra3 Rc4 22. Qe3 Nf5 23. Qc1
Nxh4 24. Nxh4 {Pardo Robles,J (1941)-Cano Cabanillas,J/Madrid 2008/CBM 127
Extra/1-0}) 10. O-O Ba6 11. Be1 Bxe2 12. Qxe2 Nc6 13. Kh1 Rc8 14. Rd1 Na5 15.
Rd3 Qc7 16. Nd2 Nxd2 17. Bxd2 Nc4 18. Bc1 Na5 19. Bd2 Nc4 20. Bc1 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.13"]
[Round "2"]
[White "Cuartas, Jaime Alexander"]
[Black "Barrios, Felix"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2365"]
[BlackElo "2225"]
[PlyCount "76"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nd2 Qc7 7. Bd3 Nf6 8.
O-O d5 9. f4 Bc5+ 10. Kh1 dxe4 11. Nxe4 Nxe4 12. Bxe4 Ba6 13. Qf3 O-O 14. Re1
f5 $146 ({RR} 14... Qb6 15. b3 Rad8 16. Be3 Bxe3 17. Rxe3 Rd6 18. Rae1 g6 19.
h4 Qd8 20. Qg3 c5 21. Rc3 Qa5 22. Rce3 Rfd8 23. f5 exf5 24. Bxf5 c4 25. Re5 Rd5
26. h5 Rxe5 27. Rxe5 Qd2 28. hxg6 Qh6+ 29. Bh3 {Kozakov,M (2426)-Mikhaletz,L
(2513)/Alushta 2000/CBM 075 ext/1/2-1/2 (54)}) ({RR} 14... Qb6 15. Bd2 Rad8 16.
Bc3 Bd4 17. Rad1 c5 18. f5 exf5 19. Qxf5 g6 20. Qf3 Bxc3 21. Qxc3 Rfe8 22. Bd5
Bb7 {1/2-1/2 (22) Filipowicz,A (2400)-Van der Wiel,J (2550)/Rotterdam 1987/EXT
1997}) 15. Bxc6 Rac8 16. Rxe6 Bc4 17. Bd5 Bxd5 18. Qxd5 Qf7 19. Re5 Rfd8 20.
Qf3 Qb7 21. Qf1 Qa6 22. Re1 Qb6 23. c3 Rc7 24. b3 Rcd7 25. Bb2 Rd2 26. Re2 Qb7
27. Rae1 Bf8 28. Bc1 R2d3 29. Re3 R3d7 30. Qc4+ Kh8 31. Qe6 h6 32. Qxf5 Rd1 33.
Qc2 R1d7 34. Re8 Qc8 35. Rxd8 Qxd8 36. Be3 Bd6 37. Bd4 Bxf4 38. Qg6 Re7 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.13"]
[Round "2"]
[White "Corradine, Jorge"]
[Black "Mosquera, Miguel"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2154"]
[BlackElo "2315"]
[PlyCount "25"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 a5 6. Bb5+ c6 7. Bd3 dxe5 8. Nxe5
N8d7 ({RR} 8... g6 9. O-O Bg7 10. c3 O-O 11. Re1 Be6 12. Nd2 N8d7 13. Ndf3 Nxe5
14. Nxe5 Nd7 15. Nf3 Bg4 16. Bg5 Bf6 17. Bh6 Bg7 18. Bf4 Re8 19. Bc4 e6 20. h3
Bxf3 21. Qxf3 Nb6 22. Bd3 Nd5 23. Bg3 {Kovalev,A (2538)-Konopka,M (2489)/
Czechia 2006/EXT 2007/1-0 (55)}) ({RR} 8... Be6 9. c3 g6 10. O-O N8d7 11. Qe2
Bg7 12. f4 Nxe5 13. fxe5 O-O 14. Nd2 c5 15. Nf3 Bg4 16. Be3 Nd5 17. h3 cxd4 18.
cxd4 Bd7 19. Nd2 Bc6 20. Bc4 Qb6 21. Bxd5 Bxd5 22. b3 Rac8 23. Rfc1 {Kucera,J
(2017)-Bednar,M (2257)/Liberec 2011/EXT 2012/0-1 (47)}) 9. O-O $146 ({RR} 9.
Nf3 Nf6 10. h3 g6 11. O-O Bg7 12. Re1 O-O 13. c3 Nbd5 14. Bg5 h6 15. Bd2 Qc7
16. Qc1 Kh7 17. Na3 b6 18. Nc4 Ba6 19. Nfe5 Nd7 20. Be4 Nxe5 21. Nxe5 e6 22. h4
h5 23. c4 Ne7 {Sax,G (2525)-Hetey,L (2410)/Pardubice 1996/CBM 055 ext/1-0 (40)}
) ({RR} 9. Nf3 g6 10. O-O Bg7 11. Re1 O-O 12. Bg5 Bf6 13. Bxf6 Nxf6 14. h3 Nbd5
15. Na3 b6 16. Qd2 Qc7 17. Qh6 Ba6 18. Bxa6 Rxa6 19. Ng5 Rc8 20. Nc4 {1-0 (20)
Nijboer,F (2475)-Timmer,R (2325)/Netherlands 1996/EXT 2001}) 9... Nxe5 10. dxe5
g6 11. Re1 Bg7 12. Nc3 O-O 13. Qe2 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.13"]
[Round "2"]
[White "Clavijo, Jorge Mario"]
[Black "Garavito, Miguel Angel"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2388"]
[PlyCount "91"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 7. O-O Bb7 8. a3
Bxc3 9. bxc3 Nbd7 10. cxd5 exd5 ({RR} 10... Bxd5 11. Nd2 e5 12. e4 Bb7 13. Re1
Re8 14. Nf3 h6 15. Qc2 Qc8 16. Bb2 c5 17. Nxe5 Nxe5 18. dxe5 Rxe5 19. c4 Re6
20. e5 Qc6 21. f4 Rae8 22. Re2 Nd7 23. Be4 Qc7 24. Bd5 R6e7 25. Rae1 {Warner,D
(2204)-Chancerel,D (1831)/Schoelcher 2013/CBM 153 Extra/1-0 (40)}) 11. Bb2 ({
RR} 11. a4 c5 12. Nd2 Re8 13. Re1 Qc7 14. f3 Rad8 15. Nf1 Nf8 16. Ra2 Qc8 17.
Ng3 Ba6 18. Bb1 Ng6 19. Rf2 cxd4 20. cxd4 Qc3 21. Nf5 Bc4 22. Bc2 Ne7 23. Bd2
Qb2 24. g4 Nxf5 25. gxf5 Rc8 {Ivanchuk,V (2720)-Kamsky,G (2655)/Tilburg 1992/
CBM 032/1-0 (48)}) 11... Qe7 $146 ({RR} 11... c5 12. c4 Rc8 13. Rc1 cxd4 14.
Bxd4 Qe7 15. Bb2 Rfd8 16. cxd5 Rxc1 17. Qxc1 Bxd5 18. Qc7 Ne8 19. Qf4 Nc5 20.
Bb1 Ne6 21. Qg3 Nd6 22. Ne5 f6 23. Ng4 Kh8 24. Qh4 Ng5 25. Nxf6 Ndf7 26. Qb4 {
Suvalic-Krstev,K/Zagreb 1961/MCD/1/2-1/2 (58)}) 12. c4 Rfd8 13. Qe2 c5 14. cxd5
Nxd5 15. Rfd1 Rac8 16. Rac1 Rc7 17. Bb1 Nf8 18. dxc5 Nf4 19. Qf1 Nh3+ 20. Kh1
Rxc5 21. Rxd8 Qxd8 22. Nd4 Rxc1 23. Bxc1 Qh4 24. f3 Ba6 25. Nf5 Nf2+ 26. Kg1
Qa4 27. Qe1 Nd3 28. Bxd3 Bxd3 29. Nxg7 Qb5 30. Qc3 Qc5 31. Qxc5 bxc5 32. Bb2
Nd7 33. e4 Nb6 34. Nh5 Kf8 35. Nf6 h6 36. Nh5 Nc4 37. Bc1 Ke7 38. Nf4 Bc2 39.
Nd5+ Kd6 40. g4 Kc6 41. Ne3 Nxe3 42. Bxe3 Kb5 43. Bxh6 Ka4 44. h4 Kxa3 45. h5
f5 46. Bc1+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.13"]
[Round "2"]
[White "Acosta, Alejandro"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2323"]
[BlackElo "2359"]
[PlyCount "63"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. O-O d6 7. d4 exd4 8. Nxd4
Bb7 9. Bd2 c5 ({RR} 9... Nxb3 10. Nxb3 Nf6 11. Re1 Be7 12. Na5 Rb8 13. Nxb7
Rxb7 14. Qf3 Rb8 15. Nc3 O-O 16. Rad1 Qc8 17. h3 Qb7 18. Nd5 Nxd5 19. exd5 Bf6
20. Bc3 Bxc3 21. Qxc3 Rbe8 {1/2-1/2 (21) Adams,M (2729)-Morozevich,A (2774)/
Yerevan 2008/CBM 124 Extra}) ({RR} 9... Nxb3 10. axb3 Nf6 11. Re1 Be7 12. Nf5
O-O 13. Bg5 h6 14. Bh4 Re8 15. Qf3 Bxe4 16. Rxe4 Nxe4 17. Bxe7 Rxe7 18. Nc3 Re5
19. Nxe4 Qe8 20. Nf6+ {1-0 (20) Polyakov,Y (2241)-Mrykhin,I (2099)/Armavir
2010/CBM 135 Extra}) ({RR} 9... Nxb3 10. Nxb3 Rc8 11. Na5 Ba8 12. c4 Nf6 13.
Qe2 Qd7 14. Nc3 Be7 15. f3 c6 16. a4 b4 17. Nd1 O-O 18. Nf2 d5 19. e5 Qe6 20.
Rfe1 Nd7 21. cxd5 cxd5 22. Nb3 Rc4 23. Nd3 a5 24. Kh1 {Spraggett,K (2585)
-Castro Rojas,O (2390)/Cali 2007/CBM 119 ext/1-0}) 10. Bd5 Bxd5 11. exd5 Ne7
$146 ({RR} 11... cxd4 12. Qe1+ Qe7 13. Bxa5 Qxe1 14. Rxe1+ Ne7 15. Nd2 Kd7 16.
Nb3 d3 17. c3 Nxd5 18. Rad1 Re8 19. Rxe8 Kxe8 20. Rxd3 Nf4 21. Rd1 Ne6 22. Nd4
Nxd4 23. cxd4 g6 24. Rc1 Bg7 25. d5 Bxb2 26. Rc7 {Smyslov,V-Evans,L/Havana
1964/MCD/1/2-1/2}) ({RR} 11... cxd4 12. Qe1+ Qe7 13. Bxa5 Qxe1 14. Rxe1+ Kd7
15. a4 Ne7 16. Rd1 Nxd5 17. Rxd4 Ne7 18. Bc3 Nc6 19. Rf4 b4 20. Bxb4 Nxb4 21.
Rxb4 Rc8 22. Nc3 g6 23. Rd1 Bg7 24. Rb7+ Rc7 25. Rxc7+ Kxc7 26. Nd5+ {Stein,
L-Zuidema,C (2430)/Tel Aviv 1964/MCD/1-0}) 12. Bxa5 Qxa5 13. Nc6 Nxc6 14. dxc6
Qc7 15. Re1+ Be7 16. Nc3 Qxc6 17. Nd5 Ra7 18. Qg4 Kf8 19. Rxe7 Rxe7 20. Nxe7
Kxe7 21. Qxg7 Re8 22. Qxh7 Qd5 23. Qd3 Qxd3 24. cxd3 Kf6 25. Kf1 Rh8 26. h3 Rh4
27. Ke2 a5 28. Kd2 Rd4 29. Kc2 d5 30. g3 c4 31. Rd1 b4 32. b3 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.14"]
[Round "3"]
[White "Zapata, Alonso"]
[Black "Corradine, Jorge"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2454"]
[BlackElo "2154"]
[PlyCount "105"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 Nbd7 8. Nc3
b6 9. b3 ({RR} 9. Qe2 g6 10. Nf3 Qc7 11. Rd1 Bb7 12. Bf4 Nh5 13. Be3 Bg7 14.
Qd2 Rd8 15. Bc2 Nc5 16. Bg5 Nf6 17. Qf4 Qe7 18. e5 dxe5 19. Rxd8+ Qxd8 20. Nxe5
h6 21. Rd1 Bd5 22. Bxf6 Qxf6 23. Qxf6 Bxf6 {Stefansson,H (2568)-Meijers,V
(2483)/Differdange 2007/CBM 119 ext/1/2-1/2 (115)}) ({RR} 9. f4 Bb7 10. f5 e5
11. Nc2 Be7 12. Nd5 Nc5 13. b4 Ncxe4 14. Qe1 Qc8 15. Bxe4 Bxd5 16. Bxd5 Nxd5
17. cxd5 Qxc2 18. Be3 Bf6 19. Bxb6 O-O 20. Qe3 Rfc8 21. a4 Qc4 22. Qd2 e4 23.
Rab1 Bc3 {Umudova,N (2210)-Fernandez Cardoso,A (2427)/Barbera del Valles 2012/
CBM 149 Extra/0-1 (63)}) 9... Bb7 10. Bb2 Be7 $146 ({RR} 10... g6 11. f4 Bg7
12. Nf3 O-O 13. Kh1 Qc7 14. Qe2 Rae8 15. Rae1 Qb8 16. Bb1 Nh5 17. Ng5 h6 18.
Nh3 Bc6 19. Qd2 Rd8 20. Qe2 Rfe8 21. Qf2 f5 22. exf5 gxf5 23. Re2 Qb7 24. Rfe1
Nf8 25. Qh4 {Ascic,I (2005)-Hulak,K (2509)/Sibenik 2010/CBM 136 Extra/0-1 (58)}
) 11. Rc1 O-O 12. Bb1 Rc8 13. Qf3 Rc5 14. Qe2 Qa8 15. Rfe1 Re8 16. a3 Bf8 17.
b4 Rcc8 18. Ba2 g6 19. Rcd1 Qb8 20. Nf3 Rcd8 21. Bb3 Qc7 22. h3 Nh5 23. Qe3 Ba8
24. Nb1 Bg7 25. Bxg7 Nxg7 26. Qg5 f6 27. Qe3 Re7 28. Nd4 Kh8 29. Nd2 g5 30. h4
gxh4 31. Qh6 e5 32. N4f3 Ne6 33. Nxh4 Rg7 34. c5 Nf4 35. cxd6 Qc3 36. Re3 Qb2
37. Nc4 Qxb3 38. Rxb3 Bxe4 39. Ne3 Rdg8 40. g3 Rg5 41. Kf1 Rh5 42. Qxh5 Nxh5
43. Rc3 Ng7 44. Rc7 Rd8 45. Rdc1 Bd3+ 46. Ke1 Ne6 47. Rc8 Rxc8 48. Rxc8+ Nef8
49. a4 Kg8 50. Kd2 e4 51. Re8 a5 52. bxa5 bxa5 53. Nhf5 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.14"]
[Round "3"]
[White "Saladen Dulce, Rafael"]
[Black "Acosta, Alejandro"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "2300"]
[BlackElo "2323"]
[PlyCount "32"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. Be3 Nf6 8.
O-O Be7 9. f4 d6 10. a4 O-O 11. Nb3 b6 12. Bf3 Rb8 13. Qe2 Re8 14. Kh1 Bf8 ({RR
} 14... Na5 15. Nd2 d5 16. exd5 exd5 17. Qf2 Bc5 18. Bxc5 Qxc5 19. Rae1 Rxe1
20. Qxe1 Bb7 21. Qf2 Qb4 22. Nd1 Qxf4 23. Qe3 Qc7 24. b4 Nc6 25. c3 Re8 26. Qf2
Ne5 27. Qd4 h5 28. Re1 Re6 29. Rf1 {Smyslov,V (2565)-Kalegin,E (2475)/Elista
1995/CBM 050/0-1 (47)}) ({RR} 14... Bb7 15. Rad1 Nd7 16. Qf2 Nc5 17. h3 Ba8 18.
Nd4 Nxd4 19. Bxd4 e5 20. Be3 exf4 21. Bxf4 Bf8 22. Rfe1 Rbd8 23. Bg3 Re6 24.
Qd4 Ree8 25. Qc4 Qd7 26. Qd4 Be7 27. Bg4 Qc7 28. Qc4 Bf6 29. b4 {Kovanova,B
(2371)-Ziaziulkina,N (2321)/Belgrade 2013/CBM 155 Extra/1/2-1/2 (57)}) 15. Rad1
Nb4 16. Qf2 $146 ({RR} 16. Bc1 e5 17. fxe5 dxe5 18. Bg5 Be6 19. Qf2 Nd7 20. Rd2
Rbc8 21. Nc1 f6 22. Be3 Bc5 23. Bxc5 Qxc5 24. Qg3 Red8 25. Rfd1 Qe7 26. Nd3
Nxd3 27. Rxd3 Nc5 28. Rxd8+ Rxd8 29. Qe1 Rxd1 30. Qxd1 Qd7 {Markovic,G (2160)
-Alexandria,N (2370)/Jajce 1984/MCD/1/2-1/2 (68)}) 16... e5 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.14"]
[Round "3"]
[White "Mosquera, Miguel"]
[Black "Cuartas, Jaime Alexander"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2315"]
[BlackElo "2365"]
[PlyCount "199"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 e5 6. Nxb7 Qb6 7. Nc5 exd4 8.
Nb3 c5 ({RR} 8... Bb4+ 9. Bd2 Nf6 10. Bxb4 Qxb4+ 11. Qd2 Qe7+ 12. Qe2 Bxc2 13.
Qxe7+ Kxe7 14. Nxd4 Bg6 15. Rc1 Re8 16. Bc4 Nbd7 17. Nge2 Ne5 18. Ba6 Bd3 19.
f4 Bxa6 20. fxe5 Ng4 21. e6 Ne5 22. Nxc6+ Kxe6 23. Nxe5 {Wang Hao (2742)
-Mamedyarov,S (2729)/London 2012/CBM 151/1/2-1/2 (32)}) 9. Bd3 Be6 $146 ({RR}
9... Bxd3 10. cxd3 Nf6 11. Ne2 Bd6 12. O-O O-O 13. Nd2 Qc7 14. Ng3 Nc6 15. Nc4
Ne5 16. Nxe5 Bxe5 17. Qf3 c4 18. dxc4 Qxc4 19. Re1 Rfe8 20. Bg5 Qd5 21. Qxd5 {
1/2-1/2 (21) Givon,A (2340)-Bures,J (2392)/Olomouc 2012/CBM 149 Extra}) ({RR}
9... Bxd3 10. cxd3 Nc6 11. Nf3 Be7 12. O-O Nf6 13. Nfd2 O-O 14. Nc4 Qa6 15. Bg5
Nb4 16. Re1 Rfe8 17. a3 Nbd5 18. Qf3 Bf8 19. Nbd2 Qa4 20. h3 Rab8 21. Bh4 h6
22. Kh2 Rbc8 23. Bg3 Rcd8 24. Ne5 {Gvetadze,S (2339)-Batsiashvili,N (2390)/
Tbilisi 2013/CBM 154 Extra/1/2-1/2 (37)}) 10. Nf3 Nf6 11. Qe2 Be7 12. O-O Nc6
13. Bc4 Bxc4 14. Qxc4 Qb4 15. Qa6 Qb6 16. Qc4 Qb4 17. Qa6 Qb6 18. Qa4 O-O 19.
Bg5 Rac8 20. Rfe1 h6 21. Bxf6 Bxf6 22. Qc4 Na5 23. Nxa5 Qxa5 24. Ne5 Bxe5 25.
Rxe5 Rfe8 26. Rxe8+ Rxe8 27. c3 Qb6 28. b3 Qd6 29. cxd4 cxd4 30. Qd3 Qb4 31.
Kf1 a5 32. Rd1 a4 33. Qc4 Rb8 34. Rxd4 Qxc4+ 35. bxc4 Rb2 36. c5 Rxa2 37. Rc4
a3 38. c6 Ra1+ 39. Ke2 a2 40. c7 Re1+ 41. Kf3 a1=Q 42. c8=Q+ Kh7 43. Qf5+ g6
44. Qxf7+ Qg7 45. Rc7 Qxf7+ 46. Rxf7+ Kg8 47. Rd7 Re5 48. h4 Kh8 49. g4 Kg8 50.
Kf4 Ra5 51. f3 Rb5 52. Ke4 Ra5 53. Rd5 Ra7 54. h5 gxh5 55. Rxh5 Kg7 56. Rd5
Re7+ 57. Kf4 Rb7 58. Rd6 Rb5 59. Re6 Ra5 60. Re5 Ra7 61. Kf5 Rf7+ 62. Ke4 Ra7
63. Rd5 Re7+ 64. Kf4 Rb7 65. Kg3 Rb3 66. Rd6 Ra3 67. Kf4 Ra5 68. Re6 Rb5 69.
Re5 Rb7 70. Kf5 Rf7+ 71. Ke4 Ra7 72. f4 Kf6 73. Rf5+ Kg6 74. Rd5 Re7+ 75. Kf3
Ra7 76. Rd6+ Kg7 77. Kg3 Ra3+ 78. Kh4 Ra1 79. Rd7+ Kf6 80. Rd5 Rh1+ 81. Kg3
Rg1+ 82. Kf3 Rf1+ 83. Ke3 Rg1 84. Rd6+ Kg7 85. Kf3 Rb1 86. Ke4 Rb4+ 87. Ke5 Rb7
88. Ke6 Kg6 89. Rd7 Rb6+ 90. Ke5 Rb5+ 91. Rd5 Rb7 92. Ke6 Rb4 93. Ke5 Rb7 94.
Rd6+ Kg7 95. f5 Rb4 96. Rd7+ Kg8 97. Rd4 Rb5+ 98. Ke6 Rb6+ 99. Rd6 Rb4 100.
Rd8+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.14"]
[Round "3"]
[White "Garavito, Miguel Angel"]
[Black "Gamboa, Nelson"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "2340"]
[PlyCount "68"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. a4 Nc6 7. a5 a6 ({RR}
7... d5 8. Nbd2 Bf5 9. Nb3 Qc8 10. Ne5 Nb4 11. c3 Na6 12. Re1 Rd8 13. Be3 Ne4
14. Nd3 c6 15. f3 Nd6 16. Bf2 Bxd3 17. Qxd3 e5 18. dxe5 Bxe5 19. f4 Bg7 20. e4
dxe4 21. Bxe4 Qe6 22. Qc2 {Romanishin,O (2575)-Jobava,B (2556)/Leon 2001/CBM
086/1/2-1/2 (52)}) 8. Nbd2 $146 ({RR} 8. d5 Na7 9. Nd4 e5 10. dxe6 fxe6 11. c4
e5 12. Nc2 c6 13. Bg5 Be6 14. Ne3 Qc7 15. Bxf6 Bxf6 16. Nc3 Bg5 17. Qd3 Bxe3
18. fxe3 Rxf1+ 19. Rxf1 Rf8 20. Rxf8+ Kxf8 21. Ne4 Nc8 22. Qc3 c5 {Kengis,E
(2555)-Sieglen,J (2365)/Bonn 1993/CBM 034/1/2-1/2 (45)}) ({RR} 8. d5 Na7 9. c4
c6 10. Be3 cxd5 11. cxd5 Nb5 12. Qb3 Bf5 13. Nd4 Nxd4 14. Bxd4 Bxb1 15. Raxb1
Qd7 16. h3 Rfc8 17. Rfc1 Rxc1+ 18. Rxc1 Rc8 19. Rc4 Rxc4 20. Qxc4 Ne8 21. Bxg7
Kxg7 22. e4 Qc7 {Radusinovic,L (2306)-Zlatanovic,B (2408)/Kragujevac 2013/CBM
156 Extra/1/2-1/2 (58)}) ({RR} 8. d5 Nb8 9. c4 c6 10. Nc3 e6 11. e4 exd5 12.
cxd5 Re8 13. Nd2 cxd5 14. exd5 Qc7 15. Qb3 Bf5 16. Nc4 Nbd7 17. Bf4 Bf8 18. Na4
Ne4 19. Nab6 Rad8 20. Qa3 Nxb6 21. Nxb6 Nf6 22. Rac1 Qe7 {Rubinetti,J (2450)
-Garcia Toledo,J/Sao Paulo 1993/CBM 036/1-0 (40)}) 8... e5 9. dxe5 dxe5 10. Nc4
Qe7 11. c3 Rd8 12. Qb3 h6 13. Be3 Nd5 14. Rfd1 Nxe3 15. Nxe3 Rxd1+ 16. Rxd1 Rb8
17. Nd5 Qc5 18. Nxc7 e4 19. Nh4 Nxa5 20. Rd8+ Bf8 21. Qa4 Nc6 22. Re8 Bd7 23.
Rxe4 Qd6 24. Nxg6 Qxg6 25. Nd5 Qd6 26. Rf4 Bg7 27. Qd1 Kf8 28. e4 Ne5 29. Qh5
Ng6 30. Rf3 Re8 31. Rd3 Ne5 32. Rd2 Bg4 33. Qh4 Nf3+ 34. Bxf3 Bxf3 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.14"]
[Round "3"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2359"]
[BlackElo "2324"]
[PlyCount "89"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 d5 6. O-O O-O 7. b3 Ne4 8. Bb2
Nd7 9. Nbd2 Nxd2 10. Qxd2 ({RR} 10. Nxd2 Nf6 11. Rc1 a5 12. cxd5 Nxd5 13. Nc4
Nb6 14. a4 Be6 15. e3 Bd5 16. Nxb6 Qxb6 17. Bxd5 cxd5 18. Ba3 Rfc8 19. Rxc8+
Rxc8 20. Bxe7 Rc3 21. Bc5 Qxb3 22. Qg4 h5 23. Qc8+ Kh7 24. Qd7 b6 {Shimanov,A
(2640)-Gupta,A (2612)/Moscow 2013/CBM 152 Extra/1-0 (39)}) 10... Nf6 11. Rac1
Bf5 $146 ({RR} 11... Ne4 12. Qe3 Be6 13. Rfd1 a5 14. Ne5 Nd6 15. a4 Nf5 16. Qc3
c5 17. cxd5 cxd4 18. Qf3 Qxd5 19. Qxd5 Bxd5 20. Bxd5 Bxe5 21. e4 Nd6 22. f4 Bg7
23. e5 Nf5 24. Bxb7 Rab8 25. Rc7 h5 26. b4 {Jansa,V (2513)-Vedder,R (2267)/
Aix-les-Bains 2011/CBM 142/1-0 (33)}) 12. cxd5 cxd5 13. Qb4 Rb8 14. Ne5 Re8 15.
a4 Bf8 16. a5 Qd6 17. Qa4 Rec8 18. Ba3 Qa6 19. e3 Rxc1 20. Rxc1 Rc8 21. Rxc8
Bxc8 22. Bc5 Qe2 23. Qa1 Ne4 24. Qf1 Qxf1+ 25. Bxf1 Nxc5 26. dxc5 f6 27. Nd3 e5
28. b4 Bf5 29. Nb2 Kf7 30. f3 Ke7 31. a6 bxa6 32. Bxa6 Kd7 33. Kf2 Kc7 34. Ke2
h5 35. Na4 g5 36. Nc3 Kc6 37. Bb5+ Kb7 38. Nxd5 e4 39. fxe4 Bg4+ 40. Kd3 a6 41.
Be8 h4 42. Nxf6 hxg3 43. hxg3 Be6 44. Bd7 Bf7 45. e5 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.14"]
[Round "3"]
[White "Barrios, Felix"]
[Black "Clavijo, Jorge Mario"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2225"]
[BlackElo "2388"]
[PlyCount "41"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8.
Be2 Nbd7 9. Bf3 Nb6 10. Nge2 Bg4 11. Bxg4 Nxg4 12. a4 a5 13. h3 Nf6 14. Nf4 Qd6
15. O-O Rfd8 16. Rd1 $146 ({RR} 16. Be3 Nbxd5 17. Nfxd5 Nxd5 18. Qxb7 Rab8 19.
Qxd5 Qxd5 20. Nxd5 Rxd5 21. Rfd1 Rxb2 22. Rac1 f5 23. Rc5 e6 24. Rc8+ Kf7 25.
Rc7+ Kg8 26. Rdc1 Bxd4 27. Bxd4 Rxd4 28. Ra7 Rb8 29. Rcc7 Rxa4 30. Rg7+ Kh8 {
Neelakantan,N (2295)-Arpi,S (2035)/Kolkata 1996/CBM 050 ext/1-0 (54)}) 16...
Nfxd5 17. Nfxd5 Nxd5 18. Qxb7 Rab8 19. Qa7 Ra8 20. Qb7 Rab8 21. Qa7 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.15"]
[Round "4"]
[White "Zapata, Alonso"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2454"]
[BlackElo "2359"]
[PlyCount "85"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Bb5 c6 6. Qxd4 Qa5+ 7. c3 Nxf2 8.
O-O ({RR} 8. Qxf2 Qxb5 9. a4 Qd5 10. Be3 Be7 11. O-O O-O 12. Na3 b6 13. Nc2 c5
14. Bf4 Qe6 15. Ne3 Bb7 16. c4 Na6 17. Rad1 Nb4 18. Qd2 Bc6 19. b3 Rac8 20. h3
Qg6 21. Rf2 Rfe8 22. Nd5 h6 {Krca,M (2108)-Kanos,J (1990)/Tatranske Zruby 2009/
EXT 2011/1-0 (60)}) 8... Nh3+ 9. gxh3 Qxb5 10. Qf4 $146 ({RR} 10. Kg2 d5 11.
Ng5 Be7 12. Na3 Qe2+ 13. Rf2 Qh5 14. e6 f6 15. Bf4 O-O 16. Raf1 Na6 17. b4 fxg5
{0-1 (17) Lacasa Diaz,J (2340)-Rubio,J (2270)/Spain 1995/EXT 2000}) 10... Qd3
11. Nd4 Qg6+ 12. Kh1 d5 13. Nd2 Bxh3 14. Rg1 Qh6 15. Qg3 Qh5 16. N2f3 c5 17.
Nb5 Na6 18. Bf4 Bf5 19. Nd2 Bd7 20. a4 Bc6 21. Rge1 Qg6 22. Nd6+ Kd7 23. Nxf7
Qxg3 24. e6+ Ke8 25. Bxg3 Rg8 26. Kg1 Be7 27. Rf1 Bf6 28. Rae1 d4 29. Nc4 Ke7
30. Bd6+ Ke8 31. Bg3 Ke7 32. Ncd6 dxc3 33. Nf5+ Ke8 34. N7d6+ Kd8 35. Nf7+ Ke8
36. bxc3 Bxc3 37. N7d6+ Kd8 38. Rd1 g6 39. Nxb7+ Kc8 40. Nbd6+ Kc7 41. Nc4+ Kc8
42. Nfd6+ Kd8 43. Rf7 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.15"]
[Round "4"]
[White "Ramirez, Carlos"]
[Black "Saladen Dulce, Rafael"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2324"]
[BlackElo "2300"]
[PlyCount "94"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b5 5. cxb5 c6 6. e3 Bb7 7. f3 $146 ({RR}
7. bxc6 Nxc6 8. Nf3 Rc8 9. Bd2 Bxc3 10. Bxc3 Qc7 11. Be2 h5 12. Qa4 Ne4 13. Rc1
Qb8 14. Bd3 Nf6 15. Qa3 a5 16. O-O Qa8 17. Nd2 Ne7 18. Qxa5 Qb8 19. Qe5 d6 20.
Qb5+ Kf8 21. Bb4 Rd8 {Djukanovic,S (2317)-Ratkovic,M (2190)/Cetinje 2012/CBM
149 Extra/1-0 (42)}) 7... Qb6 8. a3 Bxc3+ 9. bxc3 cxb5 10. Rb1 a6 11. a4 Bc6
12. Ba3 Qc7 13. e4 d6 14. Bd3 Nbd7 15. Ne2 Nb6 16. O-O Nxa4 17. c4 Bd7 18. Rfc1
Rc8 19. Qd2 Qb6 20. e5 dxe5 21. Qb4 Qd8 22. dxe5 a5 23. Qd2 b4 24. exf6 bxa3
25. fxg7 Rg8 26. Qh6 a2 27. Ra1 Qb6+ 28. Kh1 Qb2 29. Qxh7 Rxg7 30. Qh4 Nc5 31.
Bc2 Rg8 32. Qd4 Qa3 33. Nc3 a4 34. Rd1 Bc6 35. Rxa2 Qb4 36. Be4 Bxe4 37. Nxe4
Nxe4 38. Qd7+ Kf8 39. Qxc8+ Kg7 40. Qd7 Nc3 41. Raa1 Nxd1 42. Qxd1 Ra8 43. Qd4+
Kg8 44. h3 a3 45. Qg4+ Kf8 46. Qh4 Qb2 47. Qh6+ Ke8 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.15"]
[Round "4"]
[White "Gamboa, Nelson"]
[Black "Barrios, Felix"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2340"]
[BlackElo "2225"]
[PlyCount "83"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. g3 d5 5. Bg2 d4 6. Ne2 d3 $146 ({RR} 6... e5
7. d3 Bd6 8. O-O Nge7 9. Nd2 O-O 10. f4 exf4 11. Nxf4 Ne5 12. Nf3 Bg4 13. h3
Nxf3+ 14. Bxf3 Bd7 15. Bg2 a5 16. Bd2 Ra6 17. Qh5 Qc7 18. e5 Bxe5 19. Rae1 Bf6
20. g4 g6 21. Nd5 {Bartel,M (2635)-Svidler,P (2747)/Germany 2013/CBM 153/1/2-1/
2 (38)}) ({RR} 6... g6 7. d3 Bg7 8. O-O Nge7 9. Nh4 e5 10. f4 Qd6 11. a3 a5 12.
a4 f6 13. Kh1 Be6 14. b3 Qd7 15. Bd2 O-O 16. fxe5 fxe5 17. Ng1 Nb4 18. Bg5 Rxf1
19. Bxf1 Nc8 20. Bd2 Nd6 21. Nhf3 {Spassky,B-Kortschnoj,V/Kiev 1968/Candidates/
1/2-1/2 (37)}) 7. cxd3 Qxd3 8. O-O Nge7 9. Ne1 Qd8 10. b3 e5 11. Bb2 f6 12. f4
Ng6 13. f5 Nge7 14. a3 g6 15. fxg6 hxg6 16. Rxf6 Bg7 17. Rf2 Bg4 18. Bf3 Be6
19. b4 cxb4 20. axb4 Qb6 21. d4 exd4 22. Nf4 Bf7 23. Ned3 O-O 24. Qa4 a6 25.
Bg4 Bc4 26. Rc1 Qb5 27. Qd1 Kh7 28. Be2 Bxd3 29. Bxd3 Qxb4 30. Rc4 Qd6 31. Qc1
b5 32. Ba3 b4 33. Bb2 Rac8 34. Rfc2 Ne5 35. Rxc8 Nxc8 36. Rxc8 Rxf4 37. Qxf4
Qd7 38. Qh4+ Bh6 39. Rd8 Qf7 40. Bxd4 Nf3+ 41. Kh1 Nxh4 42. Rh8# 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.15"]
[Round "4"]
[White "Corradine, Jorge"]
[Black "Cuartas, Jaime Alexander"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "2154"]
[BlackElo "2365"]
[PlyCount "90"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e6 7. N1f3 Bd6 8.
Qe2 h6 9. Ne4 Nxe4 10. Bxe4 Nf6 11. Bd3 Qc7 12. Bd2 b6 13. O-O-O Bb7 14. c4 ({
RR} 14. h3 O-O-O 15. Rhe1 Bf4 16. c3 Bxd2+ 17. Rxd2 Nd5 18. Ba6 Nf4 19. Bxb7+
Kxb7 20. Qf1 Rhe8 21. g3 {1/2-1/2 (21) Sjol,H (1849)-Nielsen,B (2067)/
Copenhagen 2010/CBM 137 Extra}) 14... O-O-O ({RR} 14... Bf4 15. Ne5 Bxd2+ 16.
Rxd2 O-O-O 17. Qe3 Rhf8 18. f4 c5 19. dxc5 Qxc5 20. Re1 Qxe3 21. Rxe3 {1/2-1/2
(21) Kveinys,A (2495)-Burmakin,V (2590)/Zuerich 2003/CBM 097 ext}) 15. Bc3 Qe7
$146 ({RR} 15... Rhe8 16. Kb1 Nd7 17. Ne5 Nxe5 18. dxe5 Bf8 19. f4 Kb8 20. Be4
{1/2-1/2 (20) Lodes,H (2165)-Hirschberg,V (1998)/Nuremberg 2006/CBM 114 ext}) (
{RR} 15... c5 16. Kb1 Kb8 17. Rhe1 Rhe8 18. Bc2 Ka8 19. dxc5 Bxc5 {1/2-1/2 (19)
Bjornsson,S (2190)-Johansen,T (2270)/Gausdal 1999/CBM 068 ext}) 16. Ne5 Nd7 17.
f4 Nxe5 18. fxe5 Bb4 19. Bxb4 Qxb4 20. a3 Qe7 21. Be4 Rd7 22. Rd3 Rhd8 23. Rhd1
Ba6 24. Qc2 c5 25. dxc5 Rxd3 26. Rxd3 Qxc5 27. Rxd8+ Kxd8 28. Bd3 Bb7 29. Qd1
Ke7 30. Qe1 b5 31. Qa5 Bxg2 32. Qxb5 Qxb5 33. cxb5 f5 34. Kd2 g5 35. a4 h5 36.
Ke3 h4 37. Kf2 Bd5 38. a5 g4 39. Bf1 f4 40. Bg2 g3+ 41. hxg3 hxg3+ 42. Kg1 f3
43. Bxf3 Bxf3 44. b4 Kf7 45. a6 Kg6 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.15"]
[Round "4"]
[White "Clavijo, Jorge Mario"]
[Black "Mosquera, Miguel"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2388"]
[BlackElo "2315"]
[PlyCount "61"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5
Nxc3 9. bxc3 cxb5 10. Ng5 Qd7 11. Qh5 h6 12. Be2 Bb7 13. Bf3 a6 14. Qh3 $146 ({
RR} 14. d5 Bxd5 15. Bxd5 hxg5 16. Qxh8 Qxd5 17. O-O Nd7 18. Ba3 Qxe5 19. Bb4
O-O-O 20. Qh5 Bxb4 21. cxb4 Nb8 22. Qxf7 Rd7 23. Qe8+ Rd8 24. Qh5 Kb7 25. h4
Nc6 26. hxg5 Nxb4 27. Qf7+ Qc7 28. Qxe6 Rh8 {Hug,M-Sehrt,J/Lugano 1989/TD/1-0
(36)}) 14... Nc6 15. O-O Be7 16. Ne4 b4 17. Re1 a5 18. Nf6+ Bxf6 19. exf6 bxc3
20. d5 Nd4 21. dxe6 Nxf3+ 22. Qxf3 fxe6 23. f7+ Qxf7 24. Qxc3 O-O 25. f3 Kh7
26. Bb2 Bd5 27. Rxa5 Rab8 28. Ba3 Rb3 29. Qd4 Rc8 30. Bc1 Rd3 31. Qh4 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.15"]
[Round "4"]
[White "Acosta, Alejandro"]
[Black "Garavito, Miguel Angel"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2323"]
[PlyCount "49"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 O-O 14. Nce3
Be6 15. Bd3 f5 16. O-O Ra7 17. Qh5 e4 ({RR} 17... Raf7 18. Rad1 Ne7 19. Nxe7+
Qxe7 20. Bc2 e4 21. Nd5 Bxd5 22. Rxd5 Kh8 23. f4 b4 24. cxb4 Bxb2 25. Bb3 Ba3
26. Qd1 Qa7+ 27. Qd4+ Qxd4+ 28. Rxd4 Re7 29. Kf2 a5 30. Rxd6 Bxb4 31. Rd5 Kg7
32. Ke2 {Anand,V (2774)-Leko,P (2739)/Dortmund 2003/CBM 097/1/2-1/2 (57)}) ({RR
} 17... Raf7 18. f4 e4 19. Bc2 b4 20. Kh1 bxc3 21. bxc3 Ne7 22. Bb3 Nxd5 23.
Nxd5 Kh8 24. Rad1 Bxd5 25. Bxd5 Rf6 26. Qe2 a5 27. g3 Qc7 28. c4 Rb8 29. Rb1
Rff8 30. Qh5 Qd7 31. g4 e3 32. Rxb8 {Vasiesiu,D (2426)-Zlatariu,M (1828)/Arad
2013/CBM 155 Extra/1-0 (45)}) 18. Bc2 Be5 19. Rad1 $146 ({RR} 19. f4 exf3 20.
Rxf3 f4 21. Qh6 Bxd5 22. Nxd5 Rg7 23. Raf1 Qd7 24. Nxf4 Rf6 25. Ne6 Qxe6 26.
Rxf6 Bxf6 27. Bb3 d5 28. Qxf6 Qxf6 29. Rxf6 Ne7 30. Rxa6 {1-0 (30) Herejk,P
(2197)-Dvorak,M (2001)/Ricany 2008/CBM 126 Extra}) ({RR} 19. f4 Bg7 20. Rad1 a5
21. g4 Ne7 22. Bb3 Nxd5 23. Bxd5 Bxd5 24. Nxd5 fxg4 25. Qxg4 Kh8 26. Kh1 Re8
27. Rfe1 b4 28. Re3 bxc3 29. bxc3 Rb7 30. Rh3 e3 31. Qg6 Bxc3 32. Nxc3 e2 33.
Re1 Re3 {Mas,H (2386)-Myo Zaw Min (2486)/Kuala Lumpur 2008/CBM 126 Extra/1-0
(38)}) 19... Rg7 20. f4 exf3 21. Rxf3 f4 22. Nf5 Bxd5 23. Nxg7 Bxf3 24. Qxh7+
Kf7 25. Qg6+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.16"]
[Round "5"]
[White "Saladen Dulce, Rafael"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2300"]
[BlackElo "2454"]
[PlyCount "81"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Bb4 7. Nde2 Nf6 8.
Bg2 Be7 9. O-O d6 10. b3 ({RR} 10. Kh1 Nbd7 11. a4 Rb8 12. Be3 b6 13. f3 O-O
14. g4 g6 15. Ng3 Ne5 16. g5 Nfd7 17. f4 Nc4 18. Bc1 Re8 19. b3 Na5 20. Bb2 Bf8
21. Qd4 Bg7 22. Qxg7+ Kxg7 23. Nd5+ Kg8 24. Nxc7 Rd8 {Genzling,A (2396)-Trouve,
G (1908)/Wasselonne 2013/CBM 155 Extra/1-0 (32)}) 10... O-O 11. Bb2 Nc6 12. Nf4
Re8 $146 ({RR} 12... b5 13. Qd2 Bb7 14. a4 b4 15. Na2 Rab8 16. Rfe1 a5 17. c4
bxc3 18. Bxc3 Rfc8 19. Rac1 Qb6 20. Rb1 Qa7 21. h3 Nd7 22. Nh5 e5 23. g4 Nc5
24. Ng3 g6 25. Bf1 Ba6 26. Bxa6 Qxa6 27. b4 {Fernandez Murga,R (2260)
-Spangenberg,H (2305)/Buenos Aires 1992/EXT 1998/1/2-1/2 (45)}) 13. Qe2 b5 14.
Rad1 b4 15. Nb1 a5 16. Rfe1 Ba6 17. Qd2 Ne5 18. c4 Nfd7 19. Qe2 Bb7 20. Nd2 Nc5
21. Nf3 a4 22. Nxe5 dxe5 23. Nd3 axb3 24. Bxe5 Qa5 25. Qg4 g6 26. Nxc5 Qxc5 27.
Bd4 Qxc4 28. Bf1 Qc2 29. Qf4 Ra5 30. Rc1 Bg5 31. Rxc2 Bxf4 32. axb3 Bd6 33. f3
Ra3 34. Bc4 Ba6 35. Bxa6 Rxa6 36. Rd1 e5 37. Bf2 f6 38. Rc4 Rb8 39. Kf1 Kf7 40.
Rc2 Rb7 41. g4 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.16"]
[Round "5"]
[White "Mosquera, Miguel"]
[Black "Gamboa, Nelson"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2315"]
[BlackElo "2340"]
[PlyCount "94"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nxc3 8.
dxc3 O-O 9. Bf4 ({RR} 9. Qd5 b6 10. Bf4 Qc7 11. e6 Qxf4 12. exd7 Bxd7 13. Qxd7
Ne5 14. Nxe5 Bxe5 15. g3 Qf6 16. Rad1 Bd6 17. Bc4 a5 18. a4 h5 19. Qc6 Rac8 20.
Qe4 Rfd8 21. Rd3 Qf5 22. Rf3 Qxe4 23. Bxf7+ Kg7 {Jovanovic,Z (2539)-Malakhov,V
(2707)/Mainz 2009/CBM 131 Extra/1/2-1/2 (58)}) 9... Qb6 ({RR} 9... a6 10. Bf1
Qb6 11. Qc1 Nd8 12. h4 Ne6 13. Bh6 Qc7 14. h5 b5 15. hxg6 fxg6 16. a4 Bb7 17.
axb5 axb5 18. Rxa8 Bxa8 19. Nh2 c4 20. Bxg7 Kxg7 21. b3 h5 22. bxc4 bxc4 23.
Qa3 Qc5 24. Qxc5 {Kantans,T (2346)-Guidi,M (2041)/Biella 2013/CBM 156 Extra/
1-0 (58)}) 10. Qd3 a6 11. Bc4 Na5 $146 ({RR} 11... Nd8 12. a4 Ne6 13. Bg3 Qc7
14. a5 b5 15. axb6 Qxb6 16. Bd5 Bb7 17. b3 Bxd5 18. Qxd5 Rfd8 19. Nd2 Nc7 20.
Qf3 Ra7 21. Nc4 Qb7 22. Qxb7 Rxb7 23. Red1 f6 24. exf6 Bxf6 25. Na5 Rb5 26.
Bxc7 {Cuartas,J (2521)-Lluverol Torrents,S (2006)/Sitges 2009/CBM 131 Extra/
1-0 (32)}) 12. Bd5 e6 13. Be4 Qxb2 14. Qd6 Qxc3 15. a4 Nc4 16. Qxc5 d6 17. exd6
f5 18. Bd3 Ne5 19. Qe3 Ng4 20. Qb6 Bd7 21. h3 Qc8 22. Rab1 Bc3 23. Re2 Nf6 24.
Be5 Nd5 25. Qxb7 Bxe5 26. Nxe5 Bxa4 27. Bc4 Nc3 28. Ree1 Nxb1 29. Qxc8 Raxc8
30. Bxe6+ Kg7 31. Bxc8 Rxc8 32. Rxb1 Rxc2 33. Rb7+ Kf6 34. f4 Rd2 35. d7 Ke6
36. Rb6+ Ke7 37. Rxa6 Bxd7 38. Ra7 Ke6 39. Nf3 Rd1+ 40. Kf2 h6 41. Ra6+ Rd6 42.
Rxd6+ Kxd6 43. Ne5 Be8 44. Ke3 Kd5 45. h4 g5 46. hxg5 hxg5 47. Nf3 g4 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.16"]
[Round "5"]
[White "Garavito, Miguel Angel"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "D79"]
[BlackElo "2324"]
[PlyCount "87"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. cxd5 cxd5 8. Nc3
e6 9. Bf4 Nc6 10. Rc1 ({RR} 10. a3 Bd7 11. Nb5 Ne4 12. Nc3 Qb6 13. Na4 Qb5 14.
e3 Nxd4 15. exd4 Qxa4 16. Qxa4 Bxa4 17. Rac1 Rac8 18. Rxc8 Rxc8 19. Rc1 Rxc1+
20. Bxc1 Nd6 21. Bd2 Nb5 22. Be3 Bd1 23. Bf1 Nd6 24. Ne5 Nf5 {Korell,K (1960)
-Poseck,S (2044)/Berlin 2013/CBM 156 Extra/0-1 (52)}) 10... Bd7 11. b4 $146 ({
RR} 11. Qd3 Qe7 12. Be5 Rfc8 13. Rfd1 Be8 14. Bf4 b5 15. b3 a6 16. Ne5 Qa3 17.
Qd2 Qf8 18. e4 b4 19. Na4 Nxe5 20. dxe5 Nxe4 21. Bxe4 dxe4 22. Rxc8 Rxc8 23.
Qe2 Bb5 24. Qxe4 Rd8 25. Rc1 h6 {Tania,S (2240)-Neelotpal,D (2448)/Abu Dhabi
2004/CBM 103/1-0 (34)}) ({RR} 11. Bd6 Re8 12. Ne5 Qb6 13. Bc5 Qa5 14. Nxc6 Bxc6
15. b4 Qd8 16. b5 b6 17. bxc6 bxc5 18. dxc5 Rc8 19. Qa4 Qc7 20. e4 Qxc6 21.
Qxa7 dxe4 22. Qb6 Qxc5 23. Qxc5 Rxc5 24. Nxe4 Nxe4 25. Bxe4 Rxc1 {Yuffa,D
(2302)-Talla,V (2427)/Pardubice 2011/CBM 143 Extra/1/2-1/2}) 11... Qe7 12. a3
Rfc8 13. Qd3 Be8 14. Rfe1 Qd8 15. h3 Nh5 16. Bg5 f6 17. Bd2 f5 18. Bg5 Qd6 19.
Qd2 Qf8 20. g4 Nf6 21. Bxf6 Bxf6 22. g5 Bg7 23. e3 Qd6 24. Rc2 Nd8 25. Rec1 Nf7
26. Ne2 Rxc2 27. Rxc2 a5 28. bxa5 Qxa3 29. Ra2 Qe7 30. Nf4 Bb5 31. Rb2 Bc6 32.
h4 Nd8 33. Nd3 Qc7 34. Rb6 Bf8 35. Nfe5 Bd6 36. Qc3 Be8 37. Nc5 Bxe5 38. dxe5
Rc8 39. Rd6 Nf7 40. Rxe6 Bd7 41. Re7 Qd8 42. Rxf7 Kxf7 43. Bxd5+ Ke7 44. e6 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.16"]
[Round "5"]
[White "Cuartas, Jaime Alexander"]
[Black "Clavijo, Jorge Mario"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2365"]
[BlackElo "2388"]
[PlyCount "80"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Re8
15. h4 h6 16. g4 Nf4 ({RR} 16... a5 17. g5 h5 18. a4 Qc7 19. Bc4 Red8 20. Qf2
Qb7 21. b3 Nf4 22. Bxe6 Nxe6 23. Rxd8+ Rxd8 24. Bb6 Ra8 25. Rd1 Nd4 26. Bc5 Qd7
27. Nf6+ Bxf6 28. gxf6 Qd5 29. Bxd4 exd4 30. Qxd4 Qxf3 31. Qe5 {Almasi,Z (2590)
-Watson,W (2550)/Germany 1995/GER-chT/1-0 (34)}) ({RR} 16... Qb8 17. g5 h5 18.
Bc4 Nf4 19. Bxe6 Nxe6 20. Qe3 Qb5 21. Rd7 Reb8 22. Ba3 Qa4 23. Rhd1 c5 24. Nf6+
Bxf6 25. gxf6 Qxh4 26. Qxe5 Re8 27. Rxf7 {1-0 (27) Navarrete Espi,S (2169)
-Perez Manas,B (2298)/Mislata 2011/CBM 143 Extra}) 17. g5 Qxd2+ 18. Rxd2 Bd5
$146 ({RR} 18... Red8 19. Rhh2 Bd5 20. a3 a5 21. a4 hxg5 22. hxg5 Bxe4 23.
Rxd8+ Rxd8 24. fxe4 Ne6 25. Be3 Bf8 26. Bc4 Nc5 27. Rf2 Nxe4 28. Rxf7 Nd6 29.
Rf4+ Kg7 30. Rg4 Nf5 31. Bd2 Bb4 32. Bxb4 axb4 33. Bd3 {Kharitonov,A (2185)
-Kroeger,F (2185)/Germany 1999/EXT 2000/1-0 (47)}) 19. Ba6 Ne6 20. Be3 Nd4 21.
Be2 h5 22. Bd1 Reb8 23. b3 a5 24. c3 Nf5 25. Bf2 a4 26. bxa4 Bf8 27. Nf6+ Kg7
28. Nxd5 Ba3+ 29. Kc2 cxd5 30. Kd3 Rc8 31. Re1 Bc1 32. Rde2 d4 33. Rxe5 Rxc3+
34. Ke2 Be3 35. Re4 Rb8 36. Bb3 d3+ 37. Kf1 Bxf2 38. Kxf2 Rbxb3 39. axb3 Rc2+
40. Kg1 d2 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.16"]
[Round "5"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Corradine, Jorge"]
[Result "1-0"]
[ECO "D51"]
[WhiteElo "2359"]
[BlackElo "2154"]
[PlyCount "100"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. Bg5 Nd7 3. c4 c6 4. cxd5 cxd5 5. Nc3 Ngf6 6. e3 e6 7. Bd3 Be7 8. f4
h6 ({RR} 8... a6 9. Nf3 Ng4 10. Qe2 f5 11. h3 Ngf6 12. g4 g6 13. gxf5 exf5 14.
Qg2 Nf8 15. Ne5 Be6 16. O-O-O Qa5 17. Kb1 O-O-O 18. Rc1 Kb8 19. h4 Rg8 20. h5
N8d7 21. hxg6 hxg6 22. Rhg1 Nf8 23. Qe2 {Macedo,M (2386)-Januario,S (2156)/
Manaus 2013/CBM 154 Extra/1/2-1/2 (34)}) 9. Bxf6 Nxf6 10. Nf3 a6 $146 ({RR}
10... O-O 11. Ne5 Nd7 12. O-O Nxe5 13. fxe5 f5 14. exf6 Rxf6 15. Qh5 Bd7 16.
Rxf6 Bxf6 17. Qg6 Be8 18. Qh7+ Kf8 19. Rf1 Bf7 20. Ne2 Ke7 21. Bc2 Rc8 22. Bb3
Qa5 23. Qd3 Be8 24. Nc3 a6 25. e4 {Van der Stricht,G (2390)-Smit,E (2278)/Gent
2009/CBM 131 Extra/1/2-1/2 (48)}) 11. O-O O-O 12. Ne5 Bd7 13. g4 Ne8 14. g5
hxg5 15. fxg5 Bxg5 16. Qh5 Bxe3+ 17. Kh1 f5 18. Ng6 Bh6 19. Nxf8 Kxf8 20. Rae1
Nf6 21. Qh4 Qb6 22. Re2 Kf7 23. Rg2 Rh8 24. Rfg1 Qd8 25. Rg6 Qf8 26. Qg3 Nh5
27. Qf3 Bf4 28. Bxf5 exf5 29. Qxd5+ Ke7 30. Qxb7 Qc8 31. Nd5+ Kf7 32. Qxc8 Bxc8
33. Nxf4 Nxf4 34. Rxg7+ Kf6 35. Ra7 Rd8 36. Rd1 Rd6 37. h4 Be6 38. b3 Ne2 39.
Rd3 f4 40. Kg2 Kf5 41. Kf2 Nxd4 42. h5 Kg5 43. Rd1 Bf5 44. Rg7+ Kh6 45. Rc7 Bg4
46. Rd2 Be6 47. Rc1 Rd5 48. Rcd1 Ra5 49. b4 Ra3 50. Rxd4 Bg4 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.16"]
[Round "5"]
[White "Barrios, Felix"]
[Black "Acosta, Alejandro"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2225"]
[BlackElo "2323"]
[PlyCount "78"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. Nf3 Nf6 2. c4 c6 3. e3 d5 4. b3 Bf5 5. Be2 h6 6. Bb2 e6 7. O-O Be7 8. Nc3 ({
RR} 8. d4 Nbd7 9. Nc3 O-O 10. h3 Ne4 11. Nxe4 Bxe4 12. Rc1 Bd6 13. Nd2 Bh7 14.
c5 Bc7 15. f4 Nf6 16. b4 a6 17. a4 Ne4 18. Nxe4 Bxe4 19. Bd3 f5 20. Qb3 g5 21.
Rc2 Rf7 22. Rcf2 Qd7 {Gelashvili,T (2605)-Dableo,R (2448)/Manila 2010/CBM 138
Extra/1-0 (63)}) 8... O-O 9. Ne5 $146 ({RR} 9. d3 Bh7 10. Qd2 Nbd7 11. Rfd1 Re8
12. Rac1 a6 13. e4 Bd6 14. exd5 exd5 15. cxd5 cxd5 16. Bf1 Ne5 17. Nxe5 Bxe5
18. g3 Bd4 19. Ne2 Bxb2 20. Qxb2 Bf5 21. h3 Rc8 22. Rxc8 Bxc8 23. Rc1 Qe7 {
Panno,O-Addison,W/Palma de Mallorca 1970/IZT/1/2-1/2 (43)}) ({RR} 9. a3 a5 10.
Ne5 Nbd7 11. f4 Nxe5 12. fxe5 Nd7 13. cxd5 cxd5 14. Nxd5 Bg5 15. Rc1 Rc8 16.
Nf4 Qb6 17. Bc4 Qa7 18. Bd4 Qb8 19. g4 b5 20. gxf5 bxc4 21. fxe6 Nxe5 22. exf7+
Rxf7 23. Ne6 Rxf1+ {Ageichenko,G (2302)-Dvorak,M (2180)/Olomouc 2013/CBM 155
Extra/1/2-1/2 (56)}) ({RR} 9. d4 Nbd7 10. Bd3 Bxd3 11. Qxd3 a6 12. e4 dxe4 13.
Nxe4 Nxe4 14. Qxe4 Bf6 15. Rad1 Qc7 16. Rfe1 Rad8 17. Bc1 e5 18. Qg4 Kh8 19. d5
cxd5 20. cxd5 Nb6 21. Ba3 Rfe8 22. d6 Qd7 23. Qb4 Nc8 {Bacallao Alonso,Y (2467)
-Dominguez Pons,E (2211)/Barbera del Valles 2009/CBM 131 Extra/1/2-1/2 (42)})
9... Nbd7 10. f4 dxc4 11. bxc4 Nc5 12. d3 Nfd7 13. Nf3 Qb6 14. Qd2 Rfd8 15. d4
Nf6 16. Qc1 Nd3 17. Bxd3 Bxd3 18. c5 Qa6 19. Re1 Bh7 20. Ne5 Rac8 21. a4 b6 22.
Ba3 bxc5 23. Bxc5 Bxc5 24. dxc5 Qa5 25. Ne2 Nd7 26. Nxd7 Rxd7 27. Nd4 Rd5 28.
Qa3 Qxc5 29. Rec1 Qb6 30. a5 Qb7 31. Rc5 Be4 32. Rac1 Rxc5 33. Rxc5 Rb8 34. h3
Qb1+ 35. Rc1 Qb2 36. Qxb2 Rxb2 37. Nxc6 Rxg2+ 38. Kf1 Rh2 39. Nxa7 Rh1+ 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.17"]
[Round "6"]
[White "Zapata, Alonso"]
[Black "Garavito, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2454"]
[PlyCount "214"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 a5 9. f3 d5 10. Bxd5 Nxd5 11. exd5 Nb4 12. Nde2 Bf5 13. Rc1 Rc8 ({RR} 13...
Ra6 14. a3 Rd6 15. axb4 axb4 16. Bd4 bxc3 17. Nxc3 Bh6 18. Ra1 Be6 19. Bc5 Rd7
20. Qe2 Bxd5 21. Nxd5 Rxd5 22. Bxe7 Qe8 23. O-O Bf4 24. Qc4 Be3+ 25. Kh1 Rd4
26. Qc5 Rd7 27. Qxe3 Rxe7 28. Qc3 {Hector,J (2540)-Gallagher,J (2515)/Geneve
1995/CBM 046 ext/1-0 (49)}) ({RR} 13... Ra6 14. a3 Rd6 15. Bc5 Nxd5 16. Bxd6
Ne3 17. Qd2 Nc4 18. Qf4 Nxd6 19. b3 Qb6 20. Nd5 Qc5 21. Nxe7+ Kh8 22. b4 axb4
23. axb4 Qb6 24. Rd1 Nb5 25. Nd5 Qe6 26. Kf2 Bxc2 27. Rd2 Bb3 28. Ne3 {
McClement,A (2088)-Emiroglu,C (2299)/Prague 2012/CBM 150 Extra/1-0 (62)}) 14.
a3 Na6 $146 ({RR} 14... Nxc2+ 15. Rxc2 Bxc2 16. Qxc2 Qxd5 17. Kf2 Qc4 18. Rd1
e6 19. Qa4 Qxa4 20. Nxa4 b5 21. Nac3 b4 22. axb4 axb4 23. Na4 b3 24. Rd3 Ra8
25. Nec3 h5 26. Ke2 Be5 27. h3 Bg7 28. Nc5 Rfb8 29. Bd4 {Gaponenko,I (2435)
-Nguyen Thi Mai,H (2244)/Mardin 2011/CBM 145 Extra/1/2-1/2 (77)}) ({RR} 14...
Nxc2+ 15. Rxc2 Bxc2 16. Qxc2 Qxd5 17. O-O b5 18. Qxg6 hxg6 19. Nxd5 Rc2 20.
Nxe7+ Kh7 21. Nd4 Rxb2 22. Ndc6 Re8 23. Rc1 Rb3 24. Bc5 Bb2 25. Nxa5 Rxf3 26.
Rc2 Rc3 27. Rxc3 Bxc3 28. Nac6 Bb2 29. Na7 {Morello Ostos,D (1858)-Jordan
Arenas,M (2142)/Silla 2003/CBM 097 ext/0-1 (55)}) 15. O-O b5 16. Nd4 b4 17.
Nxf5 gxf5 18. Na4 Qd6 19. axb4 axb4 20. Qd3 f4 21. Bf2 Rfd8 22. Rfd1 Rb8 23. c4
bxc3 24. bxc3 Rb3 25. Qc4 Rdb8 26. Ba7 R8b7 27. Qc8+ Bf8 28. Bc5 Qg6 29. d6
Nxc5 30. Nxc5 Rb2 31. Qh3 Ra7 32. Nd3 Rb8 33. Ne5 Qg5 34. Qg4 Qxg4 35. fxg4 Ra6
36. dxe7 Bxe7 37. Rc2 Rc8 38. Kf2 Bf6 39. Rd5 Re6 40. Nd7 Bxc3 41. Kf3 h6 42.
Nc5 Re3+ 43. Kxf4 Rce8 44. Rd3 Bf6 45. Rxe3 Bg5+ 46. Kf5 Bxe3 47. Ne4 Bd4 48.
Rd2 Ba1 49. Rd5 Kg7 50. h4 Re6 51. Rd7 Bf6 52. g3 Re5+ 53. Kf4 Re6 54. Kf3 Be7
55. Ke3 Kg6 56. Kf4 Bf6 57. Rd5 Bb2 58. Kf3 Be5 59. Nc5 Rf6+ 60. Kg2 Bc7 61.
Rd7 Rc6 62. Ne4 Be5 63. Re7 Bf6 64. Re8 Bd4 65. Kf3 Bb2 66. Rg8+ Kh7 67. Rb8
Be5 68. Re8 Bb2 69. Kf4 Kg7 70. Rd8 Re6 71. Rd7 Be5+ 72. Kf3 Kg6 73. h5+ Kg7
74. g5 hxg5 75. Nxg5 Rf6+ 76. Kg4 Rf1 77. Re7 Bxg3 78. Kxg3 Kh6 79. Nf3 Kxh5
80. Rxf7 Kh6 81. Kg4 Ra1 82. Kf4 Rf1 83. Ke5 Kg6 84. Ke6 Ra1 85. Rf6+ Kh5 86.
Kf5 Ra5+ 87. Ne5 Kh4 88. Rg6 Kh3 89. Rg7 Kh4 90. Rg1 Kh3 91. Rg8 Kh4 92. Rg2
Kh3 93. Rc2 Kg3 94. Rc3+ Kf2 95. Kf4 Ke2 96. Nc4 Ra8 97. Ke4 Re8+ 98. Ne5 Kf2
99. Rc6 Kg3 100. Rg6+ Kf2 101. Rg5 Ra8 102. Nd3+ Ke2 103. Rg2+ Kd1 104. Nb2+
Kc1 105. Kd4 Rd8+ 106. Kc3 Rc8+ 107. Nc4 Kd1 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.17"]
[Round "6"]
[White "Ramirez, Carlos"]
[Black "Barrios, Felix"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2324"]
[BlackElo "2225"]
[PlyCount "17"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. dxe5 dxe5 8.
Qxd8 Rxd8 9. Bg5 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.17"]
[Round "6"]
[White "Gamboa, Nelson"]
[Black "Cuartas, Jaime Alexander"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2340"]
[BlackElo "2365"]
[PlyCount "107"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Nf3 Nh6 7. O-O Bf5 8. Be2
({RR} 8. Bxf5 Nxf5 9. Qb3 Qd7 10. Ne5 Nxe5 11. dxe5 e6 12. Bg5 Bg7 13. Re1 O-O
14. Nd2 h6 15. Bf6 Bxf6 16. exf6 b6 17. c4 Rfd8 18. Qh3 dxc4 19. Nxc4 Qd3 20.
Ne3 Nxe3 21. fxe3 Kh7 22. Qf3 Rac8 {Sudhakar,M-Koczo,K (2189)/Budapest 2010/
EXT 2011/0-1 (38)}) 8... Bg7 9. Re1 ({RR} 9. Bf4 O-O 10. h3 f6 11. Na3 e5 12.
dxe5 fxe5 13. Bg5 Qd7 14. Nc2 Nf7 15. Bh4 d4 16. cxd4 exd4 17. Bb5 Qd5 18. Bxc6
bxc6 19. Nfxd4 Qe4 20. Nxf5 gxf5 21. Bg3 Rad8 22. Qc1 Bh6 23. Ne3 f4 {
Spraggett,K (2560)-Glavina Rossi,P (2425)/Spain 1998/EXT 2004/1-0 (36)}) 9...
O-O 10. Nbd2 $146 ({RR} 10. h3 f6 11. Bf1 Nf7 12. Bf4 e5 13. Bg3 e4 14. Nfd2
Bc8 15. Na3 f5 16. f3 Bh6 17. Bf2 Re8 18. fxe4 dxe4 19. Ndc4 f4 20. d5 Nb8 21.
Bd4 Qh4 22. Nb5 Bxh3 23. gxh3 Qg3+ 24. Kh1 f3 {Nolsoe,E (2227)-Cuartas,J (2452)
/Mallorca 2004/CBM 104/1-0 (39)}) 10... Qd6 11. Nb3 Rad8 12. Bb5 f6 13. Qe2 b6
14. Nh4 Bg4 15. f3 Bd7 16. f4 Nf7 17. Nf3 Rde8 18. c4 e5 19. cxd5 exf4 20. Qc4
Rxe1+ 21. Nxe1 Nb8 22. Bxd7 Nxd7 23. Qc6 g5 24. Bd2 Rd8 25. Rc1 Nf8 26. Nd3
Qxd5 27. Nb4 Qd7 28. a4 f5 29. Bc3 a5 30. Qxd7 Rxd7 31. Nc6 Ng6 32. Re1 Nd6 33.
Ne5 Nxe5 34. dxe5 Ne4 35. Bd4 Rc7 36. Rc1 Rxc1+ 37. Nxc1 Nc5 38. Bxc5 bxc5 39.
Nb3 Bxe5 40. Nxa5 Kf7 41. Nc6 Bxb2 42. a5 c4 43. a6 Ba3 44. a7 Bc5+ 45. Kf1
Bxa7 46. Nxa7 c3 47. Ke2 g4 48. Nc6 f3+ 49. gxf3 gxf3+ 50. Kxf3 c2 51. Ne5+ Kf6
52. Nd3 Kg5 53. Kg3 f4+ 54. Kf3 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.17"]
[Round "6"]
[White "Corradine, Jorge"]
[Black "Clavijo, Jorge Mario"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "2154"]
[BlackElo "2388"]
[PlyCount "54"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. Ne5 c6 7. c4 Nbd7 8. Nc3
Nxe5 9. dxe5 Ne4 10. cxd5 Nxc3 11. bxc3 cxd5 12. f4 $146 ({RR} 12. Bf4 e6 13.
h4 Qc7 14. Qd4 Bd7 15. Rab1 Bc6 16. Bf3 b5 17. h5 Qb6 18. h6 Bh8 19. Rfc1 f6
20. a4 fxe5 21. Bxe5 Qxd4 22. cxd4 Bxe5 23. dxe5 Rfc8 24. axb5 Bd7 25. Bg4 Kf7
26. f4 Ke7 {Chelushkina,I (2338)-Zivkovic,D (2187)/Belgrade 2007/CBM 116 ext/
1-0 (64)}) ({RR} 12. Bxd5 Bxe5 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Rfd1
Qc7 17. Rab1 a6 18. h4 h5 19. Rb6 e5 20. Qe3 Re8 21. Rxg6+ Kf8 22. Qh6+ {1-0
(22) Bispo,L (2198)-Costa,G (1897)/Sao Bernardo do Campo 2011/EXT 2012}) 12...
Be6 13. Be3 Qa5 14. Bd4 Rac8 15. Qb3 b6 16. Rfd1 Rc4 17. Rd3 Rfc8 18. Re3 Bd7
19. h3 e6 20. g4 Bf8 21. Rd3 Bc5 22. Qd1 Rxc3 23. Kh2 Rxd3 24. Qxd3 Bb5 25. Qe3
Bxd4 26. Qxd4 Bxe2 27. Qf2 Rc2 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.17"]
[Round "6"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Saladen Dulce, Rafael"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2359"]
[BlackElo "2300"]
[PlyCount "95"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4 f5 $146 ({RR} 5... Bf5 6. Nc5
b6 7. e4 bxc5 8. exf5 gxf5 9. Nf3 e6 10. Bg5 Be7 11. Bxe7 Qxe7 12. Rc1 cxd4 13.
Qxd4 O-O 14. Bc4 c5 15. Qd2 Rd8 16. O-O Nc6 17. Rfe1 Qf6 18. Bf1 Nd4 19. Ne5
Rac8 20. Qa5 {Sjodahl,P (2420)-Sutovsky,E (2575)/Harplinge 1998/CBM 067/0-1
(38)}) ({RR} 5... Nb6 6. e4 e5 7. Nxb6 axb6 8. d5 c6 9. Nf3 Bg4 10. Bc4 Bb4+
11. Kf1 b5 12. Bb3 c5 13. Bh6 c4 14. Bc2 Nd7 15. a4 Qf6 16. h3 Bxf3 17. Qxf3
Qh4 18. Be3 Bc5 19. g3 Qe7 20. Bh6 {Lysyj,I (2576)-Sasikiran,K (2700)/Moscow
2007/CBM 117/1-0 (56)}) ({RR} 5... Bg7 6. e4 Nb6 7. Nc3 O-O 8. Be3 Nc6 9. Nf3
Bg4 10. d5 Ne5 11. h3 Bxf3 12. gxf3 c6 13. dxc6 Nxc6 14. Qxd8 Rfxd8 15. Bb5 Nd4
16. Bxd4 Bxd4 17. Ke2 a6 18. Bd3 Bxf2 19. Bxa6 Rxa6 20. Kxf2 {Peterwagner,H
(2366)-Jedinger,A (1889)/St Petersburg 2013/CBM 152 Extra/1/2-1/2 (33)}) ({RR}
5... c6 6. e4 Nc7 7. Nf3 Bg7 8. Be2 O-O 9. O-O Bg4 10. Be3 Ne6 11. e5 Nd7 12.
h3 Bxf3 13. Bxf3 Nb6 14. Nxb6 axb6 15. d5 cxd5 16. Bxd5 Nc7 17. Bxb6 Qxd5 18.
Bxc7 Qe6 19. a3 Rfc8 20. Rc1 {Atia,J (2125)-Nijboer,F (2525)/Elista 1998/CBM
066 ext/0-1 (61)}) 6. Nf3 b6 7. g3 Bb7 8. Bg2 Bg7 9. Qb3 Nc6 10. Nc5 Na5 11.
Nxb7 Nxb3 12. Nxd8 Nxa1 13. Ne6 Bf6 14. Ne5 Nc2+ 15. Kd1 Nxd4 16. Nxd4 O-O-O
17. Nec6 e5 18. Nxa7+ Kb7 19. Nac6 Rd6 20. Nb4 e4 21. Nxd5 Rxd5 22. e3 c5 23.
f3 Re8 24. fxe4 fxe4 25. Rf1 Bg5 26. h4 Bh6 27. Rf7+ Kb8 28. Rxh7 Bf8 29. Ke2
cxd4 30. exd4 Rxd4 31. Be3 Rc4 32. Bf4+ Ka8 33. Rd7 Bb4 34. Kd1 Re7 35. Rxe7
Bxe7 36. b3 Rd4+ 37. Ke2 Ka7 38. Be3 Rb4 39. Bh3 Rb5 40. Be6 Re5 41. Bf7 g5 42.
h5 Rf5 43. Bg6 Rf3 44. Bf2 Bc5 45. Bxc5 bxc5 46. g4 Rg3 47. Bf5 e3 48. h6 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.17"]
[Round "6"]
[White "Acosta, Alejandro"]
[Black "Mosquera, Miguel"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2323"]
[BlackElo "2315"]
[PlyCount "38"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. dxc5 Bxc5 7. Bd3 Qe7+ 8.
Be2 Nf6 9. O-O O-O 10. Nb3 Ba7 11. Bg5 Qd6 12. c3 $146 ({RR} 12. c4 Rd8 13.
cxd5 Qxd5 14. Bc4 Qxd1 15. Raxd1 Nc6 16. Na5 Be6 17. Nxc6 bxc6 18. Bxe6 fxe6
19. Ne5 c5 20. Bxf6 gxf6 21. Nc6 Rxd1 22. Rxd1 Bb6 23. Rd7 c4 24. Kf1 Bc5 25.
Na5 Rc8 26. Nxc4 Bxf2 {Munoz Pantoja,M (2508)-Gonzalez Rodriguez,J (2401)/
Barcelona 2010/CBM 140 Extra/1-0 (59)}) 12... Ne4 13. Bh4 Nc6 14. Nbd4 Re8 15.
Re1 Bg4 16. Qd3 Qf4 17. Bg3 Nxg3 18. hxg3 Qf6 19. Rad1 Nxd4 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.18"]
[Round "7"]
[White "Saladen Dulce, Rafael"]
[Black "Corradine, Jorge"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2300"]
[BlackElo "2154"]
[PlyCount "61"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g4 b5 7. Bg2 Bb7 8. Qe2
({RR} 8. Be3 Nc6 9. O-O Nxd4 10. Qxd4 Ne7 11. f4 Nc6 12. Qd3 Rc8 13. Rf2 Na5
14. Bd4 Nc6 15. Be3 Na5 16. Bd4 Nc6 17. Be3 Na5 18. Nd1 Nc4 19. Bd4 d6 20. b3
Nb6 21. Ne3 Nd7 22. c4 b4 {Sanchez Jerez,E (2226)-Kovacevic,S (2300)/Almansa
2012/CBM 149 Extra/0-1 (36)}) 8... Bb4 9. Bd2 Ne7 $146 ({RR} 9... Nc6 10. Nxc6
Bxc6 11. O-O-O Rc8 12. Kb1 Bd6 13. Bc1 Bf4 14. Nd5 Bxd5 15. exd5 Bxc1 16. Rxc1
Ne7 17. Qd2 Ng6 18. Rhf1 Qf4 19. Qa5 Qxg4 20. dxe6 Qxg2 21. exd7+ Kxd7 22.
Rcd1+ Ke8 23. Rfe1+ Ne7 24. Qb4 {Ardelean,G (2461)-Nestorovic,D (2416)/
Obrenovac 2004/CBM 103 ext/1-0 (71)}) 10. f4 Nbc6 11. Nxc6 Nxc6 12. Qf2 Be7 13.
g5 Nb4 14. Be3 Nxc2+ 15. Qxc2 b4 16. Qb3 bxc3 17. Rc1 Bc6 18. Qxc3 O-O 19. O-O
Qb7 20. Qd4 Rab8 21. Rc2 d6 22. h4 Rfc8 23. h5 Bb5 24. Rfc1 Rxc2 25. Rxc2 Bf8
26. e5 d5 27. f5 Bd7 28. g6 hxg6 29. hxg6 fxg6 30. fxg6 Be8 31. Qg4 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.18"]
[Round "7"]
[White "Mosquera, Miguel"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2315"]
[BlackElo "2324"]
[PlyCount "57"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 a6 5. g3 d6 ({RR} 5... Ne7 6. Bg2 Nbc6 7.
O-O Nxd4 8. Qxd4 Nc6 9. Qe3 Qc7 10. Nc3 Be7 11. Bd2 O-O 12. Na4 Bd8 13. f4 d6
14. Kh1 b5 15. Nc3 Bb7 16. Rac1 Bf6 17. e5 dxe5 18. f5 Nd4 19. fxe6 Bxg2+ 20.
Kxg2 {Tan,M (2352)-Drenchev,P (2465)/Belgium 2009/EXT 2011/1-0 (56)}) ({RR}
5... Bc5 6. Nb3 Ba7 7. Bg2 Nc6 8. O-O d6 9. Qe2 Nf6 10. Be3 Bxe3 11. Qxe3 O-O
12. Nc3 Qc7 13. f4 b5 14. a3 Bb7 15. Rad1 Ng4 16. Qe2 Qb6+ 17. Kh1 Ne3 18. Qf2
Qa7 19. Rxd6 Nxf1 20. Qxa7 {Klimek,P (1862)-Hrbolka,L (2164)/Teplice 2013/CBM
155 Extra/0-1 (49)}) 6. Bg2 Qc7 7. O-O Bd7 8. Re1 $146 ({RR} 8. Be3 Nc6 9. a4
Nf6 10. Nxc6 Bxc6 11. Nc3 Qa5 12. Qe2 Be7 13. f4 O-O 14. f5 exf5 15. exf5 d5
16. Kh1 Bc5 17. Bxc5 Qxc5 18. Qd3 Ng4 19. Nxd5 Rad8 20. c4 Nf2+ 21. Rxf2 Qxf2
22. Rf1 Qxb2 {Whitfield,C (1960)-Stukopin,A (2458)/Burdur 2010/CBM 139 Extra/
0-1 (45)}) 8... Nc6 9. c4 Nxd4 10. Qxd4 Rc8 11. b3 Nf6 12. Bb2 Be7 13. Nc3 O-O
14. h3 Rfd8 15. Rad1 Bc6 16. Rc1 Be8 17. g4 Bf8 18. g5 Nd7 19. h4 b5 20. cxb5
axb5 21. Nd5 e5 22. Nxc7 exd4 23. Bxd4 Nc5 24. Nxe8 Rxe8 25. Rc3 b4 26. Rc4 Rb8
27. e5 Ne6 28. Ba7 Rb5 29. Bc6 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.18"]
[Round "7"]
[White "Garavito, Miguel Angel"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[ECO "A90"]
[BlackElo "2359"]
[PlyCount "88"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O Bd6 6. c4 c6 7. b3 Qe7 8. Bb2 O-O
9. Nbd2 b6 10. Qc2 ({RR} 10. Rc1 Bb7 11. Qc2 a5 12. Rfd1 Na6 13. Qb1 Rac8 14.
Ne5 Rfd8 15. Ndf3 b5 16. Nd3 Nd7 17. Bc3 b4 18. Bd2 dxc4 19. Rxc4 c5 20. Rdc1
Bxf3 21. Bxf3 Nb6 22. R4c2 cxd4 23. Rc6 Rb8 24. Bf4 g6 {Lugovoi,A (2510)
-Rusanov,M (2448)/St Petersburg 1999/CBM 070 ext/1-0 (71)}) ({RR} 10. Rc1 a5
11. a4 Bb7 12. Ne5 Nfd7 13. f4 Nf6 14. e3 Bb4 15. Rc2 Ne4 16. Nxe4 dxe4 17. g4
Nd7 18. Nxd7 Qxd7 19. gxf5 exf5 20. Bh3 g6 21. Rg2 Kf7 22. Qc2 Rae8 23. Ba1 Rg8
24. Qb2 Qe7 {Hertel,O (2073)-Srna,J (2002)/Slovakia 2012/EXT 2013/1/2-1/2})
10... a5 $146 ({RR} 10... Bb7 11. Rac1 Nbd7 12. Ne5 Rac8 13. e3 Ne4 14. Nxd7
Qxd7 15. f3 Nxd2 16. Qxd2 Qe7 17. f4 Rfd8 18. Rfd1 a5 19. Qe2 Ba6 20. Qf3 a4
21. Bf1 Ba3 22. Qf2 axb3 23. axb3 Bb4 24. Ra1 Bb7 25. Ra2 {Patricks,A-Gunawan,
R (2420)/Jakarta 2011/CBM 141 Extra/0-1 (61)}) ({RR} 10... Bb7 11. Rac1 Nbd7
12. Ne5 Ne4 13. Nxd7 Qxd7 14. Nxe4 fxe4 15. f3 exf3 16. exf3 c5 17. f4 Rae8 18.
Rfe1 Qf7 19. Qe2 Qg6 20. Qe3 Re7 21. Kh1 Rfe8 22. Qd2 Qh5 23. dxc5 bxc5 24. Be5
Bxe5 25. Rxe5 {Nadi,F (2100)-Manfay,M (2118)/Hungary 2011/EXT 2012/1/2-1/2 (32)
}) 11. Rfc1 Na6 12. a3 Bb7 13. Ne5 Rac8 14. Qd3 Ne4 15. Ndf3 Nb8 16. e3 Rfd8
17. Qe2 c5 18. cxd5 exd5 19. Qb5 Bc7 20. b4 Ba6 21. Qa4 b5 22. Qd1 c4 23. Qe1
axb4 24. axb4 Bd6 25. Ba3 Rc7 26. Rc2 Ra7 27. Rca2 Bb7 28. Nh4 g6 29. f3 Nf6
30. Qc3 Nbd7 31. Nhxg6 hxg6 32. Nxg6 Qh7 33. Nh4 Nb6 34. Qc2 Bc8 35. Bh3 Rg7
36. Kf2 f4 37. Qxh7+ Nxh7 38. Bxc8 fxg3+ 39. hxg3 Bxg3+ 40. Kf1 Bxh4 41. Ba6
Ng5 42. Bxb5 Nxf3 43. Rg2 Nd2+ 44. Kg1 Bg5 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.18"]
[Round "7"]
[White "Cuartas, Jaime Alexander"]
[Black "Acosta, Alejandro"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2365"]
[BlackElo "2323"]
[PlyCount "49"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8.
Nd2 Be7 9. Re1 O-O ({RR} 9... a5 10. c3 Ba6 11. Bc2 Qc7 12. Qf3 Bd6 13. Qh3 O-O
14. exd5 cxd5 15. Nf3 Bf4 16. Qh4 Bxc1 17. Raxc1 Qc4 18. Nd4 Qxa2 19. Re3 h6
20. Rg3 Kh8 21. Rxg7 Kxg7 22. Qg3+ Kh8 23. Qe5 Kg7 24. Qg3+ {Benjamin,J (2554)
-Shulman,Y (2549)/San Diego 2004/CBM 105/1/2-1/2 (35)}) 10. b3 ({RR} 10. e5 Nd7
11. c3 f5 12. exf6 Bxf6 13. Qh5 g6 14. Bxg6 hxg6 15. Qxg6+ Bg7 16. Qxe6+ Rf7
17. Qxc6 Rb8 18. Nf3 Rxf3 19. gxf3 Ne5 20. Rxe5 Bxe5 21. Qg6+ Bg7 22. Bg5 Qf8
23. Re1 Rb6 24. Qd3 Qf5 {Novichkov,V (2371)-Stukopin,A (2500)/Moscow 2013/CBM
153 Extra/0-1 (44)}) 10... a5 11. Bb2 ({RR} 11. Qe2 a4 12. Bb2 Qb6 13. e5 Nd7
14. Qh5 g6 15. Qh6 axb3 16. Re3 Re8 17. Rh3 Nf8 18. cxb3 Ba3 19. Bc3 Bb4 20.
Bb2 Ba3 21. Bc3 Bb4 22. Bb2 Qa5 23. Nf1 Ba6 24. Bxa6 Qxa6 25. Ng3 Qa5 {Cuartas,
J (2365)-Zapata,A (2454)/Fusagasuga 1999/CBM 073 ext/1/2-1/2 (86)}) 11... Ba6
$146 ({RR} 11... a4 12. Re3 a3 13. Bxf6 Bxf6 14. e5 Bg5 15. Rh3 f5 16. Nf3 Be7
17. Qe2 Rf7 18. c4 d4 19. Nd2 c5 20. f4 g5 21. fxg5 Bxg5 22. Nf1 Bb7 23. Qh5
Rg7 24. Rg3 Qe7 25. Be2 Rf8 26. Bf3 {Belyakov,B (2301)-Movsesian,S (2716)/
Olginka 2011/CBM 142/0-1 (47)}) 12. c4 a4 13. Re3 d4 14. Rh3 e5 15. f4 Bc8 16.
f5 Nd7 17. Nf3 Qb6 18. Rb1 axb3 19. axb3 c5 20. Bc1 f6 21. Nh4 Rd8 22. Qh5 Nf8
23. Bh6 g6 24. fxg6 Bxh3 25. gxh7+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.18"]
[Round "7"]
[White "Clavijo, Jorge Mario"]
[Black "Gamboa, Nelson"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2388"]
[BlackElo "2340"]
[PlyCount "91"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 b5 5. cxb5 a6 6. Nc3 d6 7. Nf3 Nf6 8. a4 O-O
9. Bd3 axb5 10. Bxb5 Ba6 11. Bg5 h6 12. Bf4 ({RR} 12. Bd2 Nbd7 13. O-O Ng4 14.
Qc2 Nge5 15. Nxe5 Nxe5 16. Bxa6 Rxa6 17. Nb5 g5 18. f4 gxf4 19. Bxf4 Ng6 20.
Bd2 Qd7 21. Rae1 Qg4 22. Re3 Be5 23. Bc3 Kh7 24. Ref3 Bxc3 25. Nxc3 Ne5 26. Rg3
Qh4 {Gruenberg,H (2470)-Georgiev,K (2605)/Stara Zagora 1990/CBM 017/1/2-1/2
(64)}) ({RR} 12. Bd2 Ne8 13. O-O Nc7 14. Qe2 Bc8 15. h3 e5 16. dxe6 Bxe6 17.
Bf4 g5 18. Bg3 Qe7 19. Rad1 Rd8 20. Rd2 Bb3 21. Bc4 Bxc4 22. Qxc4 Nc6 23. Rfd1
Nd4 24. Nxd4 cxd4 25. Nd5 Nxd5 26. exd5 Rdc8 {Volkov,S (2607)-Sideris,T (2050)/
Vrachati 2011/CBM 144 Extra/1-0 (52)}) 12... Qa5 $146 ({RR} 12... Bb7 13. O-O
Na6 14. Nd2 Nb4 15. Nc4 Ra7 16. Qe2 Bc8 17. h3 Kh7 18. Bh2 Nd7 19. e5 Nxe5 20.
Nxe5 dxe5 21. Bxe5 f6 22. Bb8 Rb7 23. Bg3 Nxd5 24. Nxd5 Qxd5 25. Rac1 f5 26. f4
Bd7 27. Rfd1 {Schneider,A-Mihaljcisin,M (2350)/Zamardi 1980/MCD/1/2-1/2}) ({RR
} 12... Bxb5 13. axb5 Nbd7 14. O-O Ng4 15. Qe2 Nge5 16. Nd2 Qc7 17. Bxe5 Nxe5
18. Nc4 Nxc4 19. Qxc4 Qb7 20. Rfb1 Rfb8 21. Ra6 Rxa6 22. bxa6 Qa7 23. Ra1 Rb4
24. Qa2 Bd4 25. Qa5 Bxc3 26. bxc3 Rxe4 27. Qb5 {Ortega Ruiz,J (2255)-Vanparys,
P/Aviles 2000/CBM 077 ext/1-0}) 13. O-O Qb4 14. Qc2 Bxb5 15. axb5 Nbd7 16. Rfc1
Nb6 17. Bd2 Nfd7 18. Ne1 c4 19. Nf3 Nc5 20. Be3 Nbd7 21. Rab1 Nb3 22. Rd1 Ndc5
23. Nd4 Nxd4 24. Bxd4 f6 25. f4 Nb3 26. f5 Kh7 27. Qe2 h5 28. Be3 Bh6 29. fxg6+
Kxg6 30. Bxh6 Kxh6 31. Rf1 Rg8 32. Kh1 Rg5 33. Qe3 Qc5 34. Qxc5 dxc5 35. Rbd1
Nd4 36. Ra1 Rag8 37. Rf2 Re5 38. Ra4 f5 39. Rf4 Rg4 40. Rxg4 hxg4 41. b6 fxe4
42. b7 e3 43. b8=Q e2 44. Qh8+ Kg5 45. Qg7+ Kf4 46. Qh6+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.18"]
[Round "7"]
[White "Barrios, Felix"]
[Black "Zapata, Alonso"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2225"]
[BlackElo "2454"]
[PlyCount "67"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 Bg7 5. e4 O-O 6. Be2 d6 7. O-O Na6 8. Re1
Bg4 9. e5 $146 ({RR} 9. Be3 Rc8 10. d5 Nc7 11. h3 Bxf3 12. Bxf3 Nd7 13. Be2 Rb8
14. Qd2 a6 15. a4 Qe8 16. Rab1 f5 17. f4 fxe4 18. Nxe4 Nf6 19. Nc3 e5 20. dxe6
Qxe6 21. Bf3 Qxc4 22. Qxd6 Nfe8 23. Qxc5 Qxc5 {Smyslov,V-Filipowicz,A/Polanica
Zdroj 1966/MCD/1-0 (34)}) ({RR} 9. Be3 Nd7 10. Qd2 Re8 11. Rad1 Qa5 12. h3 Bxf3
13. Bxf3 cxd4 14. Bxd4 Bxd4 15. Qxd4 Nc7 16. Be2 a6 17. a3 Rad8 18. Qd2 Ne5 19.
Bf1 e6 20. Nd5 Qxd2 21. Nf6+ Kh8 22. Rxd2 Re7 23. c5 Kg7 {Wojtkiewicz,A (2475)
-Damljanovic,B (2555)/Palma de Mallorca 1989/TD/1-0 (57)}) ({RR} 9. d5 Nc7 10.
h3 Bxf3 11. Bxf3 e6 12. Bf4 exd5 13. exd5 Qd7 14. a4 a6 15. a5 Rab8 16. Na4 b5
17. axb6 Na8 18. b4 Nxb6 19. Nxc5 dxc5 20. bxc5 Nxc4 21. Bxb8 Rxb8 22. Rxa6 Qb5
23. Rc6 Nd7 {Rayner,F (2186)-Warman,S (2093)/Torquay 2013/CBM 155 Extra/1/2-1/2
}) ({RR} 9. Be3 b6 10. e5 Ne8 11. h3 Bd7 12. Qd2 cxd4 13. Bxd4 Nc5 14. Rad1 Bc6
15. Qe3 Qc7 16. Nd5 Bxd5 17. cxd5 dxe5 18. Bxe5 Bxe5 19. Nxe5 a5 20. Nc6 Nd6
21. Qxe7 Qxe7 22. Nxe7+ Kg7 23. Nc6 Rfe8 {Chekhov,V (2470)-Martinovic,S (2460)/
Moscow 1978/EXT 2002/1/2-1/2 (41)}) 9... dxe5 10. dxe5 Nd7 11. Bg5 Nb4 12. Nd5
Nc6 13. Qb3 Rb8 14. Rad1 Re8 15. Qa3 Qc8 16. Nd2 Bxe2 17. Rxe2 Bxe5 18. Nf3 Bf6
19. Rde1 Bxg5 20. Nxg5 Qd8 21. Qf3 f6 22. Ne6 Qa5 23. Qh3 Kh8 24. Nec7 Red8 25.
Rxe7 h5 26. Qe3 Qxe1+ 27. Qxe1 Nxe7 28. Qxe7 Nb6 29. h3 Rd7 30. Qxf6+ Kh7 31.
Nf4 Rg8 32. Ncd5 Kh6 33. g4 Nxc4 34. Ne7 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.19"]
[Round "8"]
[White "Zapata, Alonso"]
[Black "Mosquera, Miguel"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2454"]
[BlackElo "2315"]
[PlyCount "197"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8.
Kh1 Nxd4 9. Qxd4 Bc5 10. Qd3 b5 11. f4 Bb7 12. Bf3 O-O 13. e5 Ne8 14. a4 b4 15.
Bxb7 Qxb7 16. Ne4 Be7 17. f5 f6 18. fxe6 dxe6 19. exf6 Nxf6 20. Ng5 $146 ({RR}
20. Nxf6+ Bxf6 21. Rb1 Qc6 22. Bd2 a5 23. b3 Rad8 24. Qe2 Rd5 25. Be3 Re5 26.
Qf2 Qe4 27. Bb6 Rf5 28. Qg1 Qxc2 29. Rxf5 Qxf5 30. Qf1 Qg6 31. Qd1 Be7 32. Rc1
Qf5 33. Bg1 Rd8 34. Qe2 Qd5 {Skytte,R (2399)-Prokuronov,E (2232)/Pardubice
2005/CBM 107 ext/0-1 (42)}) 20... Qd5 21. Bf4 Qxd3 22. cxd3 Nd5 23. Nxe6 Nxf4
24. Nxf4 Bf6 25. Rab1 Be5 26. Nd5 b3 27. g3 Rfe8 28. Nb6 Rad8 29. Rfe1 Bf6 30.
Rxe8+ Rxe8 31. Nc4 Re2 32. Na5 Bxb2 33. Nxb3 Rc2 34. Na5 Kf7 35. Nc4 Rc1+ 36.
Rxc1 Bxc1 37. Kg2 Ke6 38. Kf3 Kd5 39. Na5 h5 40. Nb3 Bg5 41. h3 g6 42. Ke2 Be7
43. Ke3 Bd6 44. Kf3 g5 45. g4 h4 46. Ke2 Ke5 47. Nd2 Be7 48. Ke3 Bc5+ 49. Kf3
Be7 50. Nb3 Kd5 51. Ke3 Bb4 52. Na1 Bc5+ 53. Kf3 a5 54. Nc2 Ke5 55. Na1 Kd5 56.
Nb3 Bb6 57. Ke2 Ke5 58. Nd2 Kf4 59. Nc4 Bc5 60. Nd2 Bb6 61. Ne4 Ba7 62. Kf1 Bb6
63. Kg2 Bd8 64. Nc5 Be7 65. d4 Ke3 66. Nb7 Kxd4 67. Nxa5 Kd5 68. Nb3 Kc4 69.
Na5+ Kd5 70. Kf3 Bd8 71. Nb7 Be7 72. a5 Kc6 73. a6 Kb6 74. Na5 Bc5 75. Nb3 Be7
76. Ke4 Kxa6 77. Nd4 Kb6 78. Ne6 Kc6 79. Kf5 Kd5 80. Nxg5 Kd4 81. Nh7 Ba3 82.
g5 Bc1 83. Nf6 Bd2 84. Ng4 Bb4 85. g6 Bf8 86. Nf6 Ke3 87. Kg4 Kd4 88. Nh5 Ke5
89. g7 Bxg7 90. Nxg7 Kf6 91. Nf5 Kg6 92. Nxh4+ Kh6 93. Nf5+ Kg6 94. h4 Kf6 95.
h5 Kf7 96. Kg5 Kg8 97. Kg6 Kh8 98. h6 Kg8 99. Nd6 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.19"]
[Round "8"]
[White "Saladen Dulce, Rafael"]
[Black "Garavito, Miguel Angel"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2300"]
[PlyCount "123"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. c4 b6 5. Nc3 Bb7 6. Bxf6 Bxf6 7. e4 d6 8. Bd3
({RR} 8. Qe2 e5 9. d5 c6 10. g3 cxd5 11. cxd5 O-O 12. h4 Nd7 13. Qe3 a6 14. a4
b5 15. b4 bxa4 16. Nxa4 Qb8 17. Bh3 Bc8 18. O-O Bd8 19. Rfc1 Nb6 20. Bxc8 Nxc8
21. Rab1 Na7 22. Rc4 Qb5 {Gerber,R (2408)-Kortschnoj,V (2519)/Geneve 2012/CBM
149 Extra/1/2-1/2 (54)}) ({RR} 8. Be2 Nd7 9. O-O O-O 10. Qc2 e5 11. d5 g6 12.
Qd2 Bg7 13. b4 a6 14. Rac1 Nf6 15. Ne1 Qe7 16. Nd3 Nd7 17. Bg4 f5 18. Bh3 Qh4
19. Qe2 Nf6 20. f3 Bc8 21. Nf2 Bh6 22. Rc2 Nh5 {Nadozor,E-Mantsinov,B/
Belorechensk 2013/CBM 153 Extra/0-1 (33)}) 8... Nd7 9. Qd2 $146 ({RR} 9. O-O
O-O 10. Re1 e5 11. d5 a5 12. Na4 Be7 13. a3 Nf6 14. b4 Bc8 15. b5 Ne8 16. Qb3
f5 17. exf5 Bxf5 18. Qc2 Bxd3 19. Qxd3 Qd7 20. Qe4 Rf4 21. Qe2 Qg4 22. Nb2 Nf6
23. h3 Qh5 {Messina,S-Cantu,G (1854)/Fiuggi 2007/CBM 119 ext/0-1 (63)}) ({RR}
9. Bc2 O-O 10. Qd3 g6 11. h4 e5 12. d5 Kg7 13. h5 Bg5 14. Nd1 Nc5 15. Qe2 c6
16. Ne3 cxd5 17. cxd5 Ba6 18. Qd2 Rc8 19. b4 Nd7 20. Ba4 b5 21. Bd1 Nb6 22. Be2
Nc4 23. Bxc4 Rxc4 {Petran,P (2420)-Cervenka,I (2210)/Slovakia 1995/EXT 1997/
0-1 (61)}) 9... O-O 10. O-O a5 11. Bc2 Ba6 12. b3 g6 13. Rad1 Bg7 14. Rfe1 Bb7
15. Bd3 Qe7 16. Bf1 Rfe8 17. g3 Qf8 18. Nh4 Bh6 19. f4 Rad8 20. Bh3 f5 21. d5
Nc5 22. dxe6 fxe4 23. Nd5 Qg7 24. g4 Nd3 25. Rxe4 Nxf4 26. Rxf4 Bxd5 27. Qxd5
c6 28. Qf3 Bxf4 29. Qxf4 g5 30. Qf7+ Qxf7 31. exf7+ Kxf7 32. Nf5 Re2 33. Bg2
Rxa2 34. Bxc6 Rb2 35. Nd4 Kf6 36. Re1 Rd2 37. Re6+ Kf7 38. Re4 h5 39. gxh5 Rh8
40. Nf3 Rb2 41. Re3 Kf6 42. Be8 Kf5 43. Ne1 g4 44. Bg6+ Kg5 45. Rg3 Rf8 46. Ng2
Rf3 47. h4+ Kh6 48. Rxg4 Rbxb3 49. Re4 Kg7 50. Re7+ Kf6 51. Rf7+ Ke5 52. Re7+
Kf6 53. Rd7 Ke6 54. Ra7 Rf6 55. Rg7 a4 56. h6 a3 57. h7 a2 58. Ra7 Rf8 59. Rxa2
Rc3 60. Re2+ Kd7 61. Re8 Rcf3 62. h8=Q 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.19"]
[Round "8"]
[White "Ramirez, Carlos"]
[Black "Cuartas, Jaime Alexander"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2324"]
[BlackElo "2365"]
[PlyCount "60"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5
9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 O-O-O 15.
O-O b4 16. Na4 Qa5 ({RR} 16... Qd6 17. Bf4 e5 18. Be3 Bh6 19. Qc1 Bxe3 20. Qxe3
Ba6 21. a3 Kb8 22. h4 Rdg8 23. Nxc5 Nxc5 24. axb4 Nb7 {1-0 (24) Kramnik,V
(2765)-Ivanchuk,V (2730)/Novgorod 1996/CBM 054}) ({RR} 16... Qa6 17. dxe6 Bxg2
18. Kxg2 Qxe6 19. h4 Qc6+ 20. f3 Bh6 21. a3 Bxg5 22. hxg5 Ne5 23. Qe2 Qxa4 24.
Qxe5 Qc2+ 25. Kg1 Qh2# {0-1 (25) Csomor,V (2090)-Kozak,A (1958)/Budapest 2012/
CBM 146 Extra}) 17. Re1 $146 ({RR} 17. a3 Qb5 18. axb4 cxb4 19. Be3 Nc5 20.
Bxc5 Bxc5 21. Qg4 Rdg8 22. Qf4 exd5 23. Qf5+ Kb8 24. Qe5+ Kc8 25. h4 Bc6 26.
Nxc5 Qxc5 27. Ra6 Re8 28. Qf5+ Kb7 29. Rfa1 Re1+ 30. Rxe1 Kxa6 31. Re7 Rf8 {
Lemos,D-Castillo,S (2095)/Buenos Aires 2002/CBM 090 ext/1-0 (41)}) ({RR} 17.
dxe6 Bxg2 18. Kxg2 Ne5 19. Qe2 Bd6 20. e7 Rdg8 21. Bf4 Qxa4 22. Bxe5 Qc6+ 23.
f3 Rg6 {1-0 (23) Valle,A (2215)-Itacarambi,A/Brasilia 2002/CBM 091 ext}) 17...
Nb6 18. Nxb6+ axb6 19. Qe2 exd5 20. h4 Bd6 21. b3 Rde8 22. Qf1 Qa6 23. bxc4
Qxc4 24. Qxc4 dxc4 25. Red1 Rd8 26. Rac1 Bxg2 27. Kxg2 c3 28. a3 Kc7 29. Kf3
Kc6 30. Be3 Be5 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.19"]
[Round "8"]
[White "Corradine, Jorge"]
[Black "Gamboa, Nelson"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2154"]
[BlackElo "2340"]
[PlyCount "90"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. Nf3 e6 5. e3 Bb4 6. Bd3 ({RR} 6. Bb5+ c6 7.
Ba4 Ne4 8. O-O Bxc3 9. bxc3 Nxc3 10. Qd2 Nxa4 {0-1 (10) Diers,T-Chachiachvili,
L (1360)/Lille 2013/CBM 154 Extra}) 6... Ne4 ({RR} 6... Bxd3 7. Qxd3 a6 8.
O-O-O O-O 9. Ne5 c5 10. g4 c4 11. Qe2 Bxc3 12. bxc3 Ne4 13. Qe1 f6 14. Nf3 Qa5
15. Kb2 Nd7 16. g5 Nb6 17. Rb1 Na4+ 18. Ka1 Naxc3 19. Rb2 Qa3 20. gxf6 Rxf6 21.
Qc1 {Lyons,B (2115)-Quinn,M (2397)/Bunratty 2007/CBM 117 ext/0-1}) 7. Bxe4 Bxe4
8. Nd2 $146 ({RR} 8. O-O Bxc3 9. bxc3 O-O 10. Ne5 f6 11. Nd3 b6 12. Qg4 Bf5 13.
Qg3 Rf7 14. h4 Kh8 15. f3 h6 16. Qe1 Qd7 17. e4 Bh7 18. e5 Bxd3 19. cxd3 f5 20.
Qd2 Nc6 21. Kf2 Kh7 22. Rh1 Rc8 {Vukelic,M (1909)-Sverko,M/Rijeka 2012/EXT
2013/0-1 (59)}) ({RR} 8. O-O Bxc3 9. bxc3 O-O 10. Qe2 Nd7 11. Ng5 Bg6 12. c4 h6
13. Nf3 c6 14. c5 Bh5 15. h3 f5 16. c4 Re8 17. Rab1 b6 18. cxd5 exd5 19. cxb6
axb6 20. Qc2 Bxf3 21. gxf3 Qf6 22. Rfc1 Rec8 {Cinelli,R (2044)-Vajnik,E/Buenos
Aires 2000/CBM 079 ext/1-0 (56)}) 8... Bg6 9. h4 h6 10. h5 Bf5 11. Ne2 Nd7 12.
Ng3 Bh7 13. c3 Be7 14. Nf3 O-O 15. Rh3 c5 16. Ne5 Nxe5 17. Bxe5 Qb6 18. Qd2
cxd4 19. exd4 Bg5 20. Qe2 f6 21. f4 fxe5 22. fxg5 exd4 23. cxd4 hxg5 24. h6
Qb4+ 25. Qd2 Qxd2+ 26. Kxd2 Rf2+ 27. Ke3 Rxg2 28. Nh5 Bf5 29. h7+ Kh8 30. Rg3
Rxg3+ 31. Nxg3 Kxh7 32. Rc1 Rf8 33. Nf1 Kg6 34. Nd2 g4 35. Kf4 Kf6 36. Rc7 Rh8
37. Kg3 Rh3+ 38. Kg2 Rd3 39. Nb3 Be4+ 40. Kg1 Rh3 41. Nc5 Rh1+ 42. Kf2 Rh2+ 43.
Kg1 Rxb2 44. Nd7+ Kg5 45. Ne5 g6 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.19"]
[Round "8"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Barrios, Felix"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2359"]
[BlackElo "2225"]
[PlyCount "141"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. Bg5 c6 3. c4 h6 4. Bh4 Qb6 5. Qd2 Bf5 6. Nc3 e6 7. f3 Be7 8. Bxe7
$146 ({RR} 8. Bf2 Nf6 9. g4 Bg6 10. h4 Na6 11. Nh3 Qa5 12. Nf4 Bh7 13. g5 Nd7
14. g6 Bxg6 15. Nxg6 fxg6 16. Bh3 Nc7 17. Qd3 Nf8 18. e4 dxc4 19. Qxc4 Qb4 20.
Qe2 Nb5 21. a3 Nxc3 22. Qc2 Qd6 {Chepukaitis,G (2402)-Krivko,Y (2273)/St
Petersburg 2002/CBM 086 ext/1-0 (45)}) 8... Nxe7 9. e4 Bh7 10. Nh3 Qa5 11. Nf4
dxe4 12. fxe4 e5 13. Nh5 O-O 14. d5 cxd5 15. cxd5 Nd7 16. Bd3 Nc8 17. O-O Nd6
18. Rae1 Rac8 19. Kh1 Qb4 20. Qe2 Bg6 21. Ng3 Nc5 22. a3 Qb3 23. Rb1 Nxd3 24.
Qxd3 Rc4 25. Qf3 Rfc8 26. Qg4 R8c7 27. h4 Qc2 28. Rfe1 a5 29. h5 Bh7 30. Re2
Qb3 31. Rf1 Qb6 32. Kh2 f5 33. Qh3 Rf7 34. Nxf5 Bxf5 35. exf5 Qd8 36. f6 Rxf6
37. Rxf6 Qxf6 38. Qe6+ Qxe6 39. dxe6 e4 40. Rd2 Rc6 41. Rd5 Kf8 42. Re5 Ke7 43.
Nd5+ Ke8 44. e7 Kf7 45. Nc3 b6 46. Nxe4 Ne8 47. Kg3 Re6 48. Rxe6 Kxe6 49. Kf4
Kxe7 50. Ke5 Kd7 51. a4 Nc7 52. Nc3 Na6 53. Kf5 Nc5 54. Kg6 Ne6 55. Kf7 Kd6 56.
Nd1 Ke5 57. Ne3 Nc5 58. Kxg7 Kf4 59. Kxh6 Kxe3 60. g4 Ne4 61. g5 Kf4 62. g6 Nf6
63. g7 Kf5 64. b3 Ng8+ 65. Kh7 Nf6+ 66. Kh8 Kg5 67. g8=Q+ Nxg8 68. Kxg8 Kxh5
69. Kf7 Kg5 70. Ke6 Kf4 71. Kd5 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.19"]
[Round "8"]
[White "Acosta, Alejandro"]
[Black "Clavijo, Jorge Mario"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2323"]
[BlackElo "2388"]
[PlyCount "125"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O d5 10. Kb1 Nxd4 11. e5 Nf5 12. exf6 Bxf6 13. Nxd5 Qxd5 14. Qxd5
Nxe3 15. Qd2 Nxd1 16. Qxd1 Bf5 17. Bc4 ({RR} 17. g4 Rfd8 18. Qe1 Bh4 19. Qe2
Be6 20. Bg2 Rd7 21. f4 Rad8 22. Be4 Rd2 23. Qf3 Bc4 24. Rc1 b5 25. g5 Bf2 26.
b3 Bd5 27. f5 b4 28. a3 a5 29. axb4 axb4 30. fxg6 hxg6 31. Bxd5 R8xd5 {Sipila,
V (2430)-Syrchikov,A (2208)/St Petersburg 2012/EXT 2013/1/2-1/2 (40)}) 17... b5
18. Bb3 a5 19. g4 Rfd8 $146 ({RR} 19... Bc8 20. Bd5 Ra6 21. f4 Rd6 22. Qf3 Rfd8
23. Be4 b4 24. h4 Ba6 25. g5 Bg7 26. Rc1 e6 27. h5 a4 28. h6 Bh8 29. Bd3 Bc8
30. Bc4 a3 31. bxa3 bxa3 32. Qxa3 Bb7 33. Qa5 Be4 34. a4 {Sinka,I (2314)
-Szalanczy,E (2384)/Hungary 2004/EXT 2009/1-0 (59)}) ({RR} 19... Bc8 20. Qe2
Rb8 21. Bd5 Rb6 22. Rd1 a4 23. f4 e6 24. Be4 b4 25. Qe3 Ra6 26. Qc5 a3 27. b3
Bc3 28. Qe7 e5 29. f5 Kg7 30. h4 Rf6 31. g5 Rxf5 32. Bxf5 Bxf5 33. h5 {1-0 (33)
Bubalovic,D (2313)-Szalanczy,E (2248)/Budapest 2010/CBM 138 Extra}) 20. Qe2 Bd7
21. Bd5 Rab8 22. h4 Be8 23. Be4 b4 24. f4 a4 25. g5 Bg7 26. f5 a3 27. b3 Bb5
28. Bd3 Bxd3 29. cxd3 gxf5 30. h5 Rd6 31. Rc1 e6 32. h6 Bf8 33. Rc7 Rbd8 34.
Kc2 R6d7 35. Rc4 Rd5 36. Rc7 Bd6 37. Ra7 Rc8+ 38. Kd1 Rdc5 39. Qe3 f4 40. Qd4
Rc1+ 41. Ke2 R8c2+ 42. Kf3 Rf1+ 43. Kg4 Bf8 44. Ra8 f5+ 45. gxf6 Rg2+ 46. Kh3
f3 47. f7+ Kxf7 48. Qd7+ Be7 49. Qe8+ Kf6 50. Qh8+ Kg6 51. Qg7+ Kh5 52. Ra5+
Rg5 53. Rxg5+ Bxg5 54. Qxh7 Bf4 55. Qf7+ Kg5 56. Qg7+ Kf5 57. Qg4+ Ke5 58. Qh5+
Kd4 59. Kg4 f2 60. Kxf4 Re1 61. Qh4 f1=Q+ 62. Kg5+ Ke5 63. h7 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.20"]
[Round "9"]
[White "Mosquera, Miguel"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2315"]
[BlackElo "2359"]
[PlyCount "110"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 Nxd4 5. Nxd4 exd4 6. Qxd4 Qf6 7. Qxf6 ({RR
} 7. Qd3 Bg7 8. Nc3 Ne7 9. Qg3 c6 10. Bc4 h6 11. O-O b5 12. Bb3 b4 13. Na4 O-O
14. a3 d5 15. axb4 dxe4 16. Nb6 Nf5 17. Qc7 Be6 18. Nxa8 Bxb3 19. cxb3 Rxa8 20.
Rxa7 Rd8 21. Ra6 Rd3 {Magem Badals,J (2505)-Rodriguez Vargas,O (2445)/Spain
1993/TD/1-0 (42)}) ({RR} 7. Qd3 Bg7 8. Nc3 c6 9. Bc4 Ne7 10. Be3 b5 11. Bb3 a5
12. a4 b4 13. Nd1 O-O 14. O-O d5 15. exd5 Ba6 16. Bc4 Bxc4 17. Qxc4 cxd5 18.
Qd3 d4 19. Bd2 Rac8 20. Re1 Rc7 21. b3 Rfc8 {Letay,G (2089)-Borda,L (2127)/
Budapest 2010/CBM 139 Extra/1/2-1/2 (34)}) 7... Nxf6 8. Bf4 $146 ({RR} 8. Nc3
c6 9. Be2 Bb4 10. Bd2 d5 11. exd5 Nxd5 12. O-O Nxc3 13. bxc3 Be7 14. Bh6 Bf6
15. Bc4 Bxc3 16. Rad1 Be6 17. Bxe6 fxe6 18. Rd6 Rd8 19. Rxe6+ Kf7 20. Re3 Bf6
21. Rf3 Rhe8 22. g4 g5 {Dyce,A-Vaklinov,A/Szeged 1994/TD/1-0 (41)}) ({RR} 8.
Nc3 a6 9. Ba4 b5 10. Bb3 Bb7 11. f3 d6 12. Bg5 Bg7 13. O-O-O O-O 14. Nd5 Nxd5
15. Bxd5 Bxd5 16. exd5 Rfe8 17. Rhe1 Kf8 18. Bd2 Rxe1 19. Rxe1 Re8 20. b3 Rxe1+
21. Bxe1 Ke7 22. Kd2 Kd7 {Brinckmann,A-Krueger,P/Frankfurt 1923/HCL/1/2-1/2
(36)}) 8... c6 9. Bd3 d5 10. Nc3 dxe4 11. Nxe4 Nxe4 12. Bxe4 Bg7 13. O-O-O Bg4
14. Bf3 Be6 15. Rhe1 O-O 16. Be5 f6 17. Bd4 Kf7 18. b3 h5 19. h4 Rfd8 20. a4
Bf8 21. Kb2 Bg4 22. Bxg4 hxg4 23. Be3 Bd6 24. g3 Be5+ 25. c3 b5 26. Kc2 bxa4
27. bxa4 Rd5 28. Rb1 Ke6 29. Rb7 Kf5 30. Reb1 a5 31. R1b6 Rc8 32. Rg7 Re8 33.
Rxc6 Bxg3 34. fxg3 Rxe3 35. Rf7 Rxg3 36. Rfxf6+ Ke4 37. Rce6+ Re5 38. Rxg6 Rxe6
39. Rxe6+ Kf3 40. c4 Rh3 41. Rf6+ Kg2 42. c5 Rxh4 43. c6 g3 44. Kb3 Rb4+ 45.
Kc3 Rb1 46. Kd2 Rb8 47. Kd3 Kh2 48. Kd4 g2 49. Rh6+ Kg3 50. Rg6+ Kf2 51. Kd5
g1=Q 52. Rxg1 Kxg1 53. c7 Rh8 54. Kc6 Kf2 55. Kb6 Rc8 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.20"]
[Round "9"]
[White "Garavito, Miguel Angel"]
[Black "Corradine, Jorge"]
[Result "1-0"]
[ECO "E17"]
[BlackElo "2154"]
[PlyCount "44"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 d5 7. cxd5 exd5 8. Ne5
({RR} 8. Qa4+ c6 9. Ne5 O-O 10. Nc3 b5 11. Qc2 Na6 12. Rd1 Re8 13. Bf4 Qb6 14.
Qb3 Nc7 15. a4 b4 16. a5 Qa6 17. Na4 Ne6 18. Nc5 Nxd4 19. Rxd4 Bxc5 20. Rd2 Bf8
{1/2-1/2 (20) Illescas Cordoba,M (2545)-Spassky,B (2560)/France 1991/TD}) ({RR
} 8. Qa4+ c6 9. Ne5 O-O 10. Nc3 a5 11. Rd1 Qd6 12. Bf4 Qe6 13. Qb3 Nfd7 14. e4
a4 15. Nxa4 dxe4 16. Qxe6 fxe6 17. Nc3 c5 18. Nxe4 cxd4 19. Rxd4 Nxe5 20. Bxe5
Nc6 21. Rd7 Bc8 22. Rc7 Nxe5 {Thorarinsson,P (2222)-Burger,H (2120)/Berlin
2013/CBM 156 Extra/1-0 (56)}) 8... O-O 9. Qc2 $146 ({RR} 9. Nd2 Nbd7 10. Ndf3
c5 11. b3 Rc8 12. Bb2 Ne4 13. Nxd7 Qxd7 14. dxc5 Bxc5 15. Rc1 Rfe8 16. Qd3 Qe7
17. Nd4 g6 18. Bh3 f5 19. Rc2 Rcd8 20. Rfc1 a5 21. a3 Rd7 22. a4 h5 23. Qf3 Qf7
{Sychevsky,A (1871)-Timushev,A (2110)/Lvov 2011/CBM 141 Extra/0-1 (65)}) 9...
c5 10. dxc5 bxc5 11. Nc3 Qc8 12. Qb3 Rd8 13. Rd1 Na6 14. Nxd5 Bxd5 15. Bxd5
Rxd5 16. Rxd5 Rb8 17. Qf3 Qe6 18. Nc6 Qxc6 19. Rd8+ Rxd8 20. Qxc6 Rd1+ 21. Kg2
Nb4 22. Qa4 Rd6 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.20"]
[Round "9"]
[White "Gamboa, Nelson"]
[Black "Acosta, Alejandro"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2340"]
[BlackElo "2323"]
[PlyCount "102"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Re1
Qc7 9. c3 Bd7 10. Qe2 f6 11. Nh4 ({RR} 11. b3 d4 12. cxd4 cxd4 13. Nc4 Bb4 14.
Bd2 b5 15. Bxb4 Nxb4 16. a3 bxc4 17. axb4 cxd3 18. Qxd3 e5 19. Qc4+ Qxc4 20.
bxc4 a6 21. Nxd4 exd4 22. e5 Rad8 23. exf6 Nc6 24. Bd5+ Kh8 25. fxg7+ Kxg7 {De
Giorgi,S (2102)-Korneev,O (2630)/Gallipoli 2013/CBM 154 Extra/0-1 (36)}) 11...
Rfe8 $146 ({RR} 11... g5 12. Nhf3 Ng6 13. h4 h6 14. h5 Nge7 15. a3 a6 16. d4
cxd4 17. cxd4 Rac8 18. b4 Qb6 19. Nb3 Nd8 20. e5 fxe5 21. dxe5 Bb8 22. Be3 Qb5
23. Qd2 Qc4 24. Nbd4 Qc3 25. Bxg5 hxg5 26. Qxg5+ {Dudas,E (2040)-Mizsei,J
(2161)/Budapest 2007/CBM 117 ext/1-0 (64)}) ({RR} 11... b5 12. f4 d4 13. Ndf3
e5 14. f5 Be8 15. g4 h6 16. Bf1 Bf7 17. Ng2 c4 18. h4 Bc5 19. Kh1 Rfd8 20. dxc4
Bxc4 21. Qc2 dxc3 22. bxc3 Na5 23. g5 hxg5 24. hxg5 Qb6 25. Ne3 Bxf1 26. Nxf1 {
Kurtenkov,A (2390)-Spassov,L (2455)/Varna 1995/EXT 2002/1-0 (46)}) ({RR} 11...
b5 12. f4 d4 13. Ndf3 e5 14. f5 Be8 15. Kh1 Bf7 16. g4 h6 17. Rg1 c4 18. Ng6
cxd3 19. Qxd3 Nxg6 20. fxg6 Bc4 21. Qd1 dxc3 22. bxc3 Bc5 23. Re1 Rad8 24. Qc2
Qd7 25. a4 a6 26. axb5 {Schein,K (2241)-Lenz,A (2213)/Austria 2007/EXT 2008/
0-1 (57)}) 12. f4 b5 13. Nhf3 Ng6 14. h4 Nf8 15. e5 Be7 16. exf6 Bxf6 17. Nh2
b4 18. Ng4 Be7 19. Nf3 bxc3 20. bxc3 Bd6 21. Nfe5 Rab8 22. h5 h6 23. Kh2 Ne7
24. Nxd7 Qxd7 25. Ne5 Qc7 26. Qg4 Qa5 27. Bd2 Rb2 28. Re2 Nf5 29. Ng6 d4 30.
Nxf8 Rxf8 31. Be1 dxc3 32. Rxe6 Qb5 33. Rc1 Rxg2+ 34. Kxg2 Qb2+ 35. Bf2 Qxc1
36. Qg6 Qd2 37. Re8 Qxd3 38. Qe6+ Kh8 39. Qf7 Qe4+ 40. Rxe4 Rxf7 41. Rc4 Rb7
42. Rxc3 Rb2 43. Kf1 Rxa2 44. g4 Nd4 45. g5 Kg8 46. g6 Kf8 47. f5 Ra4 48. Kg2
a5 49. Rc1 Rb4 50. Be3 Rb2+ 51. Kf1 Nxf5 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.20"]
[Round "9"]
[White "Cuartas, Jaime Alexander"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2365"]
[BlackElo "2454"]
[PlyCount "172"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8.
Nd2 Be7 9. Re1 O-O ({RR} 9... a5 10. c3 Ba6 11. Bc2 Qc7 12. Qf3 Bd6 13. Qh3 O-O
14. exd5 cxd5 15. Nf3 Bf4 16. Qh4 Bxc1 17. Raxc1 Qc4 18. Nd4 Qxa2 19. Re3 h6
20. Rg3 Kh8 21. Rxg7 Kxg7 22. Qg3+ Kh8 23. Qe5 Kg7 24. Qg3+ {Benjamin,J (2554)
-Shulman,Y (2549)/San Diego 2004/CBM 105/1/2-1/2 (35)}) 10. b3 ({RR} 10. e5 Nd7
11. c3 f5 12. exf6 Bxf6 13. Qh5 g6 14. Bxg6 hxg6 15. Qxg6+ Bg7 16. Qxe6+ Rf7
17. Qxc6 Rb8 18. Nf3 Rxf3 19. gxf3 Ne5 20. Rxe5 Bxe5 21. Qg6+ Bg7 22. Bg5 Qf8
23. Re1 Rb6 24. Qd3 Qf5 {Novichkov,V (2371)-Stukopin,A (2500)/Moscow 2013/CBM
153 Extra/0-1 (44)}) 10... a5 11. Qe2 $146 ({RR} 11. Bb2 Ba6 12. c4 a4 13. Re3
d4 14. Rh3 e5 15. f4 Bc8 16. f5 Nd7 17. Nf3 Qb6 18. Rb1 axb3 19. axb3 c5 20.
Bc1 f6 21. Nh4 Rd8 22. Qh5 Nf8 23. Bh6 g6 24. fxg6 Bxh3 25. gxh7+ {1-0 (25)
Cuartas,J (2365)-Acosta,A (2323)/Fusagasuga 1999/CBM 073 ext}) ({RR} 11. Bb2 a4
12. Re3 a3 13. Bxf6 Bxf6 14. e5 Bg5 15. Rh3 f5 16. Nf3 Be7 17. Qe2 Rf7 18. c4
d4 19. Nd2 c5 20. f4 g5 21. fxg5 Bxg5 22. Nf1 Bb7 23. Qh5 Rg7 24. Rg3 Qe7 25.
Be2 Rf8 {Belyakov,B (2301)-Movsesian,S (2716)/Olginka 2011/CBM 142/0-1 (47)})
11... a4 12. Bb2 Qb6 13. e5 Nd7 14. Qh5 g6 15. Qh6 axb3 16. Re3 Re8 17. Rh3 Nf8
18. cxb3 Ba3 19. Bc3 Bb4 20. Bb2 Ba3 21. Bc3 Bb4 22. Bb2 Qa5 23. Nf1 Ba6 24.
Bxa6 Qxa6 25. Ng3 Qa5 26. Nf1 Qb5 27. Rf3 Qe2 28. Qf4 Ra7 29. Bc1 Ba5 30. Be3
Rd7 31. b4 Bc7 32. a3 f5 33. h4 g5 34. Qxg5+ Rg7 35. Qh5 Ng6 36. Rc1 d4 37. Bh6
Rd7 38. Rxf5 Qxh5 39. Rxh5 Nxe5 40. Rg5+ Kh8 41. Rd1 Rg8 42. Rxg8+ Kxg8 43. Nd2
Ng4 44. Ne4 Kf7 45. Bc1 h5 46. f3 Ne5 47. Nc5 Rd5 48. Kf2 Bb6 49. Ne4 d3+ 50.
Ke1 Nc4 51. a4 Kg6 52. Bd2 Be3 53. Rb1 Kf5 54. Bxe3 Nxe3 55. Kf2 Nc4 56. b5
cxb5 57. Rxb5 Rxb5 58. axb5 Ke5 59. Nc5 d2 60. Ke2 Ne3 61. Kxd2 Nxg2 62. b6 Kd6
63. Nxe6 Kc6 64. Nd4+ Kxb6 65. Nf5 Kc6 66. Ke2 Kd7 67. Kf2 Nf4 68. Ne3 Ke6 69.
Ng2 Nd5 70. f4 Kf6 71. Kf3 Ne7 72. Ne3 Ng6 73. Kg3 Ne7 74. Nf1 Nf5+ 75. Kh3 Kg6
76. Ng3 Ne3 77. Kh2 Nf5 78. Kh3 Ne3 79. Ne2 Nf5 80. Ng1 Kf6 81. Nf3 Ke6 82. Nd2
Kd5 83. Nf1 Ke4 84. Ng3+ Kxf4 85. Nxh5+ Ke5 86. Ng3 Nxh4 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.20"]
[Round "9"]
[White "Clavijo, Jorge Mario"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2388"]
[BlackElo "2324"]
[PlyCount "43"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O a5 13. Bg5 h6 14. Bxe7
Re8 15. Bd6 ({RR} 15. Rc1 Qe6 16. Ba3 Qxe4 17. Bb5 Rd8 18. Re1 Qf5 19. Bd3 Qh5
20. Be7 Re8 21. Bf6 Rf8 22. Be7 Re8 23. Bf6 Rf8 24. Be7 {1/2-1/2 (24)
Khalifman,A (2650)-Dvoirys,S (2590)/Elista 1997/CBM 059}) 15... Rxe4 16. Rc1
Qe6 $146 ({RR} 16... Bf5 17. Bc4 Qb2 18. Rb1 Qc3 19. Bd5 Nd7 20. Rb3 Rxd4 21.
Nxd4 Qxd4 22. Rxb7 Rc8 23. Qxd4 Bxd4 24. h3 h5 25. Rd1 Bf6 26. Bb3 Rc3 27. Bf4
Kg7 28. Be3 Ne5 29. Rc1 Rd3 30. Bc2 Rd7 31. Rxd7 {Khalifman,A (2645)-Dvoirys,S
(2585)/Samara 1998/CBM 067/1-0 (54)}) 17. Bd3 Rg4 18. Re1 Qxd6 19. Rxc8+ Kh7
20. Qa4 h5 21. Qb5 Kh6 22. Qxb7 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.20"]
[Round "9"]
[White "Barrios, Felix"]
[Black "Saladen Dulce, Rafael"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2225"]
[BlackElo "2300"]
[PlyCount "55"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. d4 g6 5. e4 Nb6 6. Nc3 Bg7 7. Be2 Bg4 8.
Be3 Nc6 ({RR} 8... O-O 9. O-O Nc6 10. d5 Bxf3 11. Bxf3 Ne5 12. Bxb6 axb6 13.
Be2 Nd7 14. Na4 c6 15. dxc6 bxc6 16. Qc2 b5 17. Nc5 Nxc5 18. Qxc5 Bxb2 19. Rad1
Qe8 20. Qc2 Bg7 21. f4 Ra4 22. e5 Qa8 23. Rd2 {Heydarli,K (2278)-Artemiev,V
(2560)/Baku 2013/CBM 156 Extra/0-1 (46)}) 9. d5 Bxf3 10. gxf3 Na5 $146 ({RR}
10... Ne5 11. Bd4 g5 12. O-O O-O 13. Kh1 Kh8 14. Rg1 h6 15. f4 Ng6 16. fxg5
hxg5 17. Rxg5 Bxd4 18. Qxd4+ e5 19. Qe3 Nd7 20. Rh5+ Kg7 21. Qh6+ Kf6 22. Rg1
Ke7 23. Rf5 a6 24. Bh5 Rh8 25. Rxf7+ {Bjornsson,T-McCurdy,F/Harrachov 1967/MCD/
1-0}) 11. Bd4 e5 12. Bxb6 cxb6 13. b4 Rc8 14. Nb5 a6 15. bxa5 axb5 16. Bxb5+
Ke7 17. a6 Rc5 18. a4 bxa6 19. Bxa6 Bh6 20. Rb1 Qd6 21. Kf1 Rd8 22. Qb3 Qf6 23.
Ke2 Rd6 24. Rb2 Rd7 25. Bb5 Rdc7 26. Bc6 Kf8 27. Qxb6 Rc3 28. Qb4+ 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.21"]
[Round "10"]
[White "Zapata, Alonso"]
[Black "Clavijo, Jorge Mario"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2454"]
[BlackElo "2388"]
[PlyCount "91"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 Bxd4 13. Qxd4 Qb6 14. Na4
Qc7 ({RR} 14... Qa5 15. b3 Qc7 16. Re1 Nb6 17. Nc3 a5 18. Qe5 Qxe5 19. Rxe5 Be6
20. a4 Rfc8 21. Ne2 Kf8 22. Nf4 Bd7 23. Nd3 f6 24. Rc5 e5 25. Be2 Be6 26. Re1
Ke7 27. Bf1 Kd6 28. Rc3 Nd5 29. Rc4 {Leko,P (2762)-Radjabov,T (2757)/Nanjing
2009/CBM 133/1/2-1/2 (32)}) 15. h4 Rb8 16. b3 $146 ({RR} 16. a3 Bf5 17. g4 e5
18. Qc5 Be6 19. Bd3 e4 20. Bxe4 Qf4+ 21. Kb1 Bxg4 22. Rd4 Nb6 23. fxg4 Rbd8 24.
Rxd8 Rxd8 25. Qe7 Rd4 26. Nxb6 Rxe4 27. Qxa7 Qxg4 28. Qa8+ Kg7 29. Qxc6 Kh6 30.
a4 Re6 {Kovacevic,A (2564)-Ristic,N (2437)/Kragujevac 2013/CBM 156 Extra/1-0
(41)}) ({RR} 16. a3 h5 17. Bc4 e5 18. Qc5 Qd7 19. Rhe1 Qf5 20. Re4 Be6 21. Qd6
Rfd8 22. Qxe5 Qxe5 23. Rxe5 Nf4 24. Rxd8+ Rxd8 25. Bxe6 Nxe6 26. Nc5 Nf4 27. g3
Nd5 28. c4 Nb6 29. b3 Kf8 30. Kc2 Nc8 {Saric,I (2649)-Rogozenco,D (2536)/
Plovdiv 2012/CBM 148/1-0 (44)}) 16... h5 17. c4 Nf6 18. Bd3 Rd8 19. Qe3 Be6 20.
Bxg6 Bxc4 21. Bc2 Rxd1+ 22. Rxd1 Bd5 23. Qg5+ Kf8 24. Qh6+ Kg8 25. Re1 Qd6 26.
Kb1 Rb7 27. Qg5+ Kf8 28. Nc3 Rb4 29. Qh6+ Kg8 30. Qe3 Rb7 31. Qg5+ Kf8 32. Re3
Rb4 33. Qh6+ Kg8 34. Nxd5 cxd5 35. Rc3 Qb8 36. Rc6 Rb7 37. Bf5 Rxb3+ 38. axb3
Qxb3+ 39. Kc1 Qa3+ 40. Kd2 Qb4+ 41. Kd1 Qa4+ 42. Rc2 Qa1+ 43. Ke2 Qe5+ 44. Be4
Qe6 45. Rd2 Qa6+ 46. Bd3 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.21"]
[Round "10"]
[White "Saladen Dulce, Rafael"]
[Black "Mosquera, Miguel"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "2300"]
[BlackElo "2315"]
[PlyCount "138"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
O-O 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qb3 Qb6 12. Rd1 Nbd7 13. Qc2 ({RR} 13. g3 Rad8
14. Bf1 e5 15. Bg2 Rfe8 16. Na2 Bd6 17. Qxb6 Nxb6 18. a5 Nbd5 19. a6 bxa6 20.
Nc3 Nb4 21. Kf1 exd4 22. exd4 c5 23. dxc5 Bxc5 24. Rxd8 Rxd8 25. Bg5 Re8 26.
Rd1 Ng4 27. Ne4 Bf8 {Vaganian,R (2617)-Sakaev,K (2648)/Bugojno 1999/CBM 074/
1-0 (61)}) ({RR} 13. Bd2 Rad8 14. Be1 c5 15. d5 Bxc3 16. Bxc3 Qxb3 {1/2-1/2
(16) Jameson,D (2088)-Jones,R (2369)/Cardiff 2011/CBM 142 Extra}) 13... Qc7
$146 ({RR} 13... Rad8 14. Na2 Be7 15. b4 a5 16. bxa5 Qxa5 17. Bd2 Qa7 18. Nc3
Nb6 19. Bb3 Nbd5 20. a5 Bb4 21. Nxd5 Nxd5 22. Bxd5 Bxd2 23. Bxe6 Bxa5 24. Bb3
Rd6 25. e4 c5 26. e5 Rc6 27. d5 Rcc8 28. d6 {Braun,A (2533)-Chadaev,N (2535)/
Neustadt 2008/CBM 126 Extra/1-0 (34)}) ({RR} 13... c5 14. d5 Ne5 15. b3 Bxc3
16. Qxc3 exd5 17. Bxd5 Rad8 18. e4 Nxe4 19. Qxe5 Rfe8 20. Qb2 Nf6 21. Bxf7+
Kxf7 22. Rf1 Rd3 23. Rb1 Qe6 24. Qc2 Qd5 25. Be3 b6 26. h3 Ne4 27. a5 bxa5 28.
Rfc1 {Schussler,H (2525)-Bang,A (2280)/Copenhagen 1988/CBM 010/1/2-1/2 (77)})
14. g3 Be7 15. a5 Rad8 16. Bd2 a6 17. Na4 c5 18. Bf1 Rc8 19. Rac1 Qb8 20. Qb3
Ne4 21. Be1 cxd4 22. exd4 Rxc1 23. Rxc1 Rc8 24. Rd1 Qc7 25. Bg2 Ndf6 26. Nc3
Nd6 27. Ra1 Qc4 28. Qxc4 Rxc4 29. Ra4 Rc7 30. Bd2 Nb5 31. Bf4 Rd7 32. Nxb5 axb5
33. Ra1 Nd5 34. Bd2 Rc7 35. Bf1 Bf6 36. Bxb5 Rc2 37. Bc3 Nxc3 38. bxc3 Rxc3 39.
Ra4 Rc1+ 40. Kg2 Rd1 41. Kf3 Bxd4 42. Ke2 Rb1 43. Rxd4 Rxb5 44. Rd8+ Kh7 45.
Ra8 g5 46. h3 Kg6 47. a6 bxa6 48. Rxa6 Rb3 49. Rc6 Kf6 50. Ra6 Rb8 51. Kf3 Rh8
52. Kg2 g6 53. Ra5 Rh5 54. Ra6 Kg7 55. Ra7 Rh8 56. Ra5 f5 57. Ra6 Kf6 58. Ra7
Rd8 59. Rb7 Rd6 60. Rb8 e5 61. Rh8 e4 62. Kf1 Rd1+ 63. Ke2 Rh1 64. f3 exf3+ 65.
Kxf3 Rxh3 66. Ra8 f4 67. Ra6+ Kg7 68. Kg2 Rxg3+ 69. Kh2 Rc3 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.21"]
[Round "10"]
[White "Ramirez, Carlos"]
[Black "Gamboa, Nelson"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2324"]
[BlackElo "2340"]
[PlyCount "175"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. Nf3 d6 5. a4 Nf6 6. Be2 O-O 7. O-O Bg4 8. Be3
Nbd7 9. a5 e5 10. h3 Bxf3 11. Bxf3 Qe7 12. Re1 Ne8 $146 ({RR} 12... Rfd8 13. g3
h6 14. Bg2 Kh7 15. Qd2 a6 16. Rad1 Rac8 17. b3 Ne8 18. d5 Nef6 19. Na4 cxd5 20.
exd5 Ne8 21. c4 f5 22. f4 e4 23. Nb6 Nxb6 24. Bxb6 Rd7 25. Qc2 Qf6 26. Bd4 Qd8
27. Bb6 {Hawelko,M (2410)-Varasdy,I (2330)/Berlin West 1988/TD/1-0 (53)}) 13.
dxe5 dxe5 14. Be2 Nc5 15. Bc4 Nc7 16. Qb1 N5e6 17. Na4 Kh8 18. Qa2 Nd4 19. c3
Nc2 20. Bc5 Qh4 21. Bxf8 Rxf8 22. Nc5 Nxa1 23. Qxa1 f5 24. Qd1 Rd8 25. Qe2 b6
26. axb6 axb6 27. Ne6 Nxe6 28. Bxe6 Qxe4 29. Qxe4 fxe4 30. Kf1 Rd2 31. Re2 Rd6
32. Ba2 Bh6 33. Bb1 Bc1 34. b3 Bd2 35. c4 Bc3 36. Bc2 Kg7 37. g3 Rd8 38. Bxe4
Rd1+ 39. Kg2 c5 40. Re3 Bd4 41. Re2 Ra1 42. Bc2 Rc1 43. Kf3 Kf6 44. h4 Rg1 45.
Ke4 Rg2 46. Kf3 Rh2 47. Rd2 h6 48. Be4 g5 49. hxg5+ Kxg5 50. Re2 h5 51. Bc6 Kf6
52. Bd7 Kg5 53. Be8 Rh1 54. Bd7 Rc1 55. Ke4 Rc3 56. Ba4 Rc1 57. Bd7 Rf1 58. Kf3
Rb1 59. Ba4 Rd1 60. Ke4 Rh1 61. Kf3 h4 62. gxh4+ Rxh4 63. Re4 Rh3+ 64. Kg2 Rd3
65. f3 Kf5 66. Bd7+ Kf6 67. Ba4 Be3 68. Kf1 Bf4 69. Kf2 Rd1 70. Re2 Ke7 71. Kg2
Kd6 72. Bb5 Rb1 73. Ba4 Kc7 74. Kh3 Kb7 75. Ra2 Re1 76. Kg4 Rd1 77. Kf5 Rd3 78.
Kg4 Rc3 79. Ra1 Be3 80. Rh1 Bd4 81. Kf5 Rxf3+ 82. Ke4 Rf8 83. Rh4 Ka6 84. Rg4
Ka5 85. Rh4 Rf6 86. Rg4 Rh6 87. Kd3 Rh3+ 88. Kd2 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.21"]
[Round "10"]
[White "Garavito, Miguel Angel"]
[Black "Barrios, Felix"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "2225"]
[PlyCount "82"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 c5 3. dxc5 e6 4. a3 Bxc5 5. b4 Be7 6. Bb2 ({RR} 6. e3 O-O 7.
c4 a5 8. b5 b6 9. Bb2 Bb7 10. Be2 d6 11. O-O Nbd7 12. Nbd2 e5 13. Ne1 Rc8 14.
Rc1 Rc7 15. Bf3 e4 16. Be2 Nc5 17. Nc2 Nd3 18. Bxd3 exd3 19. Nd4 d5 20. Qb3 Ne4
{Beeke,B (2253)-Thesing,M (2412)/Vlissingen 2012/CBM 149 Extra/0-1 (39)}) 6...
a5 7. b5 Qc7 $146 ({RR} 7... O-O 8. e3 d6 9. c4 Nbd7 10. Be2 Nc5 11. O-O Qc7
12. Nc3 Rd8 13. Rc1 Bd7 14. Na4 Nfe4 15. Nxc5 Nxc5 16. Ne1 a4 17. Nd3 Nb3 18.
Rc2 Rac8 19. Nb4 Be8 20. Bd3 Bf8 21. Rc3 g6 22. Rc2 {Keres,P-Geller,E/Curacao
1962/Candidates/1/2-1/2 (32)}) ({RR} 7... O-O 8. e3 d6 9. Be2 Nbd7 10. O-O Nc5
11. c4 e5 12. a4 Be6 13. Nc3 Rc8 14. Nd5 Nfd7 15. Nd2 Nb6 16. Bf3 Bxd5 17. Bxd5
Qd7 18. Bc3 Bd8 19. Ra3 Ncxa4 20. Rxa4 Nxd5 21. Bxa5 Bxa5 22. Rxa5 {Garcia,
R-Keres,P/Buenos Aires 1964/MCL/0-1}) 8. e3 b6 9. Nbd2 Bb7 10. Bd3 d6 11. c4
Nbd7 12. Rc1 Nc5 13. Bb1 Rc8 14. O-O Qb8 15. Nd4 O-O 16. f3 Rfd8 17. e4 Nfd7
18. Qe2 Na4 19. Ba1 Bf8 20. Kh1 g6 21. f4 Bg7 22. f5 exf5 23. exf5 Re8 24. Qf2
Ne5 25. Qf4 Nc5 26. Rc3 Qa8 27. Rg3 Ned3 28. Qg4 Bxg2+ 29. Rxg2 Ne1 30. fxg6
fxg6 31. Nc6 Nxg2 32. Qxg2 Bxa1 33. Bxg6 Bg7 34. Bxh7+ Kxh7 35. Rf7 Re1+ 36.
Nf1 Ne6 37. Ra7 Rf8 38. Qh3+ Kg8 39. Rxa8 Rxa8 40. Kg2 Nf4+ 41. Kg3 Nxh3 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.21"]
[Round "10"]
[White "Corradine, Jorge"]
[Black "Acosta, Alejandro"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2154"]
[BlackElo "2323"]
[PlyCount "66"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Bg4 7. O-O Nfd7 8. h3
Bxf3 9. Bxf3 Nc6 10. Be3 e5 11. d5 Nd4 12. g3 ({RR} 12. Bxd4 exd4 13. Ne2 Qf6
14. Nc1 a5 15. Nd3 a4 16. g3 Ne5 17. Nxe5 dxe5 18. c5 Bh6 19. b4 axb3 20. Qxb3
Ra5 21. Be2 Rxc5 22. Qxb7 Bd2 23. a4 Qd6 24. Bb5 Bc3 25. Ra2 Ba5 26. Qa7 Bc3 {
Bai,J (2262)-Sriram,J (2436)/Mumbai 2012/CBM 148 Extra/1/2-1/2}) ({RR} 12. Nb5
Nxf3+ 13. Qxf3 f5 14. Nc3 Qh4 15. Qg3 Qxg3 16. fxg3 fxe4 17. Nxe4 Nf6 18. Nxf6+
Rxf6 19. Rxf6 Bxf6 20. Rf1 Be7 21. Kf2 c6 22. Ke2 a6 23. b3 Rc8 24. Kd3 b5 25.
Rc1 cxd5 26. cxd5 Rxc1 {Kanter,L (1924)-Barthel,A (2194)/Neustadt an der
Weinstrasse 2012/EXT 2013/1/2-1/2 (46)}) 12... c5 13. dxc6 bxc6 14. Bg2 Qa5
$146 ({RR} 14... Rb8 15. b3 Nc5 16. Qd2 f5 17. exf5 gxf5 18. Rad1 Nce6 19. Ne2
c5 20. Bd5 Kh8 21. f4 Nc7 22. Bg2 Rb6 23. Nc3 Ra6 24. Bb7 Rb6 25. Bg2 Qe8 26.
Nd5 Nxd5 27. Bxd5 e4 28. Bxd4 cxd4 29. Rde1 {Trevelyan,J (2205)-Rees,I (2257)/
Hensol Park 2007/CBM 118 ext/1/2-1/2 (45)}) 15. Ne2 c5 16. a3 Qa6 17. Rc1 Rab8
18. Bxd4 cxd4 19. Rc2 Rb7 20. Nc1 Rc8 21. Re1 Nc5 22. Bf1 Qc6 23. Bd3 a5 24. h4
Rcb8 25. Qe2 Bh6 26. Rd1 Bxc1 27. Rdxc1 Rb3 28. Rd1 Qb6 29. Rdd2 Na4 30. c5
Nxc5 31. Bc4 d3 32. Bxd3 Ne6 33. Bc4 Rxg3+ 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.21"]
[Round "10"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Cuartas, Jaime Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2359"]
[BlackElo "2365"]
[PlyCount "51"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. Bg5 c6 3. Nc3 Bf5 4. e3 Qb6 ({RR} 4... f6 5. Bh4 Nd7 6. Bd3 Bxd3 7.
cxd3 e5 8. dxe5 Nxe5 9. Nge2 Qd7 10. Bg3 Nh6 11. O-O Nf5 12. Re1 Nxg3 13. Nxg3
O-O-O 14. d4 Nf7 15. Rc1 Kb8 16. Na4 Bb4 17. Nc5 Qc8 18. Re2 h5 19. Rec2 {
Hoeren,A (2103)-Block,W (2089)/Germany 2012/EXT 2013/0-1 (41)}) 5. Bd3 $146 ({
RR} 5. Rb1 Nd7 6. Nf3 Ngf6 7. Bd3 Bxd3 8. cxd3 e6 9. O-O h6 10. Bh4 g5 11. Bg3
Nh5 12. Ne5 Ndf6 13. b4 Rc8 14. b5 Qa5 15. bxc6 bxc6 16. Qb3 Bg7 17. Qb7 O-O
18. Nxc6 Qxc3 19. Rfc1 Rxc6 {Druckenthaner,A (2301)-Schweitzer,W (2089)/Vienna
2010/CBM 137 Extra/1-0}) ({RR} 5. Rb1 e6 6. Bd3 Bxd3 7. Qxd3 Be7 8. Nf3 Qa6 9.
O-O Qxd3 10. cxd3 Nd7 11. b4 Bxg5 12. Nxg5 Ngf6 13. h3 h6 14. Nf3 Ke7 15. Nd2
Rhc8 16. Nb3 Rc7 17. Rfc1 Rac8 18. Rc2 Kd8 19. Rbc1 Ne8 {Rogers,I (2505)-Orr,M
(2375)/telex 1989/EXT 2000/1-0 (46)}) ({RR} 5. Rb1 e6 6. Bd3 Be7 7. Nf3 Bg4 8.
Bf4 Nf6 9. O-O Nbd7 10. b4 O-O 11. h3 Bh5 12. Rb3 Qd8 13. a4 b6 14. Ba6 Ne4 15.
Nxe4 dxe4 16. g4 Bg6 17. Nd2 Bg5 18. Bh2 e5 19. dxe5 Qe7 {Phildius,B (2180)
-Froehlich,P (2230)/Bayern 1997/EXT 2000/1/2-1/2 (75)}) 5... Qxb2 6. Nge2 Bxd3
7. cxd3 Qb6 8. Rb1 Qc7 9. Qb3 b6 10. O-O e6 11. e4 Be7 12. f4 Nd7 13. exd5 exd5
14. Ng3 Bxg5 15. fxg5 Nf8 16. Nxd5 cxd5 17. Rbe1+ Ne6 18. Qxd5 Rd8 19. Qf5 Nf6
20. gxf6 g6 21. Rxe6+ fxe6 22. f7+ Kd7 23. Qf6 Qd6 24. Ne4 Qe7 25. Qe5 Rhf8 26.
d5 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.22"]
[Round "11"]
[White "Mosquera, Miguel"]
[Black "Garavito, Miguel Angel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2315"]
[PlyCount "84"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 a6 6. Bxc6 bxc6 7. e5 ({RR} 7.
c3 Nh6 8. d4 cxd4 9. cxd4 O-O 10. Nc3 d6 11. h3 f6 12. Be3 Nf7 13. Qd2 Bd7 14.
Rac1 Rb8 15. b3 a5 16. Qe2 g5 17. Nd2 e6 18. f4 f5 19. fxg5 Nxg5 20. Bxg5 Qxg5
21. e5 c5 {Villavicencio Martinez,A (2275)-Pavlovic,M (2505)/Linares 1997/CBM
058/1-0 (39)}) ({RR} 7. Nc3 e5 8. d3 Ne7 9. Be3 d6 10. h3 Rb8 11. b3 O-O 12.
Nh2 f5 13. f3 h6 14. Ne2 Kh7 15. c3 Qb6 16. exf5 Nxf5 17. Bf2 d5 18. b4 d4 19.
bxc5 Qxc5 20. c4 Qa3 21. Rb1 Bd7 {Motycakova,M (2087)-Kozel,J (1969)/Frydek
Mistek 2012/CBM 147 Extra/1/2-1/2}) 7... Nh6 8. d3 Nf5 9. Nbd2 $146 ({RR} 9. b3
O-O 10. Bb2 a5 11. a4 d5 12. Nbd2 Rb8 13. Rb1 e6 14. Ba3 Ba6 15. Bxc5 Re8 16.
Qc1 Bf8 17. Bxf8 Rxf8 18. Nf1 Qb6 19. Ng3 Nd4 20. Nxd4 Qxd4 21. Qd2 Qb4 22. Qg5
Qd4 23. Qf6 Rb4 {Kopnicky,V (2104)-Jusko,P (1920)/Slovakia 2011/EXT 2013/1-0
(40)}) 9... O-O 10. Ne4 Qb6 11. Rb1 d5 12. exd6 exd6 13. Bg5 f6 14. Bd2 d5 15.
Nc3 Bd7 16. Na4 Qa7 17. Ba5 Rab8 18. c4 Rfe8 19. Qc2 Bf8 20. b3 Be6 21. Bc3 Kf7
22. Bb2 dxc4 23. dxc4 Nd4 24. Qc3 Rbd8 25. Nxd4 cxd4 26. Qf3 c5 27. Ba3 Qc7 28.
Rbd1 Rd7 29. Bc1 Rde7 30. Bf4 Bg4 31. Qd5+ Kg7 32. Rxe7+ Qxe7 33. f3 Bf5 34. g4
Bd7 35. Nxc5 Qxc5 36. Qxd7+ Re7 37. Qxd4 Qxd4+ 38. Rxd4 Re2 39. Rd7+ Kg8 40.
Rd2 Bc5+ 41. Kf1 Rxd2 42. Bxd2 Kf7 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.22"]
[Round "11"]
[White "Gamboa, Nelson"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2340"]
[BlackElo "2454"]
[PlyCount "145"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5
Be6 9. Bxf6 gxf6 10. N1c3 a6 11. Na3 Ne7 12. Nc4 d5 13. exd5 Nxd5 14. Nxd5 Bxd5
15. Ne3 Be6 $146 ({RR} 15... Bc6 16. Bc4 Qxd1+ 17. Rxd1 Rc8 18. Bd5 Bxd5 19.
Rxd5 Ke7 20. Ke2 Ke6 21. Rhd1 f5 22. g3 f4 23. gxf4 exf4 24. Ng2 Rxc2+ 25. Kf3
Bc5 26. Nxf4+ Kf6 27. Nd3 Rc8 28. Rd7 b5 29. Re1 Kg7 30. Re4 {Karpov,A (2540)
-Taimanov,M (2600)/Leningrad 1971/URS-ch/1-0 (49)}) 16. Bd3 Qa5+ 17. c3 Rd8 18.
Qe2 Bh6 19. O-O Qc5 20. Nf5 Bxf5 21. Bxf5 Rd2 22. Qh5 Bg5 23. h4 Bf4 24. Rad1
Ke7 25. Rxd2 Bxd2 26. Rd1 Rd8 27. Qe2 Bf4 28. Rxd8 Kxd8 29. Qd3+ Ke7 30. g3 Bc1
31. Qd7+ Kf8 32. Bxh7 Kg7 33. Be4 Bxb2 34. Bd5 Qf8 35. Qxb7 Bxc3 36. Qxa6 Qe7
37. Qe2 Bd4 38. Qg4+ Kf8 39. Kg2 Qd6 40. Qc8+ Kg7 41. Qb7 Qf8 42. Qd7 Bb6 43.
a4 Kg6 44. Qg4+ Kh6 45. Qf5 Kg7 46. h5 Qd8 47. Be4 Qd2 48. a5 Ba7 49. h6+ Qxh6
50. Qd7 Bc5 51. Bd5 Qh5 52. a6 e4 53. Bxe4 Qe2 54. Qf5 Bb6 55. Bd3 Qd2 56. Bc4
Qd4 57. Be2 Kf8 58. Qf3 Bc5 59. Bd3 Bb6 60. Qe2 Ba7 61. Qc2 Qd5+ 62. f3 Qd4 63.
Qc8+ Ke7 64. Qb7+ Kf8 65. Qa8+ Kg7 66. Qe4 Qc5 67. Bc4 f5 68. Qe2 Qg1+ 69. Kh3
Qh1+ 70. Qh2 Qxf3 71. Qb2+ Kg6 72. Qb7 Qxb7 73. axb7 1/2-1/2

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.22"]
[Round "11"]
[White "Cuartas, Jaime Alexander"]
[Black "Saladen Dulce, Rafael"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2365"]
[BlackElo "2300"]
[PlyCount "53"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c4 e6 ({RR} 5... g6 6. Nc3 Bg7
7. O-O Rc8 8. b3 Ne5 9. Nxe5 dxe5 10. d3 Nf6 11. Be3 O-O 12. a3 Qd7 13. b4 Rfd8
14. bxc5 Qxd3 15. Nd5 Qxd1 16. Rfxd1 Bf8 17. Rab1 Nxe4 18. f3 Nxc5 19. Bxc5
Rxc5 20. Nf6+ {Svetushkin,D (2597)-Timofeev,A (2631)/Eilat 2012/CBM 151/1/2-1/
2 (48)}) ({RR} 5... g6 6. Nc3 Bg7 7. O-O Rc8 8. d3 Ngf6 9. h3 O-O 10. Qe2 a6
11. Bg5 h6 12. Be3 e6 13. Rac1 Qa5 14. Bf4 Ne8 15. e5 dxe5 16. Nxe5 Nef6 17. a3
Rfd8 18. Rfd1 Nh5 19. Bh2 Nxe5 20. Bxe5 {Callet,E (2186)-Timofeev,A (2613)/
Cappelle la Grande 2013/CBM 153 Extra/0-1 (67)}) 6. O-O Ne7 $146 ({RR} 6... Be7
7. Nc3 a6 8. d4 cxd4 9. Nxd4 Ngf6 10. b3 O-O 11. Bb2 Re8 12. Kh1 Bf8 13. Qe2
Qc7 14. f4 Rac8 15. Rf3 b6 16. Raf1 h6 17. Rh3 Qb7 18. Nf3 Nc5 19. Ng5 d5 20.
e5 Nfe4 21. Ngxe4 {Finkel,A (2505)-Csom,I (2455)/Budapest 1995/CBM 049/1/2-1/2
(43)}) ({RR} 6... Be7 7. Nc3 Ngf6 8. b3 Ne5 9. d3 Nfd7 10. Ne1 g5 11. Nc2 Bf6
12. d4 cxd4 13. Nxd4 a6 14. Be3 h5 15. f3 Nc5 16. Qc2 Ncd3 17. Rad1 Nf4 18.
Nde2 Nxe2+ 19. Nxe2 Qc7 20. Qd2 O-O-O 21. Bxg5 {Cuartas,J (2517)-Saladen Dulce,
R (2213)/Pamplona 2012/EXT 2013/1-0 (51)}) 7. Nc3 Ng6 8. d4 cxd4 9. Nxd4 Nge5
10. b3 Be7 11. f4 Nc6 12. Nxc6 bxc6 13. Bb2 O-O 14. Rf3 f5 15. Qe2 Bf6 16. Rd1
Qb6+ 17. Kh1 Nc5 18. Rxd6 fxe4 19. Rf1 Rad8 20. Rxd8 Rxd8 21. Ba1 e3 22. Qxe3
Rd3 23. Qe1 Qa5 24. Ne2 Qxa2 25. Bxf6 Re3 26. Bd4 Nd3 27. Qd1 1-0

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.22"]
[Round "11"]
[White "Clavijo, Jorge Mario"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2388"]
[BlackElo "2359"]
[PlyCount "140"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 Bb4 5. Qc2 b6 6. a3 ({RR} 6. Bg5 Bb7 7. e3
O-O 8. Be2 Qe8 9. Bxf6 Rxf6 10. O-O-O Bxc3 11. Qxc3 d6 12. Kb1 Nd7 13. Rhg1 e5
14. dxe5 dxe5 15. Rd2 Bc6 16. Rgd1 Qe7 17. Ka1 Re8 18. b4 Rd6 19. Rxd6 cxd6 20.
Qd2 Ba4 {Maestrado,J-Ricana,L (2062)/Manila 2013/CBM 152 Extra/1/2-1/2 (73)})
6... Bxc3+ 7. Qxc3 Bb7 8. g3 ({RR} 8. e3 O-O 9. b4 d6 10. Bb2 Nbd7 11. Be2 Qe7
12. O-O Ne4 13. Qd3 Rf6 14. d5 Rg6 15. g3 Rf8 16. Rad1 Rh6 17. Qc2 Kh8 18. Rfe1
Qf7 19. h4 Qg6 20. Bf1 e5 21. Bg2 Bc8 22. Qa4 Ndf6 {Drozdovskij,Y (2462)
-Moiseenko,A (2550)/Alushta 2001/EXT 2002/1/2-1/2 (68)}) 8... c5 $146 ({RR}
8... O-O 9. Bg2 c5 10. dxc5 bxc5 11. O-O Qb6 12. b4 cxb4 13. axb4 Na6 14. Rb1
Be4 15. Rb3 Rfc8 16. c5 Nd5 17. Qb2 Qb7 18. c6 dxc6 19. Qe5 Re8 20. Nh4 Bxg2
21. Nxg2 Naxb4 22. Nf4 Qb8 23. Qb2 {Hutchings,R (1960)-Ackley,P (2112)/Thanet
2008/EXT 2011/1-0 (39)}) ({RR} 8... a5 9. Bg2 a4 10. d5 O-O 11. dxe6 dxe6 12.
Bf4 Na6 13. O-O Qe7 14. h3 Nc5 15. Rad1 Bxf3 16. exf3 Rfd8 17. Qe5 Rac8 18. Be3
Rxd1 19. Rxd1 Nfd7 20. Qc3 Qf6 21. Qc2 e5 22. f4 e4 23. f3 {Nyzhnyk,I (2538)
-Bohn,T (2350)/Germany 2010/EXT 2012/1-0}) 9. Bg2 cxd4 10. Qxd4 Nc6 11. Qe3 O-O
12. O-O Qe7 13. b4 d5 14. cxd5 Nxd5 15. Qg5 Qf7 16. Bb2 h6 17. Qh4 b5 18. Rac1
Rac8 19. Rc5 a6 20. Rfc1 f4 21. Qg4 fxg3 22. hxg3 Nb6 23. Rh5 Nc4 24. Rxc4 bxc4
25. Rxh6 e5 26. Rh5 Qf6 27. Qxc4+ Rf7 28. Qg4 Rd8 29. Qh4 Qxh4 30. Rxh4 Rd1+
31. Kh2 Rb1 32. Bc3 Rb3 33. Rc4 Rxa3 34. Kg1 Rd7 35. Ng5 Rd1+ 36. Kh2 Rd6 37.
g4 Rh6+ 38. Kg1 Kf8 39. Bxc6 Bxc6 40. f3 Ra2 41. Kf1 Bb5 42. Rc8+ Ke7 43. Rc7+
Ke8 44. Rc5 Rh2 45. Rxe5+ Kd7 46. Kg1 Rhxe2 47. Rxe2 Rxe2 48. Bxg7 Bc6 49. Kf1
Bb5 50. Kg1 Bc6 51. Kf1 Rc2 52. Bf8 Bd5 53. Ke1 Rc8 54. Bc5 a5 55. Kd2 Kc6 56.
Ne4 Bxe4 57. fxe4 Kb5 58. g5 axb4 59. Bd4 b3 60. g6 Rc2+ 61. Kd3 Rg2 62. g7
Rg3+ 63. Kd2 Kc4 64. Bf6 Rg2+ 65. Kc1 Kd3 66. e5 b2+ 67. Kb1 Kc3 68. e6+ Kb3
69. g8=Q Rxg8 70. Bd4 Rg2 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.22"]
[Round "11"]
[White "Barrios, Felix"]
[Black "Corradine, Jorge"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2225"]
[BlackElo "2154"]
[PlyCount "62"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 a6 6. Nf3 e6 7. e3 Nc6 8. Ne5
Bd7 9. Bd3 Be7 10. Rc1 Rc8 ({RR} 10... O-O 11. O-O Rc8 12. Qe2 Be8 13. Rfd1 Bd6
14. Bb1 Qe7 15. e4 dxe4 16. Nxe4 Nxe4 17. Qxe4 f5 18. Qe3 h6 19. Nc4 Bxf4 20.
Qxf4 Nb4 21. a3 Nd5 22. Qe5 Bb5 23. Nd6 Rxc1 24. Rxc1 Bc6 25. Re1 {Pawlicz,A
(2048)-Kula,R (2345)/Police 2013/CBM 155 Extra/0-1 (69)}) 11. a3 O-O $146 ({RR
} 11... Na5 12. O-O O-O 13. e4 dxe4 14. Nxe4 Rxc1 15. Nxf6+ Bxf6 16. Qxc1 Bc6
17. Rd1 Ba4 18. Re1 Nb3 19. Qb1 g6 20. Bc2 Qd5 21. Rd1 Rd8 22. Ng4 Bg7 23. Be5
Qb5 24. Nf6+ Kh8 25. Rd3 Rc8 26. Rh3 {Diu,V (2451)-Rustemov,A (2589)/Krasnodar
2002/CBM 091/0-1 (74)}) 12. g4 Be8 13. g5 Nxe5 14. Bxe5 Nd7 15. Bxh7+ Kxh7 16.
Qh5+ Kg8 17. Bxg7 Kxg7 18. Qh6+ Kg8 19. Rg1 e5 20. Rg3 Rc6 21. Qh5 Bxg5 22.
Rxg5+ Rg6 23. Rf5 Nf6 24. Qh4 Bc6 25. Rxe5 Ne4 26. Qh3 Bd7 27. Qf1 Nxc3 28.
Rxc3 Qh4 29. Qh1 Bh3 30. Qxd5 Rg1+ 31. Ke2 Bf1+ 0-1

[Event "COL-ch"]
[Site "Fusagasuga"]
[Date "1999.12.22"]
[Round "11"]
[White "Acosta, Alejandro"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2323"]
[BlackElo "2324"]
[PlyCount "35"]
[EventDate "1999.12.12"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "3"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. e5 Ne4 8.
Nxd4 O-O 9. Nf5 d5 10. Bxc6 bxc6 11. Nxe7+ Qxe7 12. Re1 Nc5 $146 ({RR} 12...
Bf5 13. f3 Nc5 14. b3 Ne6 15. Bb2 c5 16. Qxd5 Rfd8 17. Qc4 Rd4 18. Qf1 Bxc2 19.
Nc3 Rd2 20. Ne2 Rad8 21. Bc1 R2d7 22. Be3 Bd3 23. Qf2 Bxe2 24. Qxe2 Nd4 25.
Bxd4 cxd4 26. Qd3 Rd5 27. f4 {Miyasaki,Y (2280)-Campos Lopez,M/Skopje 1972/EXT
2000/1/2-1/2 (65)}) ({RR} 12... Rb8 13. f3 Nc5 14. b3 Ne6 15. Ba3 c5 16. Nc3
Rd8 17. Qd2 Qh4 18. Rad1 Bb7 19. Na4 c4 20. Nc5 Nxc5 21. Bxc5 cxb3 22. axb3 Bc8
23. Ra1 Rb5 24. Ra4 Qh5 25. Bf2 Qg6 26. Qc3 Bh3 27. g4 {Gashimov,V (2565)
-Ramesh,R (2493)/Dubai 2004/CBM 101/1-0 (35)}) ({RR} 12... Bf5 13. f3 Nc5 14.
b3 Ne6 15. Ba3 c5 16. Qxd5 Qh4 17. Rf1 Rfd8 18. Qc4 Qd4+ 19. Qxd4 Nxd4 20. Bxc5
Nxc2 21. Nc3 Nxa1 22. Rxa1 Rd2 23. Rc1 Rad8 24. Be3 Rc2 25. Rxc2 Bxc2 26. Kf2
h6 27. f4 {Szabo,L (2052)-Lugasi,Z (2134)/Hungary 2011/EXT 2012/0-1 (50)}) ({RR
} 12... Bf5 13. f3 Nc5 14. b3 f6 15. Bb2 Rae8 16. Nd2 Nd7 17. exf6 Qc5+ 18. Kh1
Bxc2 19. Qc1 Nxf6 20. Nf1 Rxe1 21. Qxe1 Re8 22. Qd2 Bg6 23. Rc1 Qd6 24. Bd4 Nd7
25. b4 Nf8 26. Re1 Rxe1 27. Qxe1 {Wittmann,W (2435)-Djuric,S (2500)/Lienz 1983/
EXT 2003/1/2-1/2 (40)}) 13. b3 Ne6 14. Ba3 c5 15. Qxd5 Rb8 16. Nc3 Re8 17. Qc4
Rb6 18. Nd5 1-0