[Event "St Petersburg International Preliminary"]
[Site "St Petersburg"]
[Date "1914.05.03"]
[Round "9"]
[White "Lasker, Emanuel"]
[Black "Tarrasch, Siegbert"]
[Result "1/2-1/2"]
[ECO "C83"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "94"]
[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 27,94,0,0,-8,-8,-7,-7,-9,13,0,0,-8,-8,-12,-8,-12,-5,-5,-5,-5,-5,-5,-5,
-11,0,-167,-175,-184,-165,-381,-377,-379,-371,-371,-271,-415,-415,-408,-305,
-450,-11,-11,-11,-11,-11,-1406,-1337,-978,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0]} {Analizado por Fat Fritz 2.0.} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Re1 Nc5
12. Bc2 d4 $146 (12... Bg4 13. Nb3 Ne6 14. Qd3 g6 15. Bh6 Re8 16. Rad1 Bf8 17.
Bxf8 Bf5 18. Qd2 Bxc2 19. Qxc2 Rxf8 20. Qd2 Ne7 21. Nfd4 Qc8 22. Qe3 c6 23. Rd3
Kg7 24. Nxe6+ fxe6 25. Nc5 Nf5 26. Qg5 Ra7 27. Rf3 Raf7 28. h4 h6 29. Qg4 Kh7
30. Qh3 a5 31. g4 Ng7 32. Ree3 Qc7 33. Rxf7 Qxf7 34. Nd3 h5 35. f3 Qa7 36. Kf2
hxg4 37. Qxg4 Nf5 {0-1 (37) Janowski,D-Lasker,E Paris Casual Game 1912}) 13.
cxd4 Nxd4 14. Nxd4 Qxd4 15. Nb3 {C83: Open Ruy Lopez: 9 c3 Be7.} Nxb3 16. axb3
Qxd1 17. Rxd1 c5 18. Bd2 Rfd8 19. Ba5 Rxd1+ 20. Rxd1 f6 21. Bc3 fxe5 (21... b4
{looks sharper.} 22. exf6 gxf6 23. Re1 Kf7 24. Bd2 Bd6) 22. Bxe5 Rd8 23. Rxd8+
Bxd8 $11 {[%mdl 4096] Endgame KBB-KBB} 24. f4 Kf7 25. Kf2 Bf6 26. Bd6 $2 (26.
Ke3 $11) 26... Bd4+ $19 ({Weaker is} 26... Bxb2 27. Bxc5 g6 28. Ke2 $11) 27.
Kf3 Bd5+ ({Stronger than} 27... Bxb2 28. Bxc5 g6 29. Ke2 $11) 28. Kg4 $2 (28.
Ke2 {was the only defense.}) 28... Ke6 29. Bf8 Kf7 30. Bd6 Bxg2 31. Bxh7 (31.
b4 $142 cxb4 32. Bxb4) 31... Ke6 32. Bf8 Kd5 33. Kg5 (33. h4 {was called for.}
Bxb2 34. Kg3) 33... Bf6+ $2 ({Black should play} 33... Bxb2 $19 {aiming for ...
Bf6+.} 34. Bg8+ Kc6) 34. Kg6 $1 $11 Be4+ 35. f5 Ke5 36. Bxg7 $2 {[%mdl 8192]} (
36. Kf7 $11) 36... Bxf5+ $19 37. Kf7 Bxg7 $2 ({Less strong is} 37... Bxh7 38.
Bxf6+ Kd5 39. Ke8 $15) ({Better is} 37... Be6+ $19 38. Kg6 Bxg7 39. Kxg7 Bxb3)
38. Bxf5 Kxf5 39. Kxg7 $11 {[#] K3P-K3P Este fue el final que inspiró a Reti
para hacer su famoso estudio de 1922 que dio la vuelta al mundo.} a5 40. h4 {
[#] Black must now prevent h5.} Kg4 41. Kg6 $1 {h5 is the strong threat.} Kxh4
$11 {( -> ...a4). K3P-KPP} 42. Kf5 Kg3 43. Ke4 Kf2 $1 44. Kd5 Ke3 45. Kxc5 Kd3
46. Kxb5 Kc2 {[%mdl 64] [#] Double Attack} 47. Kxa5 {White threatens b4 and
mate.} Kxb3 {Weighted Error Value: White=0.48/Black=0.47} 1/2-1/2
