[Event "British CF-15 London International"]
[Site "London"]
[Date "1922.08.10"]
[Round "8"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D18"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "140"]
[EventDate "1922.07.31"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ENG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
{[%evp 16,140,16,0,15,0,13,-9,0,-41,-13,-30,0,-99,-92,-112,0,-114,-94,-140,-98,
-149,-144,-158,-130,-289,-292,-283,-289,-259,-9,-9,-16,-72,-9,-9,-9,-9,-9,-9,
-9,-119,-73,-180,-197,-188,-204,-336,-337,-347,-341,-335,-342,-393,-380,-394,
-394,-430,-422,-389,-415,-398,-381,-386,-143,-144,-143,-143,-143,-143,-143,
-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,
-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,
-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,
-143,-143,-143,-60,-50,-50,-11,-11,-11,-11,-11]} {Analizada por Fat Fritz 2.0.
} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 {[%CAl Bb1c3,Bc3e2,Be2g3][%mdl 32]} dxc4
5. a4 Bf5 (5... Nd5 6. e3 Nxc3 7. bxc3 Qa5 8. Bd2 Be6 9. Ne5 Qa6 10. Qb1 Nd7
11. Nxd7 Kxd7 12. Be2 g6 13. O-O Bh6 14. f4 f5 15. a5 Bd5 16. Bf3 e6 17. Be1 b5
18. axb6 Qxb6 19. Bh4 Rhb8 20. Bf6 Qxb1 21. Rfxb1 Rxb1+ 22. Rxb1 Kc8 23. Ra1
Bf8 24. Ra4 Bd6 25. Be2 a5 26. Bxc4 Bxc4 27. Rxc4 a4 28. Rxc6+ Kd7 29. Rb6 a3
30. Rb1 Ra4 31. Kf2 Rc4 32. d5 exd5 33. Ke2 Ra4 34. Kd3 Kc6 35. Kc2 a2 36. Ra1
Kb5 37. Kb3 Ra3+ 38. Kb2 Kc4 39. Bd4 Kd3 40. Rxa2 Rxa2+ 41. Kxa2 Kc2 42. h3 h5
43. Bf6 Bc5 44. Be5 Bxe3 45. Ka3 Kd3 46. Kb4 Ke4 47. g3 Bf2 48. Kb5 Bxg3 49.
Kc6 g5 {0-1 (49) Showalter,J-Winawer,S Nuremberg (3) 1896}) 6. e3 e6 7. Bxc4
Bb4 8. O-O O-O {Esta línea de juego, hoy muy conocida, era muy "novedosa" en
aquel tiempo.} 9. Ne2 (9. Qe2) 9... Nbd7 {D18: Slav Defence: 5 a4 Bf5 6 e3.}
10. Ng3 (10. Bd2) 10... Bg6 11. Nh4 c5 12. f4 (12. Nxg6 $11 hxg6 13. dxc5)
12... Nb6 13. Ba2 cxd4 {[#]} 14. exd4 $2 (14. f5 $1 $11 Bxf5 15. Ngxf5 exf5 16.
Qxd4) 14... Nfd5 $1 $17 15. Nf3 Rc8 $2 (15... Ne7 $1 $17 16. Bd2 Bxd2 17. Qxd2
Rc8) 16. Ne5 $2 (16. f5 $1 $11 {was the only way to keep the balance.} Bxf5 17.
Nxf5 exf5 18. Ne5) 16... Bc2 17. Qf3 (17. Qe2 $142) 17... f5 ({Better is} 17...
Bxa4 18. Bxd5 exd5) 18. a5 (18. Rf2 $142) 18... Bxa5 19. Qe2 Bb4 20. Nc4 $2 (
20. Bd2 $17 Qd6 21. Rfc1) 20... Nxc4 $19 {[#]} 21. Bxc4 Qb6 22. Kh1 Be4 $2 (
22... Rfe8 $1 $19 23. b3 (23. Qxc2 $2 Qxd4 24. Ne2 Qxc4 $19) 23... Qxd4) 23.
Nxe4 $11 fxe4 {[#]} 24. Ba2 $2 (24. b3 $11) 24... Qa6 $2 (24... Qxd4 $17 25.
Rd1 Qb6) 25. Qxa6 bxa6 26. f5 $1 Rce8 {Threatens to win with ...e3.} 27. Bg5 e3
$36 {[%mdl 2048] [#] Black has good play.} 28. Bc4 $2 (28. Rf3 $11 {remains
equal.}) 28... Nb6 $1 $17 {[%CAl Rb6c4]} 29. Be2 ({Avoid the trap} 29. Bxe6+ $2
Rxe6 $1 {[%mdl 512]} 30. fxe6 Rxf1+ 31. Rxf1 e2 $19) (29. Bxa6 $17 exf5 30. Be2
) 29... exf5 $19 30. Rxa6 Rc8 31. Raa1 (31. Rb1 {might work better.} Rfe8 32.
Rxa7) 31... h6 $1 {[%CAl Rh6g5]} 32. Bf4 g5 $1 {[%CAl Rg5f4]} 33. Be5 Rc2 34.
Rxa7 {Black must now prevent Rg7+.} Rf7 ({Not} 34... Rxe2 35. Rg7+ Kh8 36.
Rxg5+ Kh7 37. Rg7+ Kh8 38. Rg6+ Kh7 39. Rxb6 $14) 35. Rxf7 Kxf7 36. Rxf5+ Kg8
37. Bd1 e2 $1 {[%mdl 512]} 38. Bxe2 Rxe2 39. h4 {[#]} g4 $2 (39... Nc4 $1 $19 {
is more deadly.} 40. hxg5 Ne3 41. Rf3 hxg5 42. Bc7 Kg7 43. g4 Kg6 44. d5 Nxg4
45. d6 Rd2 46. Rf8 Bxd6 47. Bxd6 Rxd6 $19 {Tablebases de Lomonosov.}) 40. Rf6
$15 {Pero muy difícil de convertir en victoria...} Nd7 41. Rg6+ Kf7 42. Rg7+
Ke6 43. Rxg4 Bd2 {Hoping for ...Kf5.} 44. Kh2 Kf5 45. Rg8 Nxe5 46. dxe5 {
[%mdl 4096] Endgame KRB-KR} Bf4+ {[%mdl 64] Discovered Attack} 47. Kh3 Re3+ 48.
g3 {Strongly threatening Rf8+.} Bxe5 {[#]} 49. b4 Rb3 50. Rg4 Bd6 51. Rg8 Rxb4
52. Rd8 Rd4 53. Kg2 Rd3 54. Rg8 Be5 55. Kf2 Ra3 56. Kg2 Rb3 57. Kf2 Bd4+ 58.
Kg2 Be5 59. Kf2 Rc3 60. Kg2 Bd6 61. Kf2 Rc2+ 62. Kf3 Rc3+ 63. Kg2 Rd3 64. Kf2
Bc5+ 65. Kg2 Rd2+ 66. Kh3 Bd6 67. Rg7 Ke4 {aiming for ...Rd3.} 68. Kg4 Rd3 69.
Kh5 Bxg3 $11 {[#] Tablebases de Lomonosov.} 70. Kxh6 Bf4+ {Y Alekhine, cuenta
Maroczy en su libro del torneo, torturó a su rival hasta la jugada nº 120,
pero nunca se encontraron los movimientos precisos de toda esta serie
resultante... Weighted Error Value: White=0.24/Black=0.18} 1/2-1/2
