[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.01"]
[Round "1"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D50"]
[PlyCount "130"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. Bg5 cxd4 6. Nxd4 dxc4 7. e3 ({RR} 7.
e4 Qb6 8. Bxc4 Bc5 9. Be3 Nc6 10. Bb5 Bd7 11. Nc2 O-O 12. O-O Bxe3 13. Nxe3
Rfd8 14. Nc4 Qc5 15. Nd2 Nd4 16. Bxd7 Rxd7 17. Nb3 Qc4 18. e5 Ne4 19. Re1 Nxc3
20. bxc3 Qxc3 21. Rc1 Qb4 {Mateuta,G (2402)-Musat,A (2410) Bucharest 2003 1/
2-1/2 (41)}) 7... Qb6 $146 ({RR} 7... a6 8. Bxc4 Be7 9. Qf3 Nbd7 10. Qe2 Ne5
11. Bb3 Bd7 12. O-O Qc7 13. f4 Nc6 14. Rad1 Nxd4 15. exd4 O-O 16. f5 Bd6 17.
Bxf6 Bxh2+ 18. Kh1 gxf6 19. Ne4 Bc6 20. Nxf6+ Kg7 21. Ng4 Bg3 22. Qe3 {Walther,
H (2232)-Buergi,O (1956) Hergiswil 2001 1-0 (33)}) ({RR} 7... a6 8. Qf3 Be7 9.
Bxc4 Nbd7 10. O-O Ne5 11. Qe2 b5 12. Bd3 Nxd3 13. Qxd3 Bb7 14. Rfd1 O-O 15. Qe2
Qb6 16. Rac1 Qa5 17. Nb3 Qb6 18. e4 Kh8 19. Be3 Qc6 20. Nd5 Qe8 21. Nxe7 Qxe7
22. Bc5 {Vida,K (1552)-Kiss,J (1493) Hungary 2013 1-0 (34)}) ({RR} 7... Qa5 8.
Bxf6 gxf6 9. Bxc4 a6 10. Qf3 Nd7 11. O-O-O Qe5 12. Qh3 Be7 13. f4 Qc5 14. Bb3
Nb6 15. f5 exf5 16. Rhf1 f4 17. Qf3 fxe3 18. Rfe1 {1/2-1/2 (18) Alvarez del
Monte,J-Rubio Aguado,F Montevideo 1956}) 8. Bxf6 gxf6 9. Bxc4 Bd7 10. O-O Nc6
11. Bb3 Be7 12. Rc1 Rd8 13. Nxc6 Bxc6 14. Qh5 Qc5 15. Nd5 Qd6 16. Nxe7 Kxe7 17.
Qa5 Rhg8 18. g3 Qb8 19. Ba4 Rg5 20. Qc3 Bxa4 21. Qb4+ Qd6 22. Qxa4 Qb6 23. Rc3
Rb5 24. Rfc1 Rd7 25. Qa3+ Qd6 26. Qxa7 Rxb2 27. Rc8 Rd2 28. e4 Rd1+ 29. Rxd1
Qxd1+ 30. Kg2 Qd3 31. Qc5+ Qd6 32. Qc3 b5 33. Rc6 Qd4 34. Qc2 b4 35. Rc4 Qb6
36. Qb2 Rb7 37. e5 fxe5 38. Qxe5 Qd6 39. Qg5+ Kd7 40. Rf4 f5 41. Kh3 Kc6 42.
Qg8 Kb5 43. Qe8+ Qd7 44. Qf8 Qe7 45. Qa8 Ra7 46. Qb8+ Rb7 47. Qe5+ Ka6 48. Rc4
Rb5 49. Rc6+ Ka5 50. Qxe6 Qxe6 51. Rxe6 Rd5 52. Re2 Rd6 53. f4 Rh6+ 54. Kg2 Kb5
55. h3 Rg6 56. Kf3 h5 57. Re5+ Kc4 58. Rxf5 Ra6 59. Rxh5 Rxa2 60. Rh8 b3 61.
Rc8+ Kd4 62. Rd8+ Kc3 63. Rc8+ Kd3 64. Rd8+ Kc3 65. Rc8+ Kd3 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.04"]
[Round "2"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "73"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 e6 5. Bd3 Nbd7 6. Nc3 dxc4 7. Bxc4 b5 8. Bd3
a6 9. O-O c5 10. a4 b4 11. Ne4 Bb7 12. Ned2 Be7 13. a5 O-O 14. Nc4 Qc7 15. Qe2
Ng4 16. e4 cxd4 17. h3 Nge5 18. Nfxe5 Nxe5 19. Bf4 Bd6 20. Bxe5 Bxe5 21. Nb6
$146 ({RR} 21. Rac1 Bf4 22. Rc2 b3 23. Rcc1 Bxc1 24. Rxc1 Rac8 25. Qd1 Qf4 26.
g3 Qh6 27. Kh2 f5 28. exf5 exf5 29. f4 Qc6 {0-1 (29) Heemsoth,H-Tautvaisas,P
Oldenburg 1949}) 21... Ra7 22. Rac1 Qd6 23. Rc4 f5 24. exf5 exf5 25. Re1 Qg6
26. f3 Re8 27. f4 Qg3 28. fxe5 Rxe5 29. Rc8+ Kf7 30. Qh5+ g6 31. Qxh7+ Kf6 32.
Rf8+ Kg5 33. h4+ Kf4 34. Qh6+ g5 35. Rxf5+ Rxf5 36. Qd6+ Kg4 37. Bxf5+ 1-0

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.06"]
[Round "3"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D22"]
[PlyCount "54"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nf6 8. O-O
Nc6 9. a3 Bd6 10. Be2 O-O 11. Nd2 $146 ({RR} 11. Qc2 Qe7 12. Rd1 Rfd8 13. e4
Bxf3 14. Bxf3 e5 15. d5 Nd4 16. Qd3 Nd7 17. Bg4 Nc5 18. Qb1 Ncb3 19. Ra2 g6 20.
Re1 a5 21. Be3 c5 22. Bd1 c4 23. g3 b5 24. Kg2 {1/2-1/2 (24) De Oliveira,A-Da
Silva Rocha,A Carrasco 1938}) ({RR} 11. b4 Nd5 12. Bb2 Nxc3 13. Bxc3 Bg6 14.
Qb3 Ne7 15. Ne5 Be4 16. Rfd1 {1/2-1/2 (16) Ragger,M (2565)-Jovanic,O (2552)
Zadar 2009}) ({RR} 11. b4 Qe8 12. Qb3 e5 13. dxe5 Nxe5 14. Nd4 Bxe2 15. Ncxe2
Qd7 16. Bb2 b5 17. Rac1 Nc4 18. Rxc4 bxc4 19. Qxc4 Rfe8 20. Ng3 Rac8 21. Ndf5
Be5 22. Bxe5 Rxe5 23. Qf4 Qe6 24. Nd4 Qd5 25. Ngf5 g6 {Sirosh,I (2103)
-Alekseenko,K (2442) Budva 2013 0-1 (68)}) ({RR} 11. b4 Kh8 12. Bb2 Qe7 13. Re1
Rfd8 14. Qb3 e5 15. Ng5 Rf8 16. Bxh5 Nxh5 17. dxe5 Bxe5 18. Nf3 Nf6 19. Nxe5
Nxe5 20. f4 Nd3 21. Nd5 Nxd5 22. Qxd3 Rad8 23. Bd4 Rfe8 24. g3 Kg8 25. Rad1 g6
{Laszlo,D-Fuster,G Budapest 1951 1/2-1/2 (63)}) 11... Bxe2 12. Qxe2 e5 13. dxe5
Bxe5 14. Rb1 Re8 15. Nf3 Qe7 16. Nxe5 Qxe5 17. Qc2 Rad8 18. Bd2 Qe6 19. Rfd1
Qc4 20. Bc1 Ne5 21. e4 h6 22. Be3 Rd3 23. Rxd3 Qxd3 24. Qa4 Qc4 25. Qc2 Qd3 26.
Qa4 Qc4 27. Qc2 Qd3 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.11"]
[Round "4"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "121"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. f4 dxc4 7. Bxc4 b5 8. Bd3
Bb7 9. Nf3 a6 10. a4 b4 11. Ne2 c5 12. O-O Be7 $146 ({RR} 12... g6 13. Bd2 Bg7
14. Ne5 O-O 15. a5 Nxe5 16. fxe5 Nd7 17. Bc4 Rc8 18. b3 Nb8 19. Ng3 Nc6 20. Ne4
Nxe5 21. Nxc5 Rxc5 22. dxe5 Rxe5 23. Bxb4 Qg5 24. Ra2 Qxe3+ 25. Kh1 Rh5 26. Qd6
e5 27. Rxf7 {Tran,P (2330)-Marchio,E (2280) Germany 2005 1-0}) 13. a5 O-O 14.
Ng3 g6 15. Qe2 cxd4 16. exd4 Nb8 17. Ne5 Nc6 18. Nxc6 Bxc6 19. Bc4 Bb7 20. Be3
Qd6 21. Rad1 Rfe8 22. b3 Bf8 23. Rd3 Qc7 24. Qa2 Bd6 25. Bd2 Qc6 26. Be1 Rad8
27. Rd2 Be7 28. Qb2 Rd7 29. Rc2 Qd6 30. Ne2 Nd5 31. Qc1 Bd8 32. Bg3 Qe7 33. Ra2
Qf6 34. Qd2 Qf5 35. Bd3 Qf6 36. Bc4 Be7 37. Qd3 Red8 38. Be1 Qf5 39. Qd2 Qe4
40. Bd3 Qe3+ 41. Bf2 Qxd2 42. Rxd2 Rc8 43. Bc4 Kg7 44. g3 Rcd8 45. Rc1 h6 46.
Bd3 f5 47. Rdc2 g5 48. g4 Nxf4 49. Nxf4 gxf4 50. gxf5 e5 51. Re1 exd4 52. Rxe7+
Rxe7 53. Bh4 Kf7 54. Bxe7 Kxe7 55. Rc7+ Rd7 56. f6+ Ke8 57. Bg6+ Kd8 58. f7
Kxc7 59. f8=Q f3 60. Qxb4 Rd6 61. Bd3 1-0

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.13"]
[Round "5"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "101"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O Nc6 7. Nc3 Be7 8.
dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 Ke7 ({RR} 10... a6 11. b4 Be7 12. Bb2 b5 13. Nxb5
axb5 14. Bxb5 Bd7 15. Rxd7 Nxd7 16. Bxc6 Rc8 17. Ne5 O-O 18. Nxd7 Rfd8 19. b5 {
1-0 (19) Bogoljubow,E-Flohr,S Bled 1931}) 11. b4 Bb6 ({RR} 11... Bd6 12. Bb2
Rd8 13. Nb5 Bb8 14. Nbd4 Nxd4 15. Bxd4 Bd6 16. Ne5 Ne8 17. Be2 f6 18. Nc4 e5
19. Bb2 b6 20. Nxd6 Nxd6 21. Rac1 {1/2-1/2 (21) Lautier,J (2596)-Magem Badals,
J (2557) France 1999}) ({RR} 11... Bd6 12. Bb2 Rd8 13. Rac1 Bd7 14. Be2 Rac8
15. Ng5 Be8 16. b5 Na5 17. Nce4 Nxe4 18. Nxe4 Rxc1 19. Rxc1 f6 20. Bc3 Nb3 21.
Rb1 Bg6 22. Rxb3 Bxe4 23. Bf3 Bc5 24. Bd4 Bxd4 25. Bxe4 {1/2-1/2 (25) Infante,
M (2314)-Martinez Reyes,P (2200) Guayaquil 2012}) 12. Bb2 Rd8 $146 ({RR} 12...
Bd7 13. Rac1 Rhd8 14. Kf1 Rac8 15. Ke2 Be8 {1/2-1/2 (15) Zhidkov,V (2353)-Bets,
A (2348) Peterhof 2007}) 13. Rxd8 Bxd8 14. e4 Bd7 15. Bd3 h6 16. e5 Ne8 17. Rd1
Bb6 18. Ne4 a6 19. Bc3 Nc7 20. Nd6 Nd5 21. Bb2 Nd8 22. Be4 Bc6 23. Nd4 Bc7 24.
Rc1 Kd7 25. Nxc6 bxc6 26. Nc4 a5 27. b5 Rb8 28. bxc6+ Nxc6 29. g3 Rb5 30. Rd1
Rc5 31. Bd3 Ke7 32. f4 Nb6 33. Nd6 Na4 34. Ba1 Nc3 35. Rf1 Bxd6 36. exd6+ Kxd6
37. f5 exf5 38. Bxf5 Nd4 39. Bd3 f5 40. Kg2 g6 41. g4 fxg4 42. Bxg6 Nf3 43. Bd3
h5 44. Rc1 Nh4+ 45. Kh1 Ne4 46. Rxc5 Nf2+ 47. Kg1 Nh3+ 48. Kf1 Kxc5 49. Ba6 Nf3
50. Kg2 h4 51. Bf6 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.18"]
[Round "6"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "120"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. b3
b6 9. Bb2 Bb7 10. Qe2 a5 ({RR} 10... c5 11. cxd5 Nxd5 12. Rfd1 Qc7 13. Rac1
Rad8 14. Nc4 Qb8 15. Bb1 N5f6 16. Nfe5 cxd4 17. Bxd4 Nxe5 18. Bxe5 Qa8 19. f3
Rxd1+ 20. Rxd1 Rd8 21. Kf2 Bd5 22. Bd3 Qc8 23. Qc2 h6 24. Nb2 Qxc2+ 25. Bxc2 {
Rustemov,A (2573)-Dominguez Perez,L (2658) Dos Hermanas 2005 1/2-1/2 (61)}) 11.
a4 $146 ({RR} 11. a3 Rc8 12. Rfd1 Qc7 13. Rac1 Qb8 14. g3 Rfd8 15. Bb1 Re8 16.
Ng5 h6 17. Ngf3 Rcd8 18. Nh4 c5 19. f4 cxd4 20. exd4 Ba8 21. Re1 Qb7 22. Qf3
Qa7 23. Qe2 Rc8 24. Nhf3 a4 25. Ne5 Nf8 {Bellon Lopez,J (2432)-Grabarczyk,M
(2499) Stockholm 2001 0-1 (45)}) ({RR} 11. e4 dxe4 12. Nxe4 c5 13. Rad1 Qc7 14.
Neg5 cxd4 15. Bxd4 Qc6 16. Nh4 Bc5 17. Bxh7+ Nxh7 18. Nxh7 Kxh7 19. Qh5+ Kg8
20. Bxg7 Kxg7 21. Qg5+ Kh7 22. Qh5+ {1/2-1/2 (22) Biolek,R (2464)-Bulski,K
(2507) Czechia 2012}) 11... Bb4 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Qe7 15. Rad1
Rfd8 16. Bc2 Rac8 17. Rd3 Nf8 18. Ne5 c5 19. dxc5 Bxc5 20. Rg3 f6 21. Ng4 Kh8
22. Nxf6 gxf6 23. Qg4 Nd7 24. Bxh7 Qxh7 25. Rh3 Rg8 26. Rxh7+ Kxh7 27. Qh4+ Kg6
28. Rd1 Rcd8 29. Rd3 Rh8 30. Qg3+ Kf7 31. Qc7 Bc8 32. Bd4 Be7 33. f4 Rhe8 34.
Be3 f5 35. h3 Nc5 36. Rxd8 Rxd8 37. Qxb6 Ne4 38. g4 Rd3 39. Kg2 Bd7 40. g5 Rd6
41. Qxa5 Be8 42. h4 Rd3 43. Qb6 Rd6 44. Qc7 Kf8 45. Qc8 Rd3 46. Bb6 Rxb3 47. a5
Rb2+ 48. Kf3 Nd6 49. Qa8 Nxc4 50. g6 Rb3+ 51. Ke2 Rb2+ 52. Kd3 Nxb6 53. axb6
Rxb6 54. g7+ Kxg7 55. Qxe8 Bxh4 56. Qd7+ Kg6 57. Kc4 Bf6 58. Kc5 Rb8 59. Qxe6
Rd8 60. Kc6 Rh8 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.20"]
[Round "7"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D28"]
[PlyCount "34"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Qe2 Nc6 8. Rd1
b5 9. Bb3 c4 10. Bc2 Nb4 11. a3 $146 ({RR} 11. e4 Bb7 12. d5 Qc8 13. Bg5 Nxc2
14. Qxc2 h6 15. Bh4 g5 16. Bg3 Bg7 17. a4 exd5 18. exd5 O-O 19. axb5 axb5 20.
Nc3 Rxa1 21. Rxa1 b4 22. Nb5 Bxd5 23. Nd6 Qc5 24. Qf5 Nh5 25. Ra6 Nxg3 {
Hoenlinger,B-Kolnhofer,J Vienna 1934 1/2-1/2 (50)}) ({RR} 11. e4 Nxc2 12. Qxc2
Bb7 13. d5 exd5 14. Nc3 Bc5 15. Bg5 d4 16. Nxd4 Bxd4 17. Be3 Bxe3 18. Rxd8+
Rxd8 19. fxe3 O-O 20. Rd1 Rxd1+ 21. Qxd1 Nxe4 22. Nxe4 Bxe4 23. Qd6 Ra8 24. g4
h6 25. Kf2 Bb7 {Barsov,A (2450)-Van Wely,L (2570) Netherlands 1994 1/2-1/2 (41)
}) ({RR} 11. e4 Nxc2 12. Qxc2 Bb7 13. Re1 Be7 14. Bf4 O-O 15. Nbd2 Nh5 16. Be5
f6 17. Bg3 Nxg3 18. hxg3 Bb4 19. Re2 Bxd2 20. Rxd2 f5 21. d5 fxe4 22. Qxe4 Bxd5
23. Qe3 Qf6 24. Ne5 Rfd8 25. Rd4 Qe7 {Haselhorst,H (2119)-Schmidt,T (1695)
Neustadt an der Weinstrasse 2012 1-0 (40)}) ({RR} 11. Nc3 Nxc2 12. Qxc2 Bb7 13.
d5 Qb6 ({RR} 13... exd5 14. e4) 14. e4 Bc5 15. Bg5 O-O ({RR} 15... Ng4 16. Bh4)
16. a4 Rac8 ({RR} 16... b4 17. a5 Qc7 18. Bxf6 gxf6 19. Ne2) 17. a5 Qc7 18.
Bxf6 ({RR} 18. d6 Bxd6 19. Rxd6 Qxd6 20. e5 Qc5 21. Be3 ({RR} 21. exf6 Bxf3)
21... Qc7 22. exf6) 18... gxf6 19. Qd2 ({RR} 19. e5 fxe5 20. Ng5) 19... Rfd8
20. Qh6 Be7 21. e5 Bf8 ({RR} 21... fxe5 22. Ng5 Bxg5 23. Qxg5+ Kf8 24. dxe6)
22. Qxf6 Bxd5 23. Nxd5 ({RR} 23. Rd4 Bxf3) 23... Rxd5 24. Rxd5 exd5 25. Qf5 ({
RR} 25. Qxa6 b4) 25... h6 {Vidmar,M-Gruenfeld,E Warsaw 1935 1/2-1/2}) 11...
Nxc2 12. Qxc2 Bb7 13. Nc3 Nd5 14. Ne2 Nf6 15. Nc3 Nd5 16. Ne2 Nf6 17. Nc3 Nd5
1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.22"]
[Round "8"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "E24"]
[PlyCount "127"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 O-O 7. Bg5 d6 ({RR
} 7... h6 8. Bxf6 Qxf6 9. e4 d6 10. e5 dxe5 11. dxe5 Qe7 12. Bd3 Rd8 13. Qe2
Nd7 14. h4 Nf8 15. Rh3 Bd7 16. Be4 Rab8 17. Rg3 b5 18. Kf1 a5 19. Qe3 Kh8 20.
Nh2 Ng6 21. Ng4 Qxh4 22. Kg1 {Georgiev,V (2553)-Molner,M (2455) Los Angeles
2011 1-0 (35)}) ({RR} 7... h6 8. Bh4 g5 9. Bg3 Nc6 10. Qc2 d5 11. e3 Ne4 12.
Bd3 Nxg3 13. hxg3 f6 14. Ke2 Kg7 15. Rh5 Rh8 16. Rah1 cxd4 17. cxd4 f5 18. cxd5
Ne7 19. dxe6 Bxe6 20. Nxg5 Qd5 21. Nxe6+ Qxe6 22. Bxf5 {Aleman Alamo,N (1558)
-Mustelier Martinez,M Las Palmas 2013 1-0 (35)}) 8. Qc2 $146 ({RR} 8. e3 b6 9.
Bd3 Nc6 10. O-O Ba6 11. Nd2 d5 12. Qf3 Na5 13. Rad1 cxd4 14. exd4 Nxc4 15. Qe2
Rc8 16. Bc2 Nxa3 17. Bxh7+ Kxh7 18. Qxa6 Nc4 19. Nxc4 Rxc4 20. Rd3 Qe7 21. Qa2
Rfc8 22. Qc2 Kg8 {Hasanova,T-Warakomska,A (1911) Urgup 2004 1-0}) 8... Re8 9.
e4 h6 10. Be3 Qa5 11. Bd2 e5 12. Bd3 Nc6 13. O-O Qc7 14. d5 Ne7 15. Nh4 g5 16.
Nf5 Nxf5 17. exf5 e4 18. Be2 Bxf5 19. h4 Nh7 20. g4 e3 21. Qxf5 Re5 22. Qd3
exd2 23. Qxd2 Rae8 24. Bd3 Qe7 25. Bf5 Re2 26. Qd3 Nf8 27. h5 Qe5 28. Rab1 b6
29. Qf3 Qf6 30. a4 Kg7 31. Qd3 R8e7 32. Ra1 Qe5 33. a5 Nd7 34. Qf3 Qf6 35. axb6
Nxb6 36. Rxa7 Nxc4 37. Rxe7 Rxe7 38. Rd1 Ra7 39. Rc1 Qe5 40. Bd3 Nd2 41. Qf5
Qxf5 42. Bxf5 Nf3+ 43. Kg2 Nh4+ 44. Kg3 Nxf5+ 45. gxf5 Kf6 46. Re1 Ra4 47. Re8
Rc4 48. Rh8 Rxc3+ 49. Kg2 Kxf5 50. Rxh6 f6 51. Rh7 Ke5 52. h6 Ra3 53. Re7+ Kxd5
54. h7 Ra8 55. Kg3 f5 56. f4 gxf4+ 57. Kxf4 c4 58. Kxf5 c3 59. Rd7 Rc8 60. Rc7
Rf8+ 61. Kg6 Kd4 62. Kg7 Rb8 63. h8=Q Rxh8 64. Kxh8 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.25"]
[Round "9"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "92"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 c5 2. d5 e5 3. e4 d6 4. f4 exf4 5. Bxf4 Qh4+ 6. g3 Qe7 7. Nc3 g5 8. Be3 (
{RR} 8. Bd2 Bg7 9. Bg2 Nd7 10. Nf3 h6 11. O-O Ne5 12. Qe2 Bg4 13. Nd1 Nf6 14.
Bc3 O-O 15. Bxe5 Qxe5 16. h3 Bxf3 17. Qxf3 {1/2-1/2 (17) Sieiro Gonzalez,L
(2361)-Oddone,C (2231) Asuncion 2009}) 8... Nd7 $146 ({RR} 8... Bg7 9. Qd2 h6
10. Be2 Nf6 11. O-O-O Nbd7 12. Bd3 Ne5 13. Bb5+ Bd7 14. Bxd7+ Qxd7 15. Qe2 O-O
16. Nf3 Rfe8 17. h4 Nxf3 18. Qxf3 g4 19. Qg2 b5 20. e5 Rxe5 21. Bf4 Re7 22.
Rdf1 b4 23. Nd1 {Gutierrez Martos,F (2001)-Colas Longares,R (2280) Balaguer
2007 0-1 (60)}) 9. Nf3 h6 10. Qd2 Ngf6 11. O-O-O Ng4 12. Be2 Bg7 13. Rhf1 Nxe3
14. Qxe3 a6 15. Ng1 b5 16. Rde1 Bb7 17. Nd1 O-O-O 18. Bg4 Kb8 19. Bxd7 Rxd7 20.
Qd2 g4 21. Ne3 Qe5 22. c3 h5 23. Nf5 Bf6 24. Qf4 Qxf4+ 25. gxf4 Rdd8 26. c4
bxc4 27. Ne3 c3 28. b3 Bd4 29. Nc4 f5 30. e5 dxe5 31. fxe5 Bxd5 32. Rxf5 Rdf8
33. Rxf8+ Rxf8 34. e6 Re8 35. e7 Bxc4 36. bxc4 Bxg1 37. Rxg1 Rxe7 38. h3 gxh3
39. Kc2 h2 40. Rb1+ Rb7 41. Rh1 Rb2+ 42. Kxc3 Rxa2 43. Kd3 Kc7 44. Ke4 Kc6 45.
Kf5 a5 46. Kg5 a4 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.27"]
[Round "10"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "162"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 {ChessBase} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2
({RR} 7. cxd5 Nxd5 8. e4 Nxc3 9. bxc3 Qxc3+ 10. Bd2 Qa3 11. Bc4 Bb4 12. O-O
Bxd2 13. Qxd2) 7... Bb4 8. Qc2 dxc4 9. Bxf6 Nxf6 10. Nxc4 Bxc3+ ({RR} 10... Qc7
) 11. Qxc3 Qxc3+ 12. bxc3 Ke7 13. f3 Bd7 14. Rb1 $146 ({RR} 14. Ne5 Rhc8 15.
Kd2 Rc7 16. Bd3 c5 17. Rhb1 Rd8 18. a4 Bc8 19. a5 Nd7 ({RR} 19... Ne8 20. f4
Nd6) 20. Nxd7 Bxd7 21. Be4 Bc8 22. f4 h6 23. Rb5 ({RR} 23. h4 g5) 23... f5 ({RR
} 23... f6 24. Rab1 e5 25. Kd3) 24. Bf3 g5 25. g3 g4 ({RR} 25... Kf6 26. Rab1
Rdd7) 26. Bg2 Rdd7 27. Rh1 Kd6 28. Rd1 ({RR} 28. h4) 28... h5 {Alekhine,
A-Bogoljubow,E Germany 1934 MainBase [ChessBase] 1/2-1/2 (44)}) 14... b6 15.
Ne5 Rhc8 16. Ba6 Rc7 17. Kd2 c5 18. Rhc1 Rd8 19. g4 Ba4 20. h4 Nd7 21. Nxd7
Rcxd7 22. f4 h6 23. Ke2 Bc6 24. Bb5 Rd6 25. Bxc6 Rxc6 26. Kd3 f6 27. a4 e5 28.
a5 Rcd6 29. axb6 axb6 30. f5 R8d7 31. Ra1 b5 32. Ra5 cxd4 33. cxd4 exd4 34. e4
Rb6 35. Rb1 b4 36. g5 b3 37. e5 fxe5 38. Rxe5+ Kf7 39. Rb2 Rb4 40. Re4 Rd5 41.
Rf4 hxg5 42. hxg5 Rbb5 43. f6 g6 44. Rf3 Rxg5 45. Kxd4 Rg4+ 46. Kc3 Rgb4 47.
Rf1 g5 48. Rbf2 b2 49. Rb1 Rb8 50. Kd3 R4b6 51. Ke3 Rb3+ 52. Kd2 R8b7 53. Kc2
R7b6 54. Kd1 R3b4 55. Ke1 R4b5 56. Kd1 g4 57. Kc2 Rb3 58. Rh2 Kxf6 59. Rh8 Kg7
60. Rh4 Rg3 61. Rh2 Rgb3 62. Rh4 R3b4 63. Kc3 Kg6 64. Rhh1 Kg5 65. Kd2 R4b5 66.
Ke2 Rh6 67. Rhg1 Rh2+ 68. Kd3 Kh4 69. Rge1 Rd5+ 70. Kc3 Rc5+ 71. Kb3 Rc1 72.
Rbxc1 bxc1=Q 73. Rxc1 g3 74. Rc8 g2 75. Rc4+ Kg3 76. Rc3+ Kf2 77. Rc2+ Ke1 78.
Rc1+ Ke2 79. Rc2+ Kd1 80. Ra2 Rh3+ 81. Kc4 Rg3 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.04.29"]
[Round "11"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "A92"]
[PlyCount "124"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. c4 O-O 6. Nc3 d6 7. Bf4 ({RR} 7. b3
Ne4 8. Qc2 Nxc3 9. Qxc3 a5 10. O-O Qe8 11. Bg5 c6 12. Bxe7 Qxe7 13. e3 Nd7 14.
Rac1 Nf6 15. c5 d5 16. Ne5 Bd7 17. f3 Be8 18. e4 Bh5 19. exf5 exf5 20. Rce1 Qc7
21. Bh3 Bg6 {Lajthajm,B (2480)-Novoselski,Z (2412) Belgrade 2009 1-0}) ({RR} 7.
b4 a5 8. b5 Ne4 9. Nxe4 fxe4 10. Nd2 d5 11. e3 a4 12. O-O c6 13. bxc6 bxc6 14.
f3 {1/2-1/2 (14) Bincik,P (1916)-Chovanec,V (2114) Slovakia 2012}) 7... Qe8
$146 ({RR} 7... Nh5 8. Qb3 Nxf4 9. gxf4 c6 10. h4 Kh8 11. Ng5 Bf6 12. O-O-O Qc7
13. e3 a6 14. Kb1 c5 15. dxc5 dxc5 16. Na4 Nc6 17. Nxc5 Qe7 18. Qb6 h6 19. Rd2
Qe8 20. Nxb7 Bxb7 21. Qxb7 Rc8 22. Qxa6 {Cleven,M (2051)-Stoilkovska,S (2074)
Oropesa del Mar 1999 1-0 (31)}) ({RR} 7... Nbd7 8. Qd3 h6 9. h4 Rb8 10. Rb1 b6
11. e4 fxe4 12. Nxe4 Bb7 13. Nc3 e5 14. dxe5 dxe5 15. Bxh6 e4 16. Qe3 Ng4 17.
Qd2 exf3 18. Bh3 Nde5 19. Nd5 Bxd5 20. cxd5 Nxh6 21. Be6+ Kh8 22. Rc1 {Smeyts,
P-Biebinger,H Bad Duerkheim 1993 0-1 (35)}) 8. Rc1 Nc6 9. d5 Nd8 10. Nb5 Qd7
11. Qb3 a6 12. dxe6 Nxe6 13. Nc3 Nxf4 14. gxf4 Kh8 15. Nd5 Bd8 16. e3 Ne4 17.
Nd4 c5 18. Ne2 Ba5+ 19. Ndc3 b5 20. O-O Bb7 21. Nxe4 Bxe4 22. Rfd1 Bxg2 23.
Kxg2 Rab8 24. cxb5 Rxb5 25. Qd5 Rxb2 26. Ng3 Bb6 27. a3 c4 28. Kg1 Qe8 29. Rxc4
Bc5 30. a4 Qg6 31. Rc3 h5 32. h4 Qf6 33. Rcd3 g6 34. Qc4 a5 35. Qc3 Qxc3 36.
Rxc3 Ra2 37. Rc4 Rb8 38. Rd5 Rb1+ 39. Kg2 Rbb2 40. Nh1 Rb4 41. Rcxc5 dxc5 42.
Rxc5 Raxa4 43. Rc8+ Kg7 44. Rc7+ Kh6 45. Rc6 Ra2 46. Ng3 Kg7 47. Rc7+ Kf8 48.
Rc8+ Kf7 49. Rc7+ Ke8 50. Rc6 Rbb2 51. Nh1 Kf7 52. Rc7+ Kf6 53. Rc6+ Kg7 54.
Rc7+ Kh6 55. Rc6 a4 56. Kh3 a3 57. e4 fxe4 58. f5 e3 59. fxg6 exf2 60. Ng3 Rb3
61. Rf6 Kg7 62. Rxf2 Rxg3+ 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.02"]
[Round "12"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "D49"]
[PlyCount "149"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 {Lutz,C} Nf6 2. c4 e6 3. Nf3 c6 4. Nc3 d5 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4
b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O Qd5 14.
Qe2 Ba6 15. Bg5 ({RR} 15. a4 Bd6 16. axb5 Bb7 17. Rxa8+ Bxa8 18. Nc6 Bxc6 19.
bxc6 O-O 20. Qf3 Rc8 21. Qxd5 Nxd5 22. Bb5 Rb8 23. Ba4 Ra8 24. Bb5 Ra5 25. Bc4
Rc5 26. Bxd5 exd5 27. Bg5 Rxc6 28. Rc1 Rc4 29. Kf1 d3 {Spielmann,R-Bogoljubow,
E Semmering 1932 1/2-1/2 (52)}) 15... Be7 ({RR} 15... Bd6 16. f4 Bxe5 ({RR}
16... O-O 17. Bxf6 gxf6 18. Qg4+ Kh8 19. Qh4 f5 20. Qf6+ Kg8 21. Rf3) 17. fxe5
Bb7 ({RR} 17... Nd7 18. Be4 Qxe5 19. Bf4) 18. Bxf6 gxf6 19. Bxb5+ Kf8 20. Rxf6
Rg8 21. Rf2 Rxa2 ({RR} 21... Rg5) 22. Rxa2 Qxa2 23. Rxf7+ Kxf7 24. Qf1+ Kg6 25.
Qf6+ {1-0 (25) Lalic,B (2585)-Becerra Rivero,J (2510) Linares 1997 CBM 058
[Lutz,C]} {RR} Kh5 26. Be2+ Rg4 ({RR} 26... Bf3 27. Bxf3+ Rg4 28. Bxg4+ Kxg4
29. h3+ Kg3 30. Qf2#) 27. Bxg4+ Kxg4 28. h3+ Kh5 ({RR} 28... Kg3 29. Qg5#) 29.
g4#) ({RR} 15... h6) ({RR} 15... h6 16. Bh4 Be7 17. f4 Rc8 18. f5 O-O 19. fxe6
Qxe6 20. Rae1 Rfe8 21. Qf2 Bb4 22. Re2 Bd2 23. Rxd2 Qxe5 24. Bxf6 Qxf6 25. Qxf6
gxf6 26. Rxf6 Re6 27. Rf5 b4 28. Bxa6 Rxa6 29. Rxd4 Rb8 30. Rff4 {Aghaei,A
(2112)-Santos Latasa,J (2263) Porto Carras 2010 1/2-1/2 (33)}) 16. a4 $146 ({RR
} 16. Rac1 O-O 17. f4 Rac8 18. a4 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Bxc8 21. axb5 Bb7
22. Qc2 Bd6 23. Nc6 Ng4 24. Qc4 Qxc4 25. Bxc4 Ne3 26. Bd3 Nd1 27. f5 Nxb2 28.
fxe6 fxe6 29. Bc2 Bxc6 30. bxc6 Kf7 {Toshkov,T (2440)-Dolmatov,S (2525) Sofia
1984 0-1 (56)}) ({RR} 16. f4 Rb8 17. Rac1 O-O 18. Nc6 Rb7 19. Nxe7+ Rxe7 20.
Bxf6 gxf6 21. Qg4+ Kh8 22. Qh4 f5 23. Qxe7 {1-0 (23) Seres,L-Varga,P Hungary
1989}) 16... O-O 17. axb5 Bb7 18. f4 h6 19. Bh4 Rxa1 20. Rxa1 Ra8 21. Rf1 Bc5
22. Nc6 Bxc6 23. bxc6 Qxc6 24. Bxf6 gxf6 25. Qg4+ Kf8 26. Qh5 Bb6 27. Qxh6+ Ke7
28. Qh5 Rb8 29. Qe2 Ba5 30. h4 Qd6 31. h5 Qb4 32. Qc2 f5 33. Rc1 Kf6 34. Qf2
Kg7 35. Rd1 Kh8 36. b3 Rg8 37. Bc4 Qc3 38. Kf1 Bb6 39. Qe1 Qxe1+ 40. Rxe1 Rg4
41. Ra1 Rxf4+ 42. Ke2 Re4+ 43. Kd1 Kg7 44. Ra8 Bc5 45. Rb8 Bd6 46. Rb7 Kf6 47.
b4 Rg4 48. b5 Rxg2 49. Rd7 Bc5 50. Rc7 Bb4 51. Rd7 Rd2+ 52. Kc1 Rh2 53. b6 Bd2+
54. Kb1 Bf4 55. b7 Rxh5 56. Rd8 Rh2 57. b8=Q Bxb8 58. Rxb8 e5 59. Rd8 Rh3 60.
Rd7 Rc3 61. Bxf7 d3 62. Kb2 Rc2+ 63. Kb3 e4 64. Bc4 Ke5 65. Rd5+ Kf4 66. Bb5
Rh2 67. Kc3 Rh5 68. Bd7 Rg5 69. Kd2 Rg2+ 70. Kc3 Rg5 71. Kd2 Rh5 72. Kc3 Ke3
73. Bxf5 d2 74. Kc2 Rh6 75. Rxd2 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.06"]
[Round "13"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "147"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. Nf3 Nf6 2. d4 b6 3. Bg5 Ne4 4. Bh4 Bb7 5. e3 h6 6. Nbd2 g5 7. Bg3 Nxg3 8.
hxg3 e6 $146 ({RR} 8... Bg7 9. Bd3 d6 10. Qe2 c5 11. c3 Nd7 12. g4 Qc7 13. Nf1
Nf6 14. Ng3 e6 15. O-O-O O-O-O 16. Ne1 cxd4 17. exd4 Nd5 18. Ba6 Nf4 19. Bxb7+
Qxb7 20. Qf3 Qxf3 21. gxf3 Rhe8 22. Nd3 Ng6 23. f4 {Berger,A (2080)-Morales
Moreno,H (2305) Issy Meudon 1991 1/2-1/2 (65)}) 9. c3 d6 10. Qa4+ c6 11. Ne4 g4
12. Nh4 Nd7 13. O-O-O Rg8 14. c4 d5 15. Nc3 a6 16. Qc2 b5 17. c5 f5 18. Kb1 Qc7
19. Bd3 O-O-O 20. Ne2 Re8 21. Nf4 Kb8 22. Nhg6 Bg7 23. Rh2 Bc8 24. Rh5 Nf8 25.
Nxf8 Bxf8 26. Rdh1 Bg7 27. a3 Qf7 28. Ka2 e5 29. dxe5 d4+ 30. Kb1 dxe3 31. e6
Bxe6 32. Nxe6 Qxe6 33. Bxf5 Qf6 34. fxe3 Rxe3 35. Bxg4 Rge8 36. Rd1 R3e4 37.
Rf5 Qe7 38. Rf4 Re1 39. Rf1 Rxf1 40. Rxf1 Rd8 41. Bf3 Qe3 42. Qe4 Qxe4+ 43.
Bxe4 Rc8 44. Rd1 Kc7 45. Bf3 Be5 46. Re1 Re8 47. Re4 a5 48. b4 a4 49. Kc2 Re7
50. Rh4 Re6 51. Rg4 Ba1 52. Rg8 Bd4 53. Rf8 Re7 54. g4 Kb7 55. Rg8 Bg7 56. Rd8
Be5 57. Rf8 Bd4 58. Rf5 Be3 59. Rf6 Rc7 60. Re6 Bg5 61. Be4 Rc8 62. g3 Rc7 63.
Rd6 Rc8 64. Bf5 Rd8 65. Re6 Rd2+ 66. Kb1 Rd1+ 67. Kc2 Rd2+ 68. Kb1 Rd1+ 69. Kb2
Rd2+ 70. Ka1 Rd1+ 71. Ka2 Rd2+ 72. Ka1 Rd1+ 73. Kb2 Rd2+ 74. Kb1 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.08"]
[Round "14"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "D60"]
[PlyCount "107"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. Qb3 Be7 7. e3 O-O 8. Be2
Ne4 9. Bxe7 Qxe7 10. Nxe4 dxe4 11. Nd2 e5 12. O-O-O Nf6 $146 ({RR} 12... exd4
13. exd4 c5 14. Qe3 f5 15. d5 Nf6 16. f4 Bd7 17. d6 Qf7 18. Qxc5 Rfc8 19. Qd4
Rc6 20. Kb1 b6 21. Nb3 Be6 22. Qe5 Nd7 23. Qb5 Rac8 24. Rd4 Bxc4 25. Bxc4 Rxc4
26. Rxc4 Rxc4 27. Rc1 {Kogan,S-Belavenets,S Moscow 1938 1/2-1/2 (33)}) 13. h3
Rb8 14. g4 Re8 15. Rhe1 h6 16. Qc3 Bd7 17. Nb3 b6 18. Rg1 exd4 19. Qxd4 c5 20.
Qd6 Ba4 21. h4 g5 22. hxg5 hxg5 23. Qh2 Kg7 24. Rh1 Rh8 25. Qg3 Rbe8 26. Rxh8
Rxh8 27. Rg1 Bxb3 28. axb3 Re8 29. Rh1 Qe5 30. Qh3 Kf8 31. Rd1 Ke7 32. Kb1 Rd8
33. Rxd8 Kxd8 34. Qh8+ Ke7 35. Qc8 Nd7 36. Qb7 a5 37. Ka2 Kd8 38. Bd1 Qe6 39.
Bc2 Nf6 40. f3 exf3 41. Qxf3 Kc7 42. Bf5 Qc6 43. Qg3+ Qd6 44. Qg2 Ng8 45. Qa8
Ne7 46. e4 Qd8 47. Qa7+ Kd6 48. Qb7 Ke5 49. Bd7 f6 50. Ka3 Kd6 51. Bb5 Ke5 52.
Bd7 Kd6 53. Bb5 Ke5 54. Bd7 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.11"]
[Round "15"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D21"]
[PlyCount "139"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. Nf3 e6 2. c4 d5 3. d4 dxc4 4. Nc3 a6 5. e3 b5 6. a4 b4 7. Nb1 Nf6 8. Bxc4
Bb7 9. O-O c5 10. Nbd2 $146 ({RR} 10. b3 Qc7 11. Bb2 Ng4 12. Nbd2 cxd4 13. exd4
Qf4 14. h3 h5 15. g3 Qh6 16. d5 Bc5 17. hxg4 hxg4 18. Nh4 exd5 19. Re1+ Kf8 20.
Ne4 Nd7 21. Bxd5 Be7 22. Bxb7 Bxh4 23. Qd6+ Qxd6 24. Nxd6 Rb8 {Heil,S (2334)
-Fahnenschmidt,G (2225) Halle 2000 1-0 (36)}) 10... cxd4 11. exd4 Bd6 12. Re1
O-O 13. Ne5 Nbd7 14. Bb3 Be7 15. Ndc4 Nd5 16. a5 Qc7 17. Qd3 Rad8 18. Qg3 Bf6
19. Bd2 Nb8 20. Rac1 Qe7 21. Ba4 Rc8 22. Qb3 Bg5 23. Ne3 Rxc1 24. Rxc1 Rd8 25.
g3 Nxe3 26. fxe3 Bd5 27. Qd3 Qb7 28. Rf1 Be4 29. Qc4 Bd5 30. Qd3 Rf8 31. Nc4
Be4 32. Qe2 Be7 33. Nb6 Nc6 34. Qh5 Bg6 35. Qf3 Nxa5 36. Qxb7 Nxb7 37. Rc1 Rb8
38. Nd7 Rd8 39. Rc7 Be4 40. Nb6 Bd6 41. Rc1 h6 42. Bd1 Bf8 43. Kf2 e5 44. Rc8
Rxc8 45. Nxc8 Na5 46. Nb6 Bd3 47. Nd5 Nc4 48. Nxb4 Be4 49. Bc3 Nxb2 50. Bxb2
Bxb4 51. dxe5 Kf8 52. Bb3 Ke7 53. Ke2 a5 54. Bd4 h5 55. Ba4 g6 56. Bb3 Bf5 57.
Bd5 Bc2 58. e4 a4 59. Ke3 g5 60. Ke2 Kf8 61. Ke3 Kg7 62. Ke2 Kg6 63. Ke3 h4 64.
Ke2 Bb1 65. Ke3 a3 66. Ke2 Bc2 67. Ke3 Bb1 68. Ke2 a2 69. Kd1 Bc5 70. Bxa2
1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.13"]
[Round "16"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "85"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. Nc3 Bd6 7. d3 ({RR} 7.
d4 Bb4 8. Nxe5 Nxe4 9. O-O Bxc3 10. bxc3 O-O 11. Ba3 Nd6 12. c4 f6 13. Ng4 Re8
14. Ne3 Nf5 15. Nxf5 Bxf5 16. Qd2 Be6 17. Qc3 Qd7 18. Rfe1 Qf7 19. Qb2 b6 20.
c5 b5 21. Bb4 a5 {Kurajica,B (2525)-Karpov,A (2695) Skopje 1976 0-1 (57)}) ({RR
} 7. d4 Nd7 8. dxe5 Nxe5 9. Nxe5 Bxe5 10. Qxd8+ Kxd8 11. Ne2 Re8 12. Bg5+ f6
13. O-O-O+ Ke7 14. Be3 Kf7 15. Rd2 Bd6 16. Ng3 g6 17. f4 Bf5 18. c4 Bxe4 19. c5
Bd5 20. cxd6 Rxe3 21. dxc7 Rc8 {Al Qudaimi,B (2398)-Haddouche,M (2386) Doha
2011 0-1 (64)}) ({RR} 7. d4 Qe7 8. dxe5 Bxe5 9. Nxe5 Qxe5 10. Qf3 O-O 11. Bf4
Qa5 12. O-O Be6 13. Rfe1 Rad8 14. h3 Rd7 15. Rad1 Rfd8 16. Rxd7 Rxd7 17. a3 h6
18. Bxh6 Qb6 19. e5 Ne8 20. Bc1 Qd4 21. Bf4 Qb6 {Alekhine,A-Gustavsson
Gothenburg 1935 1-0 (37)}) 7... c5 8. h3 Be6 $146 ({RR} 8... b6 9. Qe2 Be6 10.
Bd2 Qd7 11. Nd1 Qc6 12. Bc3 Nd7 13. Ne3 O-O-O 14. Nd2 b5 15. b3 g6 16. a4 f5
17. axb5 axb5 18. f3 f4 19. Nd1 h5 20. Nf2 g5 21. Ra5 Nf6 22. Qd1 Kb7 23. Qa1 {
Schweiger,J-Steiner,E Budapest 1921 0-1 (63)}) 9. Be3 h6 10. a4 c4 11. d4 exd4
12. Bxd4 Bb4 13. O-O c6 14. e5 Nd5 15. Ne4 Nf4 16. Bc5 Bxc5 17. Qxd8+ Rxd8 18.
Nxc5 b6 19. Nb7 Rd7 20. Nd6+ Ke7 21. Nd4 Bd5 22. g3 Nxh3+ 23. Kh2 Ng5 24. f4
Ne4 25. N6f5+ Kd8 26. Nxg7 f6 27. Rad1 Kc8 28. Ndf5 fxe5 29. fxe5 Rg8 30. e6
Rdxg7 31. Nxg7 Rxg7 32. Rxd5 cxd5 33. Rf8+ Kc7 34. Rf7+ Kd6 35. Rxg7 Kxe6 36.
Rg6+ Ke5 37. Kg2 b5 38. a5 d4 39. Rxa6 b4 40. Kf3 c3 41. bxc3 bxc3 42. Re6+
Kxe6 43. Kxe4 1-0

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.20"]
[Round "17"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "D24"]
[PlyCount "82"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. Ng5 e6 8. Qf3 ({
RR} 8. Qh5 Qe7 9. Be2 g6 10. Qh3 Bb7 11. Bf3 h6 12. O-O Bg7 13. Nge4 Nd7 14.
Re1 Kf8 15. Bd2 Rb8 16. Rad1 Kg8 17. a3 Nxc3 18. Bxc3 Bxe4 19. Bxe4 Kh7 20. Bc6
Nb6 21. Qf3 Nd5 22. Bxd5 exd5 {Le Roux,J (2563)-Karpatchev,A (2458) Sautron
2012 1-0 (51)}) 8... Qd7 9. Nxd5 $146 ({RR} 9. Qg3 Nb4 10. Be2 Nc2+ 11. Kf1
Nxa1 12. Bh5 g6 13. Bf3 c6 14. Nge4 Be7 15. Bg5 Nc2 16. Bf6 Rf8 17. Nd6+ Kd8
18. Qf4 Kc7 19. Nce4 Nb4 20. Nc5 Qd8 21. Qd2 Nd5 22. Qa5+ Nb6 23. Bg7 Rg8 {
Fernandez,J (2180)-Quatrini,A (2140) Mar del Plata 1999 0-1}) 9... exd5 10. a3
Nc6 11. Be3 Nd8 12. Be2 Qf5 13. Qg3 h6 14. Nh3 c6 15. f4 Qc2 16. Qf2 Bxa3 17.
O-O Bxb2 18. Rae1 Bf5 19. g4 Be4 20. f5 Nb7 21. Nf4 O-O-O 22. Qg3 g5 23. fxg6
fxg6 24. Bd1 Qc3 25. Ne6 Rde8 26. Rf6 Re7 27. Ref1 Rhe8 28. Nf4 Nd8 29. Qf2 Qa3
30. Bf3 Bxf3 31. Qxf3 g5 32. Ne2 Re6 33. Rf5 Qd3 34. h4 Rg6 35. h5 Rge6 36. Qf2
c5 37. Rf3 Qc2 38. Qe1 Nc6 39. R1f2 Qe4 40. Ng3 Qxg4 41. Kg2 Bxd4 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.21"]
[Round "18"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "56"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. dxc5 ({RR} 5. Nbd2 Nc6 6. a3 Bd6 7.
O-O c4 8. Be2 b5 9. c3 Bb7 10. Qc2 Qc7 11. h3 Ne7 12. b4 O-O 13. Re1 h6 14. Nf1
Ne4 15. N3d2 f5 16. f4 g5 17. Nxe4 dxe4 18. g3 a5 19. Bd2 Nd5 {Livaja,B (2252)
-Maksimovic,B (2440) Nis 2011 0-1}) 5... Bxc5 6. a3 ({RR} 6. O-O Nc6 7. Bb5 Qc7
8. c4 dxc4 9. Qc2 Nd7 10. Bxc6 Qxc6 11. Qxc4 Be7 12. Qg4 Nf6 13. Qd4 O-O 14.
Ne5 Qd5 15. Nc3 Qxd4 16. exd4 Rd8 17. Be3 Nd5 18. Nxd5 exd5 19. Rac1 f6 20. Nd3
b6 {Turk,T (1906)-Karkovic,M (2007) Podturen 2013 1-0 (78)}) 6... O-O $146 ({RR
} 6... Nc6 7. b4 Bd6 8. Bb2 Qc7 9. Nbd2 e5 10. Be2 O-O 11. c4 e4 12. Nd4 Nxd4
13. Bxd4 a5 14. c5 Be5 15. Nb3 Bxd4 16. Nxd4 Ne8 17. O-O f5 18. g3 Qe5 19. Nb5
Be6 20. Qd4 Qb8 21. Nc3 {Romero Perera,E (2113)-Godesard Forgas,C (2075)
Barcelona 2011 1-0 (47)}) 7. b4 Be7 8. Nbd2 a5 9. b5 Nbd7 10. Bb2 Nc5 11. a4
Nxd3+ 12. cxd3 Nd7 13. O-O f6 14. d4 Nb6 15. Qb3 Bd7 16. Rfc1 Nc8 17. e4 Nb6
18. Ba3 Bxa3 19. Qxa3 Be8 20. e5 Bh5 21. exf6 Qxf6 22. Rc7 Bxf3 23. Nxf3 Nc4
24. Qc3 Rf7 25. Rxf7 Qxf7 26. Ne5 Nxe5 27. dxe5 Rf8 28. Rf1 Ra8 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.26"]
[Round "19"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D27"]
[PlyCount "115"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. e3 Nf6 5. Bd3 c5 6. O-O dxc4 7. Bxc4 a6 8. Ne5 (
{RR} 8. Re1 Nc6 9. Nc3 b5 10. Bd3 Bb7 11. a4 b4 12. Ne4 Nxe4 13. Bxe4 Qb6 14.
a5 Qc7 15. Bd2 Nxa5 16. Bxb7 Nxb7 17. Ne5 f6 18. Qa4+ Ke7 19. Nd3 Kf7 20. Rec1
Qb6 21. Bxb4 cxb4 22. Qd7+ Be7 {Kozul,Z (2583)-Mista,A (2537) Plovdiv 2008 1/
2-1/2 (72)}) ({RR} 8. Re1 b5 9. Bd3 Bb7 10. e4 cxd4 11. Nxd4 Nbd7 12. e5 Nd5
13. Nxe6 fxe6 14. Qh5+ Ke7 15. Bg5+ N7f6 16. exf6+ Nxf6 17. Bf5 Bc8 18. Qh3 Qb6
19. Nc3 Kf7 20. Be4 Rb8 21. Bxf6 gxf6 22. Qh5+ Kg7 {Marchini,D (1871)-Fiori,G
(1907) Milan 2013 1-0}) 8... Qc7 9. Nd2 $146 ({RR} 9. Qe2 Nc6 10. Nxc6 Qxc6 11.
a4 b6 12. f4 Be7 13. dxc5 Bxc5 14. Nd2 O-O 15. Nb3 Bd6 16. Nd4 Qc7 17. Bd2 e5
18. fxe5 Bxe5 19. Nf3 Bd6 20. Bc3 Ne4 21. Rfc1 Nxc3 22. Rxc3 Qe7 23. Bd5 Rb8 {
Melkumjanz,N (2279)-Krallmann,M (2274) NRW 2000 1/2-1/2 (34)}) ({RR} 9. Qe2 b5
10. Bb3 Bb7 11. a4 c4 12. Bc2 Nbd7 13. f4 Bb4 14. Nc3 Bxc3 15. bxc3 O-O 16. e4
Rfd8 17. Rb1 Qa5 18. Bd2 Ne8 19. Nxc4 Qc7 20. axb5 axb5 21. Rxb5 Ba6 22. Rb4
Nd6 23. Bd3 Bxc4 {Jovic,S (2310)-Marjanovic,D (2061) Novi Sad 2010 1-0 (36)})
9... b5 10. Be2 cxd4 11. exd4 Bb7 12. a4 b4 13. Ndc4 Nd5 14. a5 Be7 15. Qa4+
Nc6 16. Nb6 Rd8 17. Nxd5 Rxd5 18. Bf3 Rb5 19. Nxc6 Bxc6 20. Bf4 Qd7 21. Bxc6
Qxc6 22. Rac1 Qe4 23. Bd6 Bxd6 24. Rc8+ Ke7 25. Rxh8 Qxd4 26. g3 Qxb2 27. Ra8
Qa3 28. Qd1 Qxa5 29. Ra7+ Bc7 30. Qd4 Rd5 31. Qe3 Rd7 32. Rc1 Bb6 33. Rxd7+
Kxd7 34. Qf3 Ke7 35. Qb7+ Kf6 36. Rc6 Bd4 37. Rc7 Qd5 38. Rxf7+ Kg6 39. Rd7
Qxb7 40. Rxb7 Bc3 41. Ra7 Kf5 42. Kf1 b3 43. Rxa6 b2 44. Rb6 Ke4 45. Ke2 Kd4
46. Kd1 Kd3 47. g4 e5 48. f3 Ke3 49. Rb3 Kf4 50. Kc2 Bd4 51. h4 g6 52. h5 gxh5
53. gxh5 h6 54. Kd2 Kg3 55. Ke2 Kf4 56. Rb4 Kg3 57. Rb3 Kf4 58. Rb4 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.27"]
[Round "20"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "88"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. Nf3 {ChessBase} Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 ({RR} 6.
e4 dxe4 7. Nxe4) 6... Qa5 7. Nd2 Bb4 8. Qc2 dxc4 ({RR} 8... O-O 9. Bh4 e5 10.
dxe5 Ne4 11. Ndxe4 dxe4 12. e6 Ne5 13. exf7+ Rxf7 14. O-O-O) 9. Bxf6 Nxf6 10.
Nxc4 Bxc3+ ({RR} 10... Qc7 11. a3 Be7 12. Be2 O-O 13. b4 Nd5 14. O-O Bd7 15.
Rfd1 Rfd8 16. e4 Nxc3 17. Qxc3 Be8 18. g3 b6 19. Rac1 Rac8 20. Rb1 a6 21. a4 b5
22. Ne5 a5 23. bxa5 b4) 11. Qxc3 ({RR} 11. bxc3 Qc7) 11... Qxc3+ 12. bxc3 Ke7
13. f3 ({RR} 13. Be2 b6 ({RR} 13... Ne4 14. Rc1) 14. f4 Bb7 15. Bf3 Rab8 16.
Kd2 Rhc8 17. Ne5) 13... Bd7 14. Ne5 $146 ({RR} 14. Rb1 b6 15. Ne5 Rhc8 16. Ba6
Rc7 17. Kd2 c5 18. Rhc1 Rd8 19. g4 Ba4 20. h4 Nd7 21. Nxd7 ({RR} 21. Nd3 Nb8
22. Bc4 cxd4 23. cxd4 Rdc8) ({RR} 21. Nc4 e5) 21... Rcxd7 22. f4 h6 ({RR} 22...
f6 23. Bd3 e5 24. fxe5 fxe5 25. Bxh7 exd4 26. exd4 cxd4 27. Re1+ Kd6 28. Bf5
dxc3+ 29. Kxc3 Rc7+ 30. Kb4 Bc2 31. Bxc2 Rxc2 32. Rbd1+ Kc7 33. Re7+ Kc8 34.
Rxd8+ Kxd8 35. Rxg7) 23. Ke2 Bc6 24. Bb5 Rd6 25. Bxc6 Rxc6 26. Kd3 f6 27. a4 ({
RR} 27. Ke2 Rcd6 ({RR} 27... Rdc8 28. Kd2) 28. Rc2) 27... e5 28. a5 ({RR} 28.
Ke4 exd4 29. cxd4 Re6+ 30. Kd3 Red6 31. Rc4 R8d7 32. Rb5 ({RR} 32. a5)) 28...
Rcd6 {Alekhine,A-Bogoljubow,E Germany 1934 MainBase [ChessBase] 0-1 (81)})
14... Rhc8 15. Kd2 Rc7 16. Bd3 c5 17. Rhb1 Rd8 18. a4 Bc8 19. a5 Nd7 20. Nxd7
Bxd7 21. Be4 Bc8 22. f4 h6 23. Rb5 f5 24. Bf3 g5 25. g3 g4 26. Bg2 Rdd7 27. Rh1
Kd6 28. Rd1 h5 29. Ke2 cxd4 30. Rxd4+ Ke7 31. Rxd7+ Kxd7 32. e4 a6 33. Re5 Kd6
34. Kd3 h4 35. exf5 exf5 36. Rd5+ Ke7 37. gxh4 Be6 38. Rd4 Rc5 39. Rb4 Rxa5 40.
Rxb7+ Kf6 41. Rb6 Ke7 42. Rb7+ Kf6 43. Rb6 Ke7 44. Rb7+ Kf6 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.05.30"]
[Round "21"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "126"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. Nf3 e6 3. c4 a6 4. c5 ({RR} 4. g3 dxc4 5. Bg2 Nc6 6. O-O Bd7 7. e3
Rb8 8. Qe2 b5 9. b3 cxb3 10. axb3 Qc8 11. e4 Nf6 12. d5 Nb4 13. Nc3 Be7 14. Nd4
c5 15. dxe6 fxe6 16. Nf3 Nc6 17. Bf4 Rb6 18. Rfd1 O-O {Cheparinov,I (2678)
-Ponkratov,P (2605) Khanty-Mansiysk 2013 1/2-1/2 (55)}) ({RR} 4. g3 dxc4 5. Bg2
Bb4+ 6. Nc3 Nc6 7. O-O Nge7 8. e4 O-O 9. Be3 b5 10. a4 Rb8 11. Qe2 Bd7 12. Rfd1
Re8 13. Ne1 e5 14. dxe5 Nxe5 15. f4 Ng4 16. axb5 axb5 17. Nc2 Nxe3 18. Qxe3
Bxc3 {Matuszewski,M (2375)-Mozharov,M (2518) Krakow 2013 1/2-1/2}) 4... b6 ({RR
} 4... Nc6 5. Bf4 Nge7 6. Nc3 Ng6 7. Be3 b6 8. cxb6 cxb6 9. h4 Bd6 10. h5 Nge7
11. h6 g6 12. Bg5 O-O 13. Bf6 b5 14. e3 Bd7 15. Bd3 Rc8 16. a4 b4 17. Ne2 Qb6
18. Nc1 Rc7 19. Nb3 {Alekhine,A-Rubinstein,A The Hague 1921 1-0 (50)}) 5. cxb6
c5 6. Nc3 Nd7 $146 ({RR} 6... Qxb6 7. e4 cxd4 8. Nxd4 Bc5 9. Be3 Qxb2 10. Rc1
Nd7 11. exd5 e5 12. Nf5 Bxe3 13. Nxe3 Ngf6 14. Be2 O-O 15. O-O Qb8 16. d6 Bb7
17. Nf5 g6 18. Ne7+ Kg7 19. Qd2 Nc5 20. Rfd1 Nce4 21. Nxe4 {Chabanon,J (2471)
-Shirazi,K (2445) Paris 2011 1-0 (53)}) 7. Na4 c4 8. Bd2 Bd6 9. b3 Bb7 10. e3
cxb3 11. Qxb3 Ne7 12. Bd3 O-O 13. O-O Nc6 14. Rfc1 e5 15. Bf5 e4 16. Ne1 Nf6
17. Nc5 Qe7 18. g3 Rfb8 19. a4 a5 20. Qb5 Nd8 21. Nxb7 Nxb7 22. Rab1 h5 23. Ng2
g6 24. Bh3 g5 25. Bf5 Qd8 26. Rc6 Be7 27. h4 gxh4 28. Nxh4 Nd6 29. Rxd6 Qxd6
30. b7 Ra7 31. Bc8 Bd8 32. Nf5 Qa6 33. Qc5 Raxb7 34. Rb5 Rxb5 35. Bxa6 Rxc5 36.
dxc5 Nd7 37. c6 Ne5 38. Nd4 Rb2 39. Bc3 Rb1+ 40. Kg2 Bb6 41. Bb7 Nf3 42. Nxf3
exf3+ 43. Kxf3 Bc7 44. Ba6 Rc1 45. Bd4 Rxc6 46. Bb7 Rc4 47. Bxd5 Rxa4 48. Ke2
Bd6 49. f4 Bf8 50. f5 Rb4 51. Bc3 Rg4 52. Be5 a4 53. e4 h4 54. Kf3 h3 55. Bf4
Rg7 56. g4 Rh7 57. Bh2 Bd6 58. Bxd6 h2 59. Bxh2 Rxh2 60. e5 a3 61. e6 fxe6 62.
Bxe6+ Kf8 63. Kf4 a2 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.06.01"]
[Round "22"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "E35"]
[PlyCount "83"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Nbd7 8.
e3 O-O 9. Bd3 c5 10. dxc5 Nxc5 11. Nge2 Nxd3+ $146 ({RR} 11... Be6 12. O-O Rc8
13. Rad1 Qe7 14. Bh7+ Kh8 15. Bf5 g5 16. Bg3 Nce4 17. Bxe4 Nxe4 18. Be5+ f6 19.
Bd4 a6 20. f3 Nxc3 21. Nxc3 Kg7 22. f4 b5 23. fxg5 hxg5 24. Rf5 Kh6 25. Rf2
Bxc3 26. bxc3 {Jones,G (2644)-Dorrington,C (2307) England 2012 1-0 (36)}) 12.
Qxd3 Be6 13. O-O Be7 14. Rfd1 Qa5 15. Nd4 Rfc8 16. Rac1 Rc4 17. b3 Rc5 18. Na4
Rxc1 19. Rxc1 Rc8 20. Rxc8+ Bxc8 21. Qc3 Qd8 22. f3 Bd7 23. Nb2 Qb6 24. Nd3 Ne4
25. fxe4 Bxh4 26. exd5 Qg6 27. Qd2 Qe4 28. Nf3 Qxd5 29. Nxh4 Bb5 30. Nf3 Bxd3
31. Kf2 Qf5 32. g4 Qe4 33. Qa5 Ba6 34. Qd8+ Kh7 35. Qd4 Qc2+ 36. Kg3 Bf1 37.
Qd5 Qc7+ 38. Kf2 Ba6 39. Qe4+ Kg8 40. Qe8+ Kh7 41. Qe4+ g6 42. h4 1/2-1/2

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.06.03"]
[Round "23"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1-0"]
[ECO "D23"]
[PlyCount "115"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 {Huzman} d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Bf5 6. Nc3 e6 7. g3
Nbd7 8. Bg2 Bc2 ({RR} 8... Be7 9. Qb3 Qb6 10. Nd2 Bg6 ({RR} 10... O-O 11. Nc4
Qxb3 12. axb3 Bb4 13. Bf4 a5) 11. Nc4 Qxb3 ({RR} 11... Qa6 12. O-O O-O) 12.
axb3 Nd5 13. O-O f5 ({RR} 13... O-O) 14. Na5 O-O-O 15. Bxd5 exd5 ({RR} 15...
cxd5 16. Bf4) 16. Bf4 Nb8 ({RR} 16... Bf7 17. Nxc6 bxc6 18. Rxa7 Rde8 19. Rfa1)
({RR} 16... Nb6 17. Rfc1 ({RR} 17. Nb5 cxb5 18. Rfc1+ Kd7 19. Nxb7 Ra8 20. Rc7+
Ke6) 17... a6 ({RR} 17... Bd6 18. Bxd6 Rxd6 19. Nb5 Re6 20. Nxa7+ Kb8 21.
N5xc6+ bxc6 22. Nxc6+) 18. b4 Bxb4 19. Nxc6 bxc6 20. Na2 Bf8 21. Rxc6+ Kb7 22.
Rc7+ Kb8 23. Nc3 Bd6 24. Rc6 Nc4 25. b3 Kb7 26. Rcxa6 Nb6 27. Bxd6 Rxd6 28.
Ra7+ Kb8 29. Rxg7) 17. Rfc1 Bd6 18. Nxd5 Bxf4 19. Nxf4 Rxd4 20. Nc4 Bf7 ({RR}
20... a6 21. Ne6) ({RR} 20... Na6 21. e3 Rdd8 22. Nxg6 hxg6 23. Ne5 Rd2 24.
Nxc6 Kd7 25. Nxa7 Rxb2 26. Rc3) 21. Rxa7 Bxc4 ({RR} 21... Re8 22. e3 Rdd8 23.
h4) 22. Rxc4 ({RR} 22. bxc4) 22... Rd1+ 23. Kg2 {Kortschnoj,V (2642)-Bacrot,E
(2671) Reykjavik 2003 CBM 094 [Huzman] 1-0 (44)}) ({RR} 8... Bd6 9. O-O O-O 10.
Re1 e5 11. e4 Be6 12. Qa4 exd4 13. Nxd4 Nc5 14. Nxe6 fxe6 15. Qc4 Ng4 16. Be3
Nxe3 17. Rxe3 b5 18. Qe2 e5 19. Qc2 Qf6 20. Rd1 Rad8 21. Rf3 Qe7 22. Rxf8+ Rxf8
23. Ne2 {Baraeva,I (2165)-Anfinogenov,A (2109) Moscow 2012 0-1 (49)}) 9. e3 Be7
10. O-O O-O 11. a3 $146 ({RR} 11. Qe2 Bg6 12. e4 Bb4 13. Ne1 Qa5 14. Bd2 Bh5
15. f3 e5 16. Nc2 exd4 17. Nxd4 Bc5 18. Be3 Rfe8 19. Qf2 Bb6 20. a3 Ne5 21. Nb3
Qa6 22. Bxb6 axb6 23. h3 Nd3 24. Qc2 Qc4 25. Rad1 Rad8 {Leutwyler,M (2154)
-Arbinger,R (2050) Biel 2000 1/2-1/2 (32)}) 11... a5 12. Qe2 Bg6 13. e4 Qb6 14.
h3 Qa6 15. Qe3 c5 16. e5 Nd5 17. Nxd5 exd5 18. Bd2 Be4 19. Bc3 c4 20. Ne1 Bxg2
21. Nxg2 b5 22. f4 Qh6 23. Qf3 b4 24. Bd2 Nb6 25. g4 Qc6 26. f5 f6 27. Nf4 Rfc8
28. exf6 Bxf6 29. Ne6 c3 30. bxc3 Nc4 31. Bf4 Nxa3 32. g5 Bd8 33. Be5 Ra7 34.
Qh5 Nc4 35. cxb4 Nxe5 36. dxe5 Bb6+ 37. Kh1 d4+ 38. Qf3 Qxf3+ 39. Rxf3 Rc3 40.
Rff1 d3 41. f6 Rc6 42. Nxg7 Rxg7 43. fxg7 axb4 44. Rf6 Bd4 45. Ra8+ Kxg7 46.
Rxc6 d2 47. Rc7+ Kg6 48. Rg8+ Kf5 49. Rf8+ Ke4 50. Rf1 Bxe5 51. Rc4+ Kd3 52.
Rxb4 Bg3 53. Kg2 Be1 54. Rb1 Bh4 55. Rb3+ Ke2 56. Rb5 Ke3 57. Rd5 Ke2 58. Rf7
1-0

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.06.06"]
[Round "24"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "78"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. b3
a5 9. a3 c5 10. cxd5 exd5 11. Bb2 a4 12. bxa4 c4 13. Bc2 Qa5 14. Nb1 Ne4 $146 (
{RR} 14... Re8 15. Bc3 Qa6 16. Bb4 Nb6 17. a5 Nbd7 18. Nc3 Bd8 19. Ne5 Bxa5 20.
f4 {1/2-1/2 (20) Tjanav,T-Doroshkievich,V (2375) Voroshilovgrad 1989}) 15. Bxe4
dxe4 16. Nfd2 Nb6 17. Nc3 f5 18. f3 exf3 19. Qxf3 Bd7 20. Qe2 Rac8 21. Rac1 Bf6
22. d5 Rfe8 23. Kh1 Qc5 24. e4 Nxd5 25. Rfe1 Nf4 26. Qe3 Nd3 27. Qxc5 Rxc5 28.
Ba1 Bg5 29. Ncb1 fxe4 30. Bc3 Nxc1 31. Rxc1 Bxa4 32. Kg1 Bc6 33. Re1 b5 34. Nf1
Rd5 35. Ng3 Rd3 36. Ne2 Be3+ 37. Kh1 Red8 38. Ng1 Bf2 39. Rf1 e3 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.06.11"]
[Round "25"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "88"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 d5 2. Nf3 c6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 ({RR} 6. O-O Bd6 7.
Nbd2 Nf6 8. Be2 Nbd7 9. Nc4 Bc7 10. Qb3 Qb8 11. h3 Bh5 12. Bd2 O-O 13. Rac1 Re8
14. Rfe1 Ne4 15. Ba5 b6 16. Bc3 Ndf6 17. Ncd2 c5 18. Bd3 Bxf3 19. Nxf3 a6 20.
Qc2 Nxc3 {Voellinger,F (1816)-Philipp,J (1771) Frankfurt 2013 1-0 (71)}) 6...
Nd7 7. h3 Bh5 8. a3 $146 ({RR} 8. O-O Ngf6 9. e4 Be7 10. Bg5 h6 11. Be3 O-O 12.
e5 Nd5 13. Nxd5 cxd5 14. Bd3 Rc8 15. Rc1 Qa5 16. a3 Nb6 17. Rxc8 Rxc8 18. g4
Bg6 19. Bxg6 fxg6 20. Qb1 Kf7 21. g5 Qa4 22. b3 Qxa3 {Antunac,G-Kovacevic,V
Yugoslavia 1975 1-0 (31)}) ({RR} 8. O-O Ngf6 9. e4 Bxf3 10. Qxf3 Nb6 11. Qd3
Nxc4 12. Qxc4 Be7 13. Rd1 O-O 14. Be3 Qd7 15. Qb3 Rfd8 16. Rac1 h6 17. Rd2 Bf8
18. a3 Qe7 19. d5 exd5 20. exd5 cxd5 21. Nxd5 Nxd5 22. Rxd5 Rxd5 {Ribli,Z
(2585)-Ljubojevic,L (2600) Amsterdam 1986 1/2-1/2}) ({RR} 8. O-O Ngf6 9. Be2
Be7 10. b3 Nd5 11. Bb2 O-O 12. Nd2 Bg6 13. Nc4 Bb4 14. Rc1 Qe7 15. Bd3 b5 {1/
2-1/2 (15) Andersson,U (2585)-Hort,V (2595) Luzern 1982}) 8... Ngf6 9. e4 Be7
10. O-O O-O 11. Bf4 a5 12. Ba2 Qb6 13. g4 Bg6 14. Qe2 Qa6 15. Qe3 b5 16. Ne5
Nxe5 17. Bxe5 b4 18. Bxf6 Bxf6 19. Ne2 bxa3 20. bxa3 c5 21. Rac1 cxd4 22. Nxd4
Bxd4 23. Qxd4 Rfd8 24. Qc4 Qb7 25. f3 h5 26. Qe2 Rd4 27. Qe3 Rd7 28. gxh5 Bxh5
29. Rc5 Bg6 30. Rfc1 Rad8 31. Bc4 Rd1+ 32. Bf1 Rxc1 33. Rxc1 a4 34. Rc4 Rd1 35.
Rb4 Qc7 36. f4 Qd8 37. Qf2 f5 38. e5 Be8 39. Rb6 Qc8 40. Rd6 Rc1 41. Qd4 Kh7
42. Kf2 Qc2+ 43. Qd2 Qc5+ 44. Qe3 Rxf1+ 0-1

[Event "World Championship 15th"]
[Site "Germany"]
[Date "1934.06.14"]
[Round "26"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "47"]
[EventDate "1934.04.01"]
[EventRounds "26"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 {Mikhalchishin,A} Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 O-O 6. Nf3 Nbd7
7. O-O e5 8. b3 ({RR} 8. Rb1) ({RR} 8. e4) ({RR} 8. e3 Re8 9. b3 c6 10. Bb2 e4
11. Nd2 d5 12. b4 ({RR} 12. f3 exf3 13. Qxf3 dxc4 14. Nxc4 Nb6 15. Ne5 Be6 16.
h3 a5 17. Nd3 Nbd5 18. Nf4 Nxc3 19. Bxc3 Bf5 20. d5 Be4 21. Qf2 cxd5 22. Rad1
Bxg2 23. Bxf6 Qxf6 24. Kxg2 Rac8 25. Nxd5) 12... Nf8 13. b5 h5 14. Qa4 Bd7 15.
Qb3 Be6 16. Rfc1 h4 17. Ba3 hxg3 18. hxg3 Ng4 19. bxc6 bxc6 20. Qb7 Qf6 21. Nd1
Rec8 22. Nb3 Nh7) 8... Re8 ({RR} 8... exd4 9. Nxd4 Nc5 10. Bb2 a5 11. Qc2 c6
12. e3 Qb6 13. Rfd1 a4 14. Rab1 axb3 15. axb3 h5 16. h3 Re8 17. Bc1 Nh7 18. b4
Ne6 ({RR} 18... Na6 19. b5) 19. Nxe6 Bxe6 20. Rxd6 Bxc4 21. Nd5 Bxd5 22. Bxd5
Nf6 23. Rxf6) 9. Qc2 ({RR} 9. Bb2 c6 10. Qc2 a6 11. dxe5 dxe5 12. Rfd1 Qc7 13.
Ng5 Nc5 14. Ba3 Bf8 15. Nge4 Ncxe4 16. Nxe4 Nxe4 17. Bxf8 Rxf8 18. Bxe4 Be6 19.
Rd2 a5 20. Rad1 Rfd8 21. a4 Rxd2 22. Qxd2 Qb6 23. Bc2 Qc5) 9... Ng4 ({RR} 9...
a6 10. Rd1 Rb8 ({RR} 10... Qe7 11. e3 Rb8 12. a4 ({RR} 12. Bb2 b5 13. dxe5 Nxe5
14. Nxe5 dxe5 15. cxb5 axb5 16. Nd5 Nxd5 17. Rxd5 Bf5 18. e4 c6 19. Rd3 Be6 20.
Rc3 Bd7 21. Bc1 Red8 22. Be3 Be8 23. a4 bxa4 24. bxa4 Qb4 25. a5 Ra8 26. Bc5
Qb7) 12... c5 13. Ba3 ({RR} 13. a5) 13... b6 14. dxe5 Nxe5 15. Nxe5 Qxe5 16.
Bb2 Bg4 ({RR} 16... Qe7 17. Qe2 Rd8 18. Nd5 Nxd5 19. Bxd5 Bg4 20. Qxg4 Bxb2 21.
Ra2 Bg7 22. h4) 17. Rd2 Qe6 18. Nd5 Nxd5 19. Bxd5 Qe7 20. Bxg7 Kxg7 21. Re1 Qf6
22. Kg2 Re5 23. h3 Bf5 24. Qb2 g5 25. f4) 11. e4 ({RR} 11. e3) 11... exd4 ({RR
} 11... b5 12. c5 ({RR} 12. cxb5 axb5 13. a4 bxa4 14. bxa4 Ba6) 12... Bb7 13.
dxe5 Nxe5 14. Nxe5 Rxe5 15. cxd6 cxd6 16. Bf4 Re6 17. Rac1) 12. Nxd4 Qe7 ({RR}
12... c5 13. Nde2 b5 14. Bf4 Ne5 15. Bxe5 Rxe5 16. f4 Re7 17. e5 Bf5 18. Qd2
Ne8) 13. Nd5 ({RR} 13. Bf4 Ne5 14. Rac1 c5 15. Nde2 b5 16. cxb5 axb5) 13...
Nxd5 14. cxd5 Nc5 ({RR} 14... Nf6 15. Bb2) 15. Bb2 Bd7 ({RR} 15... a5) 16. Rac1
Rbc8 17. Re1 a5 18. Qd2 c6 19. dxc6 bxc6 20. e5 ({RR} 20. Ba3) 20... dxe5 ({RR
} 20... d5 21. f4 Nb7 22. Nc2) 21. Nf3 e4 ({RR} 21... Ne6 22. Nxe5) 22. Bxg7
Kxg7 23. Ng5 f5 ({RR} 23... h6 24. Nxe4 Nxe4 25. Rxe4 Qg5 26. Qd4+ Kg8 27. Rc5)
24. Qd4+ {Riazantsev,A (2660)-Damljanovic,B (2550) Rijeka 2010 CBM 136
[Mikhalchishin,A] 1-0}) ({RR} 9... Qe7 10. dxe5 ({RR} 10. e3) 10... dxe5 11. a4
Nc5 12. Ba3 e4 13. Nd4 c6 14. b4 ({RR} 14. e3) 14... Ne6 15. Nb3 Ng5 16. b5 Qe5
17. Rad1 Nh3+ 18. Kh1 Nxf2+ ({RR} 18... e3) 19. Rxf2 Ng4 20. Nxe4 Bf5 21. Rf4
Ne3 22. Qd2 Nxg2 23. Kxg2 Bxe4+ 24. Kg1) ({RR} 9... a6 10. Bb2 c6 11. dxe5 Nxe5
12. Rad1 Qc7 13. Qd2 Nxf3+ 14. Bxf3 Rd8 15. Qf4 Ne8 16. Rd2 Bf5 17. Rfd1 Rd7
18. Bg4 Bxg4 19. Qxg4 Rad8 20. Qf3 f5 21. e4 Rf7 22. exf5 Rxf5 23. Qd3 Qf7 24.
Ne4 {Golcman,E (2264)-Ackermann,H (2308) Dresden 2013 1-0 (41)}) 10. dxe5 $146
({RR} 10. Bg5 f6 11. Bc1 Nf8 12. h3 Nh6 13. dxe5 fxe5 14. Bg5 Qd7 15. Rad1 Nf5
16. Nd5 Qf7 17. Nh2 Ne6 18. Bc1 a5 19. Ng4 h5 20. Nge3 Nfd4 21. Qd2 g5 22. Nc2
Qg6 23. Nxd4 exd4 24. e3 Ra6 {Van Hoorn,P-Euwe,M Utrecht 1926 1/2-1/2 (41)}) ({
RR} 10. Rd1 Nh6 11. e4 f6 12. dxe5 dxe5 13. Bh3 c6 14. Ba3 Nf7 15. Na4 Qc7 16.
Bg2 Nf8 17. h3 Ne6 18. c5 Bd7 19. Nb2 Bf8 20. Kh2 Rad8 21. Bf1 Nfg5 22. Nxg5
Nxg5 23. Nc4 Nf3+ 24. Kh1 Nd4 {Green,A-Phillips,A Chester 1952 0-1 (54)}) 10...
Ndxe5 11. Nxe5 Nxe5 12. Bb2 h5 13. Rad1 Bf5 14. Qd2 Qc8 15. Nd5 c6 16. Ne3 Bh3
17. f4 Bxg2 18. Nxg2 Ng4 19. Bxg7 Kxg7 20. f5 Qd8 21. Qd4+ Ne5 22. fxg6 fxg6
23. Qxd6 Qxd6 24. Rxd6 1/2-1/2