[Event "St Petersburg International Final"] [Site "St Petersburg"] [Date "1914.05.21"] [Round "9"] [White "Tarrasch, Siegbert"] [Black "Lasker, Emanuel"] [Result "1/2-1/2"] [ECO "C02"] [Annotator "Tactical Analysis 4.1 (180s)"] [PlyCount "78"] [EventDate "1914.05.10"] [EventType "tourn"] [EventRounds "10"] [EventCountry "RUS"] [SourceTitle "Lasker"] [Source "ChessBase"] [SourceDate "2002.01.23"] [SourceVersion "1"] [SourceVersionDate "2002.01.23"] [SourceQuality "1"] {[%evp 10,78,-30,-48,14,25,24,16,30,25,43,22,18,25,42,25,57,60,63,0,0,-6,-16, -81,0,0,21,0,19,9,34,34,32,-37,-15,-87,-25,-35,-8,-33,-8,-8,-8,-8,-8,-23,-16, -24,-8,-33,-35,-42,-36,-76,-33,-85,-46,-68,-39,-71,-37,-140,-8,-45,-47,-137,-9, -32,0,-156,0]} {Analizada por Fat Fritz 2.0.} 1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 $5 Nc6 5. Nf3 Bxc5 6. Bd3 {[#]} f5 $146 {C02: French: Advance Variation.} ({Predecessor:} 6... Nge7 7. O-O Ng6 8. Re1 Bd7 9. c3 Bb6 10. Na3 a6 11. Nc2 Bc7 12. Bxg6 hxg6 13. Bf4 Qe7 14. Ncd4 Rc8 15. Qd3 Bb6 16. Nxc6 Rxc6 17. Be3 Qd8 18. Bxb6 Qxb6 19. Nd4 Rc4 20. b3 Rc8 21. Re3 Rh5 22. Rae1 Qa5 23. Qd2 Qa3 24. h3 Qe7 25. g4 Rh8 26. f4 Kd8 27. Qh2 Kc7 28. f5 gxf5 29. gxf5 Qh4 30. Qg3 Qh6 31. Rf1 Kb8 32. Qf4 exf5 33. Qxh6 Rxh6 34. Nxf5 Rg6+ 35. Kh2 Bxf5 36. Rxf5 d4 37. cxd4 Rc2+ 38. Kh1 Rc1+ {½-½ (38) Nimzowitsch,A-Alekhine,A St Petersburg - Preliminar (3) 1914}) (6... f6 $15 7. Qe2 (7. Bf4 fxe5 8. Nxe5 Nf6 9. O-O O-O 10. Nc3 Bd7 11. Bg3 Be8 12. Nxc6 bxc6 13. Qe2 Qd7 14. Rae1 Bf7 15. Kh1 Rae8 16. Be5 Bh5 17. f3 Bd6 18. g4 Bf7 19. f4 Re7 20. Qg2 Be8 21. b3 Qc7 22. Qh3 g6 23. Nd1 Nd7 24. Qg3 Ref7 25. Bxd6 Qxd6 26. f5 Qxg3 27. hxg3 e5 28. fxg6 Rxf1+ 29. Rxf1 Rxf1+ 30. Bxf1 Bxg6 31. Ne3 Kf7 32. c3 Nc5 33. Kg2 Bb1 34. b4 Ne4 35. Nd1 Bxa2 36. Bd3 Bb3 37. Ne3 Nxc3 38. Bxh7 Kf6 39. Bg8 Ba4 40. Kf3 d4 41. Nc4 Bd1+ 42. Kf2 e4 43. Ke1 Bxg4 44. Na5 Bd7 45. Bc4 Ke5 46. Nb3 Nd5 47. Nc5 Bg4 48. b5 Ne3 {0-1 (48) Lipke,P-Burn,A Vienna Imperial Jubilee 1898}) 7... Nge7) 7. c3 $11 a6 8. Nbd2 Nge7 {The position is equal.} 9. Nb3 Ba7 10. O-O O-O 11. Re1 Ng6 12. Nbd4 Bb8 {[%CAl Rc6e5]} 13. Nxc6 bxc6 {[#]} 14. Kh1 (14. b4 $14 ) 14... a5 15. b3 c5 {[#]} 16. Ba3 (16. h4 $11) 16... Qb6 (16... Ba7 $1 17. Bb5 Bb7 $15) 17. Qd2 Bb7 18. Qg5 Ba7 19. h4 Qd8 20. Qg3 Qe8 {[#]} 21. Nh2 (21. Ng1 $14 Rc8 22. Nh3 Bb8 23. Rad1 $14) 21... Ne7 $15 22. f4 $2 (22. Nf3 $11 { keeps the balance.}) 22... Rc8 (22... Qg6 $17 23. Qg5 Qxg5 24. hxg5 Ng6 25. Bc1 Kf7 $17) 23. Nf3 $15 Kh8 24. Ng5 Ng8 25. Be2 Qe7 26. Rad1 Rfd8 27. Rd2 Nh6 28. Red1 Qe8 29. Kh2 Rc7 30. Kh3 Rdc8 31. Bb2 {[#]} Bc6 ({Better is} 31... c4 $17) 32. Bf3 (32. Ba3 $15) 32... Rb8 33. Ba3 $1 Ng8 34. Be2 Nh6 (34... h6 $5 { [%CAl Rh6g5]} 35. Nf3 Ne7 $11) 35. Qe1 {[#]} ({White should play} 35. Re1 $15) 35... Rd8 (35... Ng4 $1 $17 36. g3 (36. Bxg4 fxg4+ 37. Kxg4 a4 $17) 36... a4 37. bxa4 Bxa4 {[#] y veamos a modo de ejemplo un enfrentamiento entre dos módulos informáticos actuales al nivel de 40 jugadas en 1 hora, sin finish:} 38. Bxg4 fxg4+ 39. Kxg4 h6 40. Nf3 Qg6+ 41. Kh3 Qf5+ 42. Kg2 Bxd1 43. Qxd1 $17 {[#] Calidad por caballo y peón.} Bb6 44. Qc2 Qxc2 45. Rxc2 Ra7 46. Bc1 Ra4 47. Kf1 Rba8 48. a3 Ba5 49. Bb2 Rb8 50. h5 Kh7 51. Kf2 Bd8 52. Bc1 g6 53. Be3 Be7 54. hxg6+ Kxg6 55. Bc1 Kf5 56. Nd2 h5 57. Nf3 Rg8 58. Ra2 Kg4 59. Bd2 Rb8 60. Nh2+ Kf5 61. Kf3 d4 62. g4+ hxg4+ 63. Nxg4 Rb3 $19 {[#]} 64. Ra1 Kg6 65. Rh1 dxc3 66. Bc1 Rb1 67. Ne3 Rxa3 68. Bxa3 Rxh1 69. Ke2 Rh3 70. Bc1 Bh4 71. Ba3 Bg3 72. Kf3 Bh2+ 73. Ke4 Bg1 74. Nc4 Bd4 75. Bc1 Rh1 76. Ba3 Rd1 77. Nd6 c2 78. Bc1 Rxc1 79. Kd3 Be3 {0-1 (83) Fat Fritz 2-Dragon by Komodo Chess 2,6 Tenerife 2021}) 36. Qg3 Rb8 37. Qe1 (37. Re1 $15) 37... Rd8 (37... Ng4 $1 $17 38. g3 ( 38. Bxg4 fxg4+ 39. Kxg4 a4 $17) 38... a4 39. bxa4 Bxa4) 38. Qg3 Rb8 (38... Rb7 $15) 39. Qe1 $17 {[#]} Rd8 $2 {Weighted Error Value: White=0.26/Black=0.31} ( 39... Ng4 $1 $17 40. g3 (40. Bxg4 fxg4+ 41. Kxg4 a4 $17) 40... a4 41. bxa4 Bxa4 {traspone a los comentarios a la jugada 35 de las negras.}) 1/2-1/2