[Event "St Petersburg International Preliminary"]
[Site "St Petersburg"]
[Date "1914.05.05"]
[Round "10"]
[White "Janowski, Dawid Markelowicz"]
[Black "Lasker, Emanuel"]
[Result "0-1"]
[ECO "D30"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "104"]
[EventDate "1914.04.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "Lasker"]
[Source "ChessBase"]
[SourceDate "2002.01.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.23"]
[SourceQuality "1"]
{[%evp 9,104,0,0,0,49,1,28,0,26,0,18,0,20,-16,9,-29,0,0,0,-43,-24,-24,-18,-43,
0,-32,-33,-61,0,-71,-62,-96,-85,-122,-111,-405,-386,-371,-171,-200,-158,-168,
-170,-171,-115,-216,-110,-110,-118,-101,-44,-178,-50,-250,-214,-242,-222,-300,
-306,-310,-293,-296,-244,-238,0,0,0,0,0,-7,-7,0,0,0,0,0,-8,-15,0,0,0,0,0,-42,
-42,-209,-193,-559,-468,-1532,-1548,-1548,-1539,-1487,-1447,-1379,-1224]} {
Analiza "Fat Fritz 2.0".} 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nc6 5. Bd3 Nf6 6.
O-O {D30: Queen's Gambit Declined: Systems without Nc3.} Bd6 (6... dxc4 $11 7.
Bxc4 cxd4) (6... a6 7. Nc3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. a4 b4 11. Ne4 Nxe4
12. Bxe4 Na5 13. Bxb7 Nxb7 14. Qe2 Bd6 15. Rd1 O-O 16. b3 Qe7 17. Bb2 a5 18.
Nd2 Rfd8 {0-1 (88) Janowski,D-Lasker,E Berlin 1910}) 7. b3 (7. dxc5 $14 Bxc5 8.
cxd5 exd5 9. b3) 7... O-O 8. Bb2 {White has an edge.} b6 $146 ({Predecessor:}
8... Nb4 9. Nc3 Nxd3 10. Qxd3 b6 11. Ne5 dxc4 12. Qxc4 Bb7 13. Rfd1 Qe7 14. Nb5
cxd4 15. Nxd6 Qxd6 16. Qxd4 Qxd4 17. Rxd4 {0-1 (36) Sipek,J-Rotenstein,S
Berlin 1913}) 9. Nbd2 Bb7 10. Ne5 Qe7 11. a3 {[#]} Rad8 $5 {Típico en Lasker.
Sale del esquema : ... Tfd8 y ...Tac8 que sólo le daba la igualdad que no
quería...} 12. Qc2 dxc4 13. Ndxc4 cxd4 14. exd4 (14. Nxc6 $11 {is more
appropriate.} Bxc6 15. Bxd4) 14... Rc8 (14... Bb8 $5 {[%CAl Rc6d4]} 15. Nxc6
Bxc6 $11) 15. Qe2 Bb8 16. f4 Nd5 (16... Qd8 $15 {feels stronger.}) 17. Rae1 f5
$3 {[#] Frenando de golpe el ataque blanco, a costa de debilitar "e6", cosa
que no puede ser explotada por el blanco...} 18. Qd2 Nxe5 (18... a6 $15) 19.
Nxe5 (19. fxe5 $11 Kh8 20. Rc1) 19... a6 20. Bb1 Bd6 21. Nc4 b5 22. Na5 {
[%mdl 8192]} (22. Nxd6 $17 Qxd6 23. Re5) 22... Ba8 $19 23. b4 Nb6 (23... Qh4
$142 {[%CAl Rd5f4]} 24. g3 Qh3) 24. Nb3 Bd5 25. Nc5 Nc4 26. Qc3 Rf6 ({Black
should play} 26... Qh4 $19 27. g3 Qh3) 27. Bc1 (27. Rf2 $17) 27... a5 (27...
Rg6 $19 28. Rf2 Qh4) 28. Rf2 $17 axb4 29. axb4 Ra8 ({Black should try} 29...
Rf7 $17) 30. Ba2 (30. Bd3 $15) 30... Qf7 ({Better is} 30... Rg6 $19 31. Bb3 Qh4
) 31. Bxc4 $2 (31. Bb3 $1 $15) 31... Bxc4 32. Bb2 Rg6 33. Ra1 Rxa1+ 34. Bxa1
Qc7 35. Qe3 Rg4 {[%CAl Rd6f4]} 36. g3 g5 $2 (36... Rg6 $19 37. Bc3 Bd5) 37. d5
$11 Bxd5 {[%CAl Rg5f4]} 38. Qd4 {Threatens to win with Nxe6!} gxf4 39. Qh8+ Kf7
40. Qxh7+ Ke8 41. Qh8+ Bf8 42. Be5 {[%mdl 64] [#] Double Attack} Qf7 {White
must now prevent ...fxg3.} 43. Rxf4 Rxf4 44. Bxf4 Qg7 $36 {[%mdl 2048] Black
is more active.} 45. Qh5+ Kd8 46. Bg5+ (46. h4 $11) 46... Kc7 $15 {[#]} 47.
Bf4+ $2 (47. Be3 $15 {pero con chances tablíferas como demuestra, a modo de
ejemplo, este enfrentamiento entre dos módulos informáticos punteros de la
actualidad:} Qa1+ 48. Kf2 Qb2+ 49. Qe2 Qxe2+ 50. Kxe2 e5 51. h4 Bf7 52. Nd3 Bg7
53. Kf2 Kd6 54. Bc1 Bh8 55. g4 fxg4 56. Kg3 Kd5 57. Nf2 Bf6 58. Bg5 Bg7 59.
Nxg4 Bf8 60. h5 Ke6 61. h6 Bg6 62. Bd2 Kf5 63. Bc3 e4 64. Ne3+ Kg5 65. Bd2 Kxh6
66. Nd5+ Kh7 67. Kf2 Kg7 68. Ke3 Kf7 69. Kd4 Ke8 70. Nf4 e3 71. Kxe3 {½-½
(71) Fat Fritz 2-Dragon by Komodo Chess 64-bit Tenerife - 40 jugadas en 1 hora
sin finish - 2021}) 47... Bd6 $1 $19 {[%CAl Rd6f4] aiming for ...Bxf4.} 48.
Bxd6+ (48. Qf3 {was the crucial defense.}) 48... Kxd6 {Black is clearly
winning.} 49. Qh4 (49. Qe2 $142 Qd4+ 50. Qf2 Qxb4 51. Nd3 Qb1+ 52. Ne1) 49...
Qa1+ 50. Kf2 Qb2+ 51. Ke1 Qc1+ 52. Ke2 Bc4+ {Weighted Error Value: White=0.67/
Black=0.34} 0-1
