[Event "US Masters"]
[Site "Greensboro"]
[Date "2013.09.01"]
[Round "7"]
[White "Zapata, Alonso"]
[Black "Macieja, Bartlomiej"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "2496"]
[BlackElo "2595"]
[PlyCount "90"]
[EventDate "2013.08.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]

1. e4 {Hansen,Cu} c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7.
Nf3 Nf6 8. h5 ({RR} 8. Ne5) 8... Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 ({RR} 11.
Bf4) 11... Be7 ({RR} 11... c5 12. Ne4 ({RR} 12. O-O-O Nc6 13. Bc3 Qc7 ({RR}
13... Qd5 14. b3) 14. dxc5 Bxc5 15. Ne4 Qf4+ 16. Nfd2 Rd8 17. Nxf6+ gxf6 18.
Qe4 Qxf2 19. Rhf1 Qe3 20. Bxf6 Rxd2 21. Qxe3 Bxe3 22. Bxh8 Rxg2+ 23. Kb1 f5)
12... cxd4 ({RR} 12... Nbd7 13. O-O-O Qc7 14. dxc5 Nxe4 15. Qxe4 Nxc5 16. Qc4
Bd6 17. Bc3 O-O 18. Qd4 Bf4+ 19. Kb1 f6 20. Bb4 b6 21. Rhe1) 13. Nxd4 Be7 14.
O-O-O Nc6 15. Bc3 Rc8 16. Rhe1 Nxd4 17. Bxd4 O-O 18. Kb1 Qc7) 12. O-O-O O-O 13.
c4 ({RR} 13. Kb1 c5 ({RR} 13... Nbd7) 14. Bc3 ({RR} 14. Ne4 Nbd7 15. Rhe1 ({RR
} 15. dxc5 Nxc5 16. Nxc5 Bxc5 17. Qe2 Qb6) 15... cxd4 16. g4 Nxe4 17. Qxe4 Nc5
18. Qxd4 Qxd4) ({RR} 14. c4 cxd4 ({RR} 14... Nc6) 15. Nxd4 Na6 16. Bc3 Nc5 17.
Qf3 Qb6 18. Ndf5 exf5 19. Nxf5 Rfe8 20. Qg3 Bf8 21. Nxh6+) ({RR} 14. Bc1) 14...
Nbd7 ({RR} 14... Nc6 15. dxc5 Qxd3 16. Rxd3 Bxc5 17. Bxf6 gxf6 18. Ne4) 15.
dxc5 Nxc5 16. Qe2 Qb6 17. Bd4 ({RR} 17. Nf5 exf5 18. Qxe7 Rfe8 19. Qd6 Qxd6 20.
Rxd6 Nce4) 17... Qa6 18. c4 ({RR} 18. Qxa6 Nxa6 19. Ne5 Rfd8) 18... Ncd7 19.
Nf1 ({RR} 19. Nf5 exf5 20. Qxe7 Qxc4) ({RR} 19. b3 Rab8) ({RR} 19. Rc1) ({RR}
19. Bc3 Rac8 20. Rd4) 19... Qc6 ({RR} 19... Rfd8) 20. Ne3 Rfd8 21. Qc2 ({RR}
21. Nf5) 21... a6 ({RR} 21... b5 22. Bxf6 Bxf6) 22. b3 b5 23. Bb2 ({RR} 23.
cxb5 Qxb5) 23... bxc4 ({RR} 23... Rac8 24. Rh4 Bc5 25. cxb5 axb5 26. Bxf6 gxf6
({RR} 26... Nxf6 27. Rxd8+ Rxd8 28. b4)) 24. Nxc4 ({RR} 24. Qxc4 Qb7) 24... a5
25. Ne3 ({RR} 25. Nce5 Qxc2+ ({RR} 25... Qb7 26. Nc6) 26. Kxc2 Nxe5 27. Bxe5
Rxd1 28. Kxd1 Ne4) 25... Qb7 26. Rh4 a4 27. Rxa4 Rxa4 {Svidler,P (2690)-Leko,P
(2670) Madrid 1998 CBM 065 [Hansen,Cu] 1/2-1/2 (64)}) ({RR} 13. Kb1 c5 14. Ne4
cxd4 15. Nxd4 Nbd7 16. Bc1 Qb6 17. Nxf6+ Nxf6 18. f3 Rfd8 19. Qb3 Bc5 20. Qxb6
Bxb6 21. Nb5 Rxd1 22. Rxd1 a6 23. Nd6 Rd8 24. Rd3 Nxh5 25. Nxb7 Rxd3 26. cxd3
f5 27. a4 Kf8 {Nakar,E (2385)-Sumets,A (2632) Cappelle la Grande 2013 1-0 (41)}
) 13... b5 14. cxb5 $146 ({RR} 14. Kb1 Nbd7 15. cxb5 Qb6 16. Ne4 cxb5 17. Nxf6+
Nxf6 18. Rdg1 Ng4 19. Qe2 Rfd8 20. Be3 Rac8 21. Nd2 Nf6 22. g4 Nd5 23. Ne4 f6
24. Rc1 b4 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Kxc1 b3 28. axb3 Qxb3 {Keler,F
(2189)-Izoria,Z (2541) Izmir 2003 0-1 (44)}) ({RR} 14. Kb1 Nbd7 15. cxb5 cxb5
16. Qxb5 Rb8 17. Qa5 Qxa5 18. Bxa5 Rb5 19. Bd2 Rfb8 20. Bc1 Bd6 21. Ne2 Ne4 22.
Rdf1 Ndf6 23. Ne5 Nd2+ 24. Bxd2 Rxb2+ 25. Kc1 Bxe5 26. dxe5 Ne4 27. Nc3 Nxd2
28. Re1 Nc4 {Efimenko,Z (2343)-Malyj,A Dnipropetrovsk 1999 0-1 (37)}) 14... Qd5
15. Kb1 cxb5 16. Ne2 Ne4 17. Be3 Nc6 18. Nf4 Qf5 19. g4 Qh7 20. Nd2 Nxd2+ 21.
Rxd2 Qxd3+ 22. Rxd3 Rfd8 23. a3 Bg5 24. Ng2 Ne5 25. Rb3 Nxg4 26. Rxb5 Bf6 27.
Rd1 Rd7 28. Ne1 Rad8 29. Nc2 Rd5 30. Rb7 a5 31. Rg1 Nxe3 32. fxe3 Rxh5 33. Rf1
Rg5 34. Ne1 h5 35. Kc2 e5 36. Nf3 Rg2+ 37. Kd3 exd4 38. e4 Rg3 39. Rb5 g5 40.
e5 Be7 41. Rb7 Bf8 42. Kc4 d3 43. Nd2 Rg2 44. Nf3 d2 45. Rd1 h4 0-1

[Event "US Masters"]
[Site "Greensboro"]
[Date "2013.08.31"]
[Round "4"]
[White "Quesada Perez, Yuniesky"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "2636"]
[BlackElo "2496"]
[PlyCount "61"]
[EventDate "2013.08.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. f4 d6 8. Qf3
a6 9. O-O-O Be7 10. Bd3 ({RR} 10. Be2 O-O 11. g4 Nxd4 12. Bxd4 b5 13. e5 Bb7
14. Qh3 Nd7 15. Bd3 g6 16. Rhe1 dxe5 17. fxe5 b4 18. Ne4 Nxe5 19. Qh6 Rfd8 20.
g5 Bxe4 21. Rxe4 Rxd4 22. Rxd4 Qc5 23. Be4 Nc6 24. Bxc6 Bxg5+ {Jakubiec,A
(2528)-Zhigalko,S (2696) Bad Wiessee 2011 0-1}) ({RR} 10. Kb1 Bd7 11. g4 Nxd4
12. Rxd4 e5 13. Nd5 Nxd5 14. Rxd5 Be6 15. Rd1 exf4 16. Bxf4 O-O 17. g5 Qa5 18.
b3 Bxg5 19. Bxg5 Qxg5 20. Rxd6 a5 21. h4 Qe5 22. Rd2 a4 23. Rg1 axb3 24. cxb3
Rfc8 {Chuprova,I (1943)-Korchagina,V (2037) St Petersburg 2013 0-1 (57)}) 10...
O-O 11. Rhe1 $146 ({RR} 11. Kb1 Nd7 12. g4 Nxd4 13. Bxd4 b5 14. g5 Bb7 15. Rhg1
Rfe8 16. Rg3 b4 17. Ne2 e5 18. fxe5 dxe5 19. Be3 Nc5 20. Bxc5 Qxc5 21. Rf1 Rf8
22. Qh5 Qc6 23. b3 Qg6 24. Qg4 Bc8 25. Qf3 a5 {Novita,A (2345)-Paragua,M (2529)
Subic Bay 2009 1/2-1/2 (48)}) 11... Nxd4 12. Bxd4 e5 13. Nd5 Nxd5 14. exd5 exd4
15. Qe4 g6 16. Qxe7 Qa5 17. Kb1 Bg4 18. Rc1 Qxd5 19. Be4 Qc5 20. h3 Be6 21. g4
Rfe8 22. Qh4 Bxa2+ 23. Kxa2 Rxe4 24. Kb1 Rxf4 25. Re7 d3 26. cxd3 Qd5 27. Re3
Ra4 28. Rc7 Qa5 29. Rc4 Ra1+ 30. Kc2 d5 31. Qg5 0-1

[Event "US Masters"]
[Site "Greensboro"]
[Date "2013.08.31"]
[Round "5"]
[White "Zapata, Alonso"]
[Black "Lenderman, Alex"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2496"]
[BlackElo "2527"]
[PlyCount "100"]
[EventDate "2013.08.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Bc4 e6 8. c3
Bd6 9. Nf4 Nbd7 10. Qf3 Qc7 ({RR} 10... Nb6 11. Bb3 Nbd5 12. Nxg6 hxg6 13. Bg5
Be7 14. Bd2 a5 15. a3 Qb6 16. c4 Nc7 17. Qc3 Rh4 18. Be3 a4 19. Bc2 Qa5 20. Ne2
b5 21. g3 Qxc3+ 22. Nxc3 Rh8 23. Bf4 Kd7 24. Bxc7 Kxc7 25. cxb5 {Rublevsky,S
(2660)-Anand,V (2771) Eupen 1999 1/2-1/2 (52)}) 11. Bb3 ({RR} 11. Bd2 O-O-O 12.
O-O Rhe8 13. Nxg6 hxg6 14. b4 Nb6 15. Bb3 e5 16. dxe5 Bxe5 17. Rad1 Nbd5 18.
Rfe1 Bd6 19. Nf1 Re5 20. Rxe5 Bxe5 21. Be1 Rh8 22. g3 Re8 23. c4 Nb6 24. Ne3 c5
25. a4 Nbd7 {Zorko,J (2459)-Pagerka,M (2213) Pardubice 2013 0-1 (84)}) ({RR}
11. Nxg6 hxg6 12. O-O O-O 13. Bb3 a5 14. Bg5 b5 15. h4 Rfe8 16. Rad1 Rac8 17.
Rfe1 a4 18. Bc2 Bxg3 19. fxg3 e5 20. Re2 exd4 21. Bf4 Qb6 22. Rxd4 Rxe2 23.
Qxe2 Re8 24. Qd2 Ne5 25. Bxe5 Rxe5 {Pavlovic,M (2478)-Lenderman,A (2581)
Richardson 2012 0-1 (61)}) 11... a5 $146 ({RR} 11... Nd5 12. Nxg6 hxg6 13. Ne4
Be7 14. g3 N7f6 15. Nxf6+ Bxf6 16. Bd2 a5 17. O-O a4 18. Bxd5 cxd5 19. a3 O-O
20. Rae1 Rfe8 21. Kg2 Re7 22. Re2 Rae8 23. Rfe1 Qc6 24. Bf4 Qb5 25. h4 Qc6 26.
Kh3 {Sanduleac,V (2423)-Riazantsev,A (2710) Kishinev 2012 1-0 (76)}) ({RR}
11... O-O-O 12. O-O Rhf8 13. Nxg6 hxg6 14. Re1 Rde8 15. Bg5 Qa5 16. Bd2 g5 17.
h3 Rh8 18. Rad1 Rh4 19. c4 Bb4 20. Bxb4 Qxb4 21. Qe3 g4 22. hxg4 Nxg4 23. Qf4
Reh8 24. c5 Ngf6 25. Qd2 Qxd2 26. Rxd2 {Kovchan,A (2565)-Bartel,M (2658)
Moscow 2012 1/2-1/2 (40)}) 12. a3 a4 13. Ba2 Nd5 14. Nxg6 hxg6 15. O-O b5 16.
Re1 N7b6 17. Bg5 Bf4 18. Bxf4 Qxf4 19. Qxf4 Nxf4 20. Ne4 Ke7 21. g3 Nfd5 22.
Re2 Nf6 23. Ng5 Nbd5 24. Rae1 Rac8 25. f4 Rc7 26. Bb1 Kd6 27. Nf3 Nb6 28. Ne5
Nfd5 29. Be4 Rhc8 30. Bg2 Ke7 31. h4 Kf8 32. Bf3 Nf6 33. Rh2 c5 34. dxc5 Rxc5
35. Rd1 Ke7 36. Re2 Nc4 37. Nxc4 bxc4 38. Rd4 Nd7 39. Red2 Nb6 40. Kf2 Rb5 41.
Ke2 Rb8 42. Kd1 Nd5 43. Kc1 Nb6 44. Be2 Rc5 45. Bd1 Rd5 46. Bf3 Rxd4 47. Rxd4
Rc8 48. Kd2 Rc5 49. Be2 f6 50. Kc1 Rc8 1/2-1/2

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.09"]
[Round "5"]
[White "Rios Parra, Alejandro"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2349"]
[BlackElo "2483"]
[PlyCount "90"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. Bd3 Nf6 8.
Qe2 Bb4 9. O-O Bxc3 ({RR} 9... O-O 10. f4 Bxc3 11. bxc3 d6 12. Kh1 Re8 13. Rae1
e5 14. Nxc6 Qxc6 15. fxe5 dxe5 16. Bg5 Bg4 17. Qf2 Bh5 18. Qh4 Bg6 19. Bxf6
gxf6 20. Qh6 Qd6 21. h4 Qf8 22. Qxf8+ Kxf8 23. g4 h5 24. gxh5 {Najer,E (2600)
-Tregubov,P (2628) Ohrid 2001 1/2-1/2 (55)}) 10. bxc3 d5 11. Nxc6 $146 ({RR}
11. exd5 Nxd5 12. Nxc6 Qxc6 13. c4 Nxe3 14. Qxe3 Bd7 15. Rab1 Qc7 16. Be4 Rb8
17. Rfd1 h6 18. Qd4 e5 19. Qd3 Bc6 {1/2-1/2 (19) Muchnik,K-Khasin,A Moscow 1959
}) ({RR} 11. exd5 Nxd5 12. Nxc6 Nxe3 13. fxe3 Qxc6 14. Qh5 g6 15. Qe5 O-O 16.
c4 Ra7 17. Qd4 b6 18. Rab1 e5 19. Qxe5 Rc7 20. Qd4 {1-0 (20) Szalanczy,E (2262)
-Szeberenyi,A (2325) Budapest 2013}) ({RR} 11. exd5 Nxd5 12. Bd2 Nce7 13. c4
Nf4 14. Qe4 Nxd3 15. cxd3 e5 16. Nf3 Bf5 17. Qxe5 Qxe5 18. Nxe5 f6 19. Rfe1
fxe5 20. Rxe5 Kf7 21. Bg5 Rhe8 22. Bxe7 Bxd3 23. Rae1 Bxc4 24. a3 Rac8 25. h3
Rc6 {Metz,H (2302)-Beck,F (2284) Germany 2006 1/2-1/2}) 11... dxe4 12. Nd4 exd3
13. cxd3 O-O 14. c4 e5 15. Nb3 Bf5 16. Bg5 Nd7 17. f4 f6 18. Bh4 exf4 19. Nd4
Rfe8 20. Qd2 g5 21. Nxf5 Qc5+ 22. Bf2 Qxf5 23. d4 b5 24. c5 Qd5 25. Qd1 Rad8
26. Re1 Nb8 27. Rxe8+ Rxe8 28. Qb3 Rd8 29. Qa3 Kf7 30. Re1 Nc6 31. Kh1 g4 32.
Qd3 Kg7 33. a3 h5 34. Re4 Qxc5 35. Qd2 Qxa3 36. Qxf4 Qd6 37. Qf5 Qd5 38. Qf4
Rd7 39. Be3 Qg5 40. Qf1 Qg6 41. Re6 Nxd4 42. Rxa6 Qf5 43. Qg1 Ne2 44. Qe1 Qd3
45. Re6 Kf7 0-1

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.09"]
[Round "6"]
[White "Zapata, Alonso"]
[Black "Hevia Alejano, Carlos Antonio"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2483"]
[BlackElo "2498"]
[PlyCount "92"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg2
O-O 9. O-O Be6 10. a4 Nbd7 11. a5 b5 12. axb6 Nxb6 13. Be3 Qc7 14. Na5 Nc4 15.
Nxc4 Bxc4 16. Re1 Rfc8 $146 ({RR} 16... Rfb8 17. Qc1 Qb7 18. b3 Be6 19. Qd1 Rc8
20. Nd5 Nxd5 21. exd5 Bf5 22. c4 Rab8 23. Ra3 Qb4 24. Qa1 Bc2 25. Rxa6 Bxb3 26.
Ba7 Rb7 27. c5 Ra8 28. Rb1 h6 29. c6 Rb5 30. Be3 Rxa6 31. Qxa6 {Prasanna
Raghuram,R (2234)-Benaddi,M (2084) Gibraltar 2007 1-0 (33)}) 17. b3 Be6 18. Na4
Rab8 19. c4 Ng4 20. Nc3 Qb7 21. Nd5 Bxd5 22. exd5 Nxe3 23. Rxe3 Bd8 24. Bh3 Rc5
25. Bf5 a5 26. Bc2 Bb6 27. Kg2 Rc7 28. Rf3 Re7 29. Qe2 g6 30. g4 e4 31. Rf4 e3
32. f3 Re5 33. h4 Qe7 34. Kh3 Bd8 35. g5 h6 36. gxh6 Rh5 37. Qe1 f5 38. Qg3 Kh7
39. Rg1 Qf6 40. Qe1 Bb6 41. c5 Bxc5 42. Qxa5 Kxh6 43. Qa1 Qe7 44. Bd3 e2 45.
Re1 Bf2 46. Qc1 Be3 0-1

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.08"]
[Round "3"]
[White "Espinosa, J."]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2282"]
[BlackElo "2483"]
[PlyCount "34"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 e6 6. d4 cxd4 7. O-O Be7 8. cxd4
d6 9. Qe2 O-O 10. a3 b6 ({RR} 10... Qb6 11. Rd1 Na5 12. Nbd2 Nxc4 13. Nxc4 Qa6
14. Bg5 Bd7 15. Bxe7 Nxe7 16. exd6 Nf5 17. Nfe5 Ba4 18. Rd2 Bb5 19. a4 Bxc4 20.
Qxc4 Qxd6 21. Rc1 Rfd8 22. Nf3 Ne7 23. Qb5 Rab8 24. Rdc2 h6 25. Rc7 {
Rozentalis,E (2619)-Hansen,S (2552) Copenhagen 2004 1/2-1/2}) 11. Qe4 Re8 $146
({RR} 11... Bb7 12. Bd3 g6 13. Bh6 Re8 14. Nbd2 Qd7 15. Rfe1 Nd8 16. Qe2 f5 17.
exf6 Bxf6 18. Rac1 a6 19. Ne4 Bg7 20. Qd2 Rf8 21. Bxg7 Kxg7 22. Ng3 Nf7 23. h4
Rae8 24. h5 gxh5 25. Nxh5+ Kh8 26. Be4 {Mihaljcisin,M (2325)-Lakic,N (2380)
Banja Luka 1976 0-1 (40)}) ({RR} 11... Bb7 12. Bd3 g6 13. Bh6 Re8 14. Nbd2 dxe5
15. dxe5 Na5 16. Qg4 Ne3 17. fxe3 Qxd3 18. b4 Nc6 19. Qf4 Qf5 20. Qg3 b5 21.
Rad1 Rad8 22. Nd4 Qh5 23. Nxc6 Bxc6 24. Bf4 Bh4 25. Qh3 Qe2 26. e4 {Ning,C
(2328)-Tan,Z (2438) Beijing 2012 1-0 (50)}) ({RR} 11... Bb7 12. Bd3 g6 13. Bh6
Re8 14. h4 Na5 15. Qg4 dxe5 16. dxe5 Ne3 17. fxe3 Qxd3 18. Nc3 Nc4 19. Qf4 Nxe3
20. Ng5 Nf5 21. Nge4 Bxe4 22. Nxe4 Nxh6 23. Rad1 Qe2 24. Qxh6 Qxe4 25. Rxf7
Kxf7 26. Qxh7+ {Glavina Rossi,P (2425)-Gomez Luesia,J Zaragoza 1998 0-1 (62)})
12. Bd3 g6 13. Nc3 dxe5 14. dxe5 Bb7 15. Nxd5 Qxd5 16. Qxd5 exd5 17. Bf4 a6
1/2-1/2

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.07"]
[Round "1"]
[White "Velasquez, Angie Gabriela"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1776"]
[BlackElo "2483"]
[PlyCount "43"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. Qe2 Ne7 ({RR}
7... Bc5 8. Nb3 Bb6 9. a4 b4 10. Na2 Nc6 11. Bd2 Qe7 12. a5 Ba7 13. O-O Nf6 14.
e5 Nd5 15. Be4 O-O 16. Nac1 Nxe5 17. Bxd5 exd5 18. Nd3 d6 19. Bxb4 d4 20. Rae1
Rfe8 21. f4 Nc6 22. Qxe7 {Neiksans,A (2503)-Vachier Lagrave,M (2703) Warsaw
2010 0-1 (61)}) ({RR} 7... Nc6 8. Nxc6 Bxc6 9. O-O Bc5 10. Be3 Qb6 11. Bxc5
Qxc5 12. a4 b4 13. Nd5 Bb7 14. Qe3 Qxe3 15. Nxe3 d6 16. Nc4 O-O-O 17. Na5 Nf6
18. c3 bxc3 19. Rfc1 Bxe4 20. Rxc3+ Kd7 21. Bxa6 e5 22. f3 {Loxine,J (2408)
-Wetscherek,A (2355) Germany 2013 1-0 (51)}) 8. a3 $146 ({RR} 8. Bg5 h6 9. Be3
Nec6 10. O-O Nxd4 11. Bxd4 Nc6 12. Be3 Ne5 13. f4 Nxd3 14. cxd3 Be7 15. Qg4 O-O
16. Bd4 f6 17. f5 exf5 18. Qxf5 Qe8 19. Rac1 Bd6 {1/2-1/2 (19) Stets,D (2420)
-Timoscenko,G (2520) Hlohovec 1998}) ({RR} 8. O-O Nbc6 9. Nb3 Ng6 10. f4 Nb4
11. f5 Ne5 12. Bf4 Nbc6 13. a4 b4 14. Nd5 Bd6 15. a5 O-O 16. Nb6 Ra7 17. Qe3
Ng4 18. Qg3 Bxf4 19. Qxf4 Nge5 {1-0 (19) Ionica,I (2271)-Abramovic,B (2484)
Sozina 2004}) 8... Nec6 9. Nb3 d6 10. Be3 Nd7 11. f3 Be7 12. Qf2 Rc8 13. O-O
Nce5 14. f4 Ng4 15. Qg3 Nxe3 16. Qxe3 O-O 17. Qh3 Re8 18. Nd2 Nc5 19. Be2 Bf6
20. Rf3 Bxc3 21. Rxc3 Nxe4 22. Rd1 0-1

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.07"]
[Round "2"]
[White "Zapata, Alonso"]
[Black "Lozano, Nestor Favian"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2483"]
[BlackElo "2102"]
[PlyCount "59"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nb3 Nf6 7. Be2 O-O 8.
O-O d6 9. Kh1 Be6 10. f4 a5 11. a4 Bxb3 12. cxb3 Nd7 ({RR} 12... e6 13. Bf3 Nb4
14. Be3 d5 15. e5 Nd7 16. Nb5 Rc8 17. Rc1 Qe7 18. Qe2 Rc6 19. Na7 Rb8 20. Rc3
Bf8 21. Rfc1 Qd8 22. Qd1 Be7 23. Rxc6 bxc6 24. Nxc6 Nxc6 25. Rxc6 Bb4 26. Qc2
g5 27. Bh5 {Smirin,I (2600)-Hodgson,J (2590) Winnipeg 1997 0-1 (39)}) ({RR}
12... Nb4 13. Bf3 Nd7 14. Be3 Rc8 15. Rc1 Nc5 16. Bxc5 Rxc5 17. Qd2 Qb6 18. Be2
Rd8 19. Rcd1 e6 20. f5 d5 21. Bg4 d4 22. fxe6 fxe6 23. Nb5 Rc2 24. Qg5 Rd7 25.
h4 d3 26. Nc3 Rxb2 27. Qf4 {Siekaniec,J (2093)-Bartoszek,M (1748) Zamosc 2013
0-1 (48)}) ({RR} 12... Qb6 13. Bc4 e6 14. Qf3 Nd7 15. Be3 Bd4 16. Bxd4 Nxd4 17.
Qf2 Nc6 18. Qg3 Nd4 19. Rad1 Qc5 20. Qd3 e5 21. Nd5 Kg7 22. f5 f6 23. fxg6 hxg6
24. Qg3 Rh8 25. Qg4 Rad8 26. Ne7 Rh6 27. Rxd4 {Zapata,A (2545)-Roos,M (2360)
Dresden 2002 1-0 (45)}) 13. Be3 Rc8 14. Rc1 $146 ({RR} 14. Bc4 Nb4 15. Qe2 Nb6
16. Bb5 Bxc3 17. bxc3 Rxc3 18. Bd4 Rc8 19. Rac1 Nd7 20. Ba1 Rxc1 21. Rxc1 Nc5
22. Rc3 f6 23. e5 b6 24. exf6 exf6 25. Re3 d5 26. f5 Ne4 27. Rh3 Qc7 28. Bd4
Qc1+ {Van Hengel,H-Janssen,R (2290) Leiden 1998 0-1 (39)}) 14... Nc5 15. Bg4 e6
16. e5 Nb4 17. Nb5 Nbd3 18. Nxd6 Nxc1 19. Nxc8 N1xb3 20. Nd6 Qb6 21. Rf2 Rd8
22. Rc2 Qb4 23. Qg1 Qxa4 24. Rc4 Qa2 25. Bxc5 Qxb2 26. Nxb7 Nd2 27. Nxd8 Nxc4
28. Nxe6 Bh6 29. Qd1 Qd2 30. Qa4 1-0