[Event "New York International Masters-01"]
[Site "New York"]
[Date "1924.04.10"]
[Round "17"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "C12"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "170"]
[EventDate "1924.03.16"]
[EventType "tourn"]
[EventRounds "22"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
{[%evp 0,170,25,14,39,36,35,39,35,12,30,-6,-1,17,17,-11,-12,5,11,3,11,7,40,-29,
-34,-35,-22,-33,-16,-29,-3,-21,19,19,19,19,15,-10,24,19,7,7,0,0,0,-11,0,-44,
-16,-65,-65,-65,-65,-310,0,0,0,9,8,11,8,14,10,4,10,8,8,14,17,4,4,2,0,18,6,0,0,
0,0,0,0,0,0,-33,-35,-17,-18,-24,-17,-15,-16,-24,-49,-59,-59,-64,-70,-55,-63,
-77,-77,-77,-77,-89,-75,-83,-77,-89,-89,-91,-89,-94,-74,-110,-102,-125,-103,
-125,-103,-125,-125,-121,-123,-124,-102,-124,-116,-115,-102,-115,-107,-124,
-124,-124,-124,-124,-97,-124,-97,-124,-124,-124,-104,-104,-97,-106,-97,-103,
-97,-104,-110,-108,-102,-124,-124,-124,-88,-81,-78,-103,-102,-124,-103,-115,
-103,-103,-103,-103,-97,-103,-103,-94,-94]} {Analizada y repasada por
Stockfish 14.} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. Nge2 dxe4 6. a3 Be7
7. Bxf6 gxf6 (7... Bxf6 8. Nxe4 O-O 9. Qd3 e5 10. d5 Be7 11. O-O-O Nd7 12. g4
Nc5 13. Nxc5 Bxc5 14. f3 f5 15. h3 Qh4 16. Kb1 Kh8 17. Nc3 Bd7 18. Qc4 Bd6 19.
Bd3 a6 20. Qb3 b5 21. Na2 Rae8 22. Nb4 e4 23. fxe4 fxe4 24. Be2 Rf2 25. Rde1
Bc8 26. Bf3 Rh2 27. Qc3 Rxh3 28. Qc6 Rf8 29. Bxe4 Bxg4 30. Rhf1 Rxf1 31. Rxf1
Qd8 32. Qxa6 Bxb4 33. axb4 Be2 34. Rf7 Bh5 35. Rxc7 Bg4 36. Ra7 {1-0 (36)
Bogoljubow,E-Tarrasch,S, Bad Pistyan, Breyer Memorial-A, Piestany (10) 1922})
8. Nxe4 {[#]} b6 $146 ({Predecessor:} 8... f5 9. N4c3 Bd7 10. Qd2 Bd6 11. O-O-O
Qe7 12. Ng3 Qh4 13. Qe1 Nc6 14. Nxf5 Qf4+ 15. Ne3 Nxd4 16. g3 Qe5 17. Bg2 Nc6
18. f4 Qg7 19. Nb5 O-O 20. Nxd6 cxd6 21. Rxd6 Rfd8 22. Qd2 Be8 23. Rd1 Rdc8 24.
f5 e5 25. f6 Qf8 26. Nf5 Kh8 27. Qg5 Rc7 28. Bxc6 Rxc6 29. Rd8 Rcc8 30. Qg7+
Qxg7 31. fxg7+ Kg8 32. Ne7+ {1-0 (32) Lasker,Em-Reti,R, New York International
Masters-01 (10) 1924}) 9. N2c3 ({White should try} 9. N4c3 $5 $14 Bb7 10. d5 $1
exd5 11. Qd2 {con peligrosa iniciativa a cambio del peón.}) 9... f5 $11 {
C12: French: Classical System: McCutcheon Variation.} 10. Ng3 Bb7 (10... c6 {
is more appropriate.} 11. Nh5 Nd7 12. Qf3 $11) 11. Bb5+ $2 (11. d5 $1 h5 12.
Be2 h4 13. Nh5 $14) 11... c6 $15 12. Bc4 Nd7 13. Qe2 {[#]} Nf6 $6 (13... b5 $1
14. Bd3 O-O 15. O-O-O b4 $1 16. axb4 a5 $1 17. b5 a4 $1 $15 {con iniciativa,
pues el rey blanco parece más inseguro que el negro.}) 14. O-O-O $1 $11 Qd6
15. Rhe1 Nd5 $2 (15... Rg8 16. Kb1 Kf8 17. Qd2 Rg6 $11) 16. Nxd5 $16 cxd5 17.
Bb5+ $6 (17. Bd3 $1 Kd8 18. Kb1 $16) 17... Kd8 $14 18. Kb1 {[#]} h5 $2 ({
Black should play} 18... Rc8 19. Bd3 Bc6 20. Bxf5 b5 21. Qh5 Bd7 $14 {con
contrajuego a cambio del peón.}) 19. Nxh5 $18 Qxh2 (19... a6 20. Bd3 Qxh2 21.
Ng3 Qh4 22. Bxf5 $18) 20. Ng3 $6 (20. Rh1 $1 {is the precise move to win.} Qc7
21. Ng7 Rf8 22. Rh7 $18) 20... Qh4 21. Rh1 Qf6 22. Nh5 Qg5 23. f4 $1 {[%CAl
Rf4g5]} Qg6 {[%mdl 8192] [#]} (23... Qg8 24. Qe5 a6 25. Be2 $16) 24. Rd3 $4 (
24. g4 $3 Qxg4 (24... fxg4 25. f5 $18 Qg5 26. fxe6 Rxh5 27. exf7 a6 28. f8=Q+
$1 Bxf8 29. Qe8+ Kc7 30. Qf7+ $18) 25. Qe5 $1 Rxh5 26. Rhg1 Qxd1+ 27. Rxd1 a6
28. Be8 Kxe8 29. Qc7 Rd8 30. Qxb7 $18) 24... a6 25. Rg3 Rxh5 $1 $17 {[%mdl 512]
} 26. Qxh5 {[%mdl 8192] [#]} (26. Rxg6 $5 {is tougher.} Rxh1+ 27. Ka2 fxg6 28.
Qxe6 axb5 29. Qxb6+ Kc8 30. Qe6+ Kb8 $1 31. Qxe7 Ra6 32. Qe8+ Ka7 33. Qxb5 Rh8
$17 {Aunque con difícil partida por delante. Veamos un ejemplo en el que las
negras parecen crecer:} 34. c3 Re6 35. Qd7 Re2 36. Qb5 Rhe8 37. a4 Kb8 $17)
26... Qxh5 $4 (26... Qxg3 $1 27. Qxf7 axb5 28. Qxe6 (28. Rh7 Qe1+ 29. Ka2 Qb4
$1 30. Qxe6 Qd6 31. Qxf5 b4 $1 32. Rh8+ Kc7 33. Rxa8 Bxa8 34. axb4 Qxb4 $19)
28... Qg7 29. Qxb6+ Kc8 30. Rh3 Ra6 31. Qxb5 Bf6 $19 {pues los dos alfiles son
demasiado, para los peones blancos.}) 27. Rxh5 $11 {Strongly threatening Rg8+.}
axb5 {[#] Final tablífero de torre contra dos alfiles, aunque pueda parecer
que las negras siempre van a tener una mínima ventaja, pero que en este caso
no parece explotable.} 28. Rh7 Kd7 29. Rxf7 Rf8 30. Rh7 Re8 31. Rg6 Bc8 32. c3
Kc7 33. Kc2 Bd7 34. Rgg7 Kd6 35. Kd2 Bc6 36. Rg6 Rf8 37. Ke3 Bf6 38. Ra7 Bd7
39. Kf3 Bd8 40. Rg7 Bc7 41. Rh7 Rd8 42. g3 Bb8 43. Rb7 Bc7 {Threatens to win
with ...Ra8.} 44. Ra7 Kc6 {...Bb8 is the strong threat.} 45. a4 $5 bxa4 46.
Rxa4 b5 47. Ra1 b4 $1 48. Ke3 {[#]} Bb6 (48... bxc3 49. bxc3 Rb8 50. Ra6+ Bb6
51. Kd2 $11) 49. Ra4 bxc3 50. bxc3 Rg8 51. Kf2 Rc8 52. Ra3 Kd6 53. Rh1 Rb8 54.
Raa1 Bb5 55. Ke3 Rg8 {[#]} 56. Rhg1 (56. Rh3 {keeps more tension.} Bc7 57. Ra7
Bc4 58. Kf3 Bb6 59. Ra1 Rg7 60. Rh8 $11) 56... Kc6 57. Kd2 Bc4 58. Rae1 Kd6 59.
Ra1 Bc7 60. Ke3 Kc6 61. Kd2 Bd8 62. Rae1 Rg6 63. Ra1 {[#]} Be7 (63... e5 64.
Ra8 Bh4 65. dxe5 Bxg3 $11) 64. Rae1 {The position is equal.} Bd6 65. Kc2 Kd7
66. Ra1 {[#]} Bc7 (66... Be2 67. Ra7+ Kc6 68. Re1 Bf3 69. Rea1 Bc7 70. R1a6+
Bb6 $11) 67. Kd2 Kc6 68. Rae1 Bd6 69. Kc2 Kc7 70. Kd2 Kd7 71. Ra1 Kc6 72. Rae1
Kc7 73. Ra1 Rg8 74. Rae1 Kd7 75. Ra1 Bc7 76. Rab1 Ra8 {aiming for ...Ra2+.} 77.
Ra1 {[#]} Rh8 (77... Rg8 {seems wilder.} 78. Ke3 Ke7 79. Ra7 Kd6 80. Raa1 Bb6
81. Rgb1 Kc6 $11) (77... Rb8 78. Rab1 Rg8 79. Ke3 $11) 78. Rh1 Rg8 79. Rhg1 (
79. Rh7+ {feels hotter.} Kd6 80. Ra7 Rc8 81. Ra1 Rd8 82. Kc2 $11) 79... Bd8 (
79... e5 80. fxe5 Bd8 81. Rh1 Rxg3 82. Ra7+ Kc6 83. Rh6+ Kb5 84. Rb7+ Ka5 85.
Ra7+ $11) 80. Rae1 Be7 (80... Rg4 81. Kc2 $11) 81. Rb1 Kc7 82. Rbe1 Bd6 83. Ra1
Kc6 84. Rae1 Kc7 {[#]} (84... Ra8 85. Ra1 $11) 85. Ra1 (85. Rxe6 $4 Bxf4+ $19)
85... Kd7 {Weighted Error Value: White=0.35/Black=0.33} 1/2-1/2
