[Event "British CF-15 London International"]
[Site "London"]
[Date "1922.08.07"]
[Round "6"]
[White "Capablanca, Jose Raul"]
[Black "Bogoljubow, Efim"]
[Result "1-0"]
[ECO "C91"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "103"]
[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 27,103,24,105,-50,0,0,0,0,0,0,21,0,28,0,36,0,8,0,0,0,0,0,0,0,0,0,144,
116,148,96,117,128,109,9,9,0,0,0,34,31,21,0,0,0,0,0,15,15,15,8,21,10,35,8,61,0,
309,287,294,272,282,55,126,127,94,130,1030,981,29979,29980,29979,29975,29973,
29974,29987,29988,29988,29989]} {Analizada por Fat Fritz 2.0.} 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 exd4
10. cxd4 Bg4 11. Be3 {[#]} Na5 $146 (11... d5 12. e5 Ne4 13. Nc3 Bb4 14. Rc1
Ne7 15. h3 Bh5 16. Bc2 Bxc3 17. bxc3 f5 18. exf6 Rxf6 19. g4 Bg6 20. Ne5 Nxc3
21. Qd2 Ne4 22. Bxe4 dxe4 23. Bg5 Rd6 24. Nxg6 Rxg6 25. Rxe4 Rxg5 26. Qxg5 Nd5
27. Qxd8+ Rxd8 28. Rc6 a5 29. Re5 a4 30. a3 Rd7 31. Rc5 Nb6 32. Rxb5 Rxd4 33.
Re7 Rc4 34. Rf5 g6 35. Rff7 Nd5 36. Rg7+ Kf8 37. Ref7+ Ke8 38. Rxh7 Rc5 39.
Rfg7 Kf8 40. Rxg6 Nf4 41. Ra6 Kg8 42. Rd7 {1-0 (42) Yates,F-Bogoljubow,E
London (4) 1922}) 12. Bc2 Nc4 13. Bc1 c5 14. b3 Na5 (14... Nb6 $11 {keeps the
balance.}) 15. Bb2 $2 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4.} (15. d5 $1
$14) (15. Nbd2) 15... Nc6 ({Black should play} 15... cxd4 $15 16. Nbd2 Nc6) 16.
d5 $11 Nb4 17. Nbd2 {The position is equal.} Nxc2 18. Qxc2 Re8 19. Qd3 h6 20.
Nf1 Nd7 21. h3 Bh5 22. N3d2 Bf6 23. Bxf6 Qxf6 24. a4 c4 25. bxc4 Nc5 26. Qe3 {
[#]} bxa4 $2 (26... bxc4 $1 {remains equal.} 27. Ra3 Nd3 28. Rb1 Nf4 29. Ng3
Bg6 30. Qc3 $11) 27. f4 $16 Qe7 28. g4 (28. Ng3 $142 Bg6 29. e5) 28... Bg6 29.
f5 $1 {[%CAl Rf5g6]} Bh7 {[#]} 30. Ng3 $2 (30. Nh2 $1 Qe5 31. Kg2 Qb2 32. Kh1
Nb3 33. Nxb3 Qxb3 34. Rac1 $16) 30... Qe5 $11 31. Kg2 Rab8 32. Rab1 f6 33. Nf3
Rb2+ 34. Rxb2 (34. Re2 {with more complications.} Rxe2+ 35. Qxe2 Qc3 36. Qd2
Qa3 37. h4) 34... Qxb2+ 35. Re2 Qb3 36. Nd4 $36 {[%mdl 2048] White has some
pressure.} Qxe3 37. Rxe3 Rb8 $1 38. Rc3 Kf7 39. Kf3 Rb2 40. Nge2 Bg8 41. Ne6 {
[#] Jugada sellada tras el aplazamiento.} ({White should try} 41. Ke3 $5 Kf8
42. Nf4 Bf7 43. Rc1 Ke7 44. Nd3 Nxd3 45. Kxd3 Be8 $11) 41... Nb3 $2 {[%mdl
8192]} (41... Nxe4 $1 $11 {and Black is okay.} 42. Kxe4 Rxe2+ {[#] aunque para
Maroczy aquí el final todavía debe estar perdido por la infortunada
posición del alfil y la debilidad de los peones negros del flanco de dama.
Pero la cosa no parece tan clara (Fat Fritz 2.0). Veamos:} 43. Kd4 (43. Kd3 Rh2
44. Kd4 Rd2+ 45. Ke4 Re2+ 46. Kd3 Rh2 47. Nf4 $11) 43... Rd2+ 44. Ke3 Rg2 $11 {
Y nada mejor que ver qué ocurre en un enfrentamiento entre dos módulos
informáticos actuales de máxima calidad:} 45. Rc1 Ke7 $1 46. Nxg7 Rg3+ 47.
Kd4 Bf7 48. Re1+ Kd7 49. Ne6 a3 50. Nf8+ Kc7 51. Ne6+ Kd7 52. Nf8+ Kc7 53. Nh7
Rxh3 54. Nxf6 Rh2 55. Kc3 a2 56. Ra1 h5 57. gxh5 Bxh5 58. Nxh5 Rxh5 59. Rxa2
Rxf5 60. Rxa6 $11 {[#]} Rf1 61. Ra7+ Kd8 62. Kc2 Kc8 {½-½ (62) Fat Fritz
2-Dragon by Komodo Chess 2,6 Tenerife - 40 jugadas en 1 hora sin finish - 2021}
) 42. c5 $18 dxc5 43. Nxc5 Nd2+ ({But not} 43... Nxc5 $6 44. Rxc5 Rb6 45. Ke3
$18) 44. Kf2 $2 (44. Kf4 $1 $18 {aiming for d6.} Nf1 45. Nd4 Rf2+ 46. Rf3 Rxf3+
47. Kxf3) 44... Ke7 (44... Kf8 $5 45. Rd3 Ke7 46. Ke1 Nc4 47. Nxa4 Rb1+ 48. Kf2
Kd6 49. Nac3 $16) 45. Ke1 $16 Nb1 46. Rd3 {Strongly threatening d6+.} a3 $2 {
[%mdl 8192] This costs Black the game.} (46... Kd6 $16 47. Nxa4 Rb8) 47. d6+ $1
$18 Kd8 48. Nd4 {White mates.} Rb6 49. Nde6+ Bxe6 50. fxe6 Rb8 51. e7+ Ke8 52.
Nxa6 {[#] Weighted Error Value: White=0.28/Black=0.48} 1-0
