[Event "World Championship 23th"]
[Site "Moscow"]
[Date "1960.04.12"]
[Round "12"]
[White "Botvinnik, Mikhail"]
[Black "Tal, Mihail"]
[Result "1/2-1/2"]
[ECO "D40"]
[Annotator "Tactical Analysis 4.1 (30s)"]
[PlyCount "144"]
[EventDate "1960.03.15"]
[EventType "match"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "Tal Games"]
[Source "ChessBase"]
[SourceDate "2014.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2014.03.03"]
[SourceQuality "1"]
{[%evp 19,144,31,42,14,20,24,16,24,34,38,42,0,0,10,36,54,96,107,120,125,159,59,
123,8,19,8,8,0,4,0,3,8,8,0,0,0,0,0,0,-7,-8,-20,0,-659,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2.
d4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O
10. cxd5 exd5 11. Nb5 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.}
Bb8 {[#]} 12. Be2 $146 ({Predecessor:} 12. Nbd4 Qe7 13. Nxc6 bxc6 14. Qc2 Bd7
15. Ng5 Be5 16. Ba6 Rab8 17. Rb1 Bxb2 18. Rxb2 c5 {0-1 (30) Dus Chotimirsky,
F-Tarrasch,S Hamburg 1910}) 12... a5 13. bxa5 Nxa5 14. O-O Ra6 15. Be5 Bxe5 16.
Nxe5 Re8 17. Nd3 Ne4 (17... Bd7 $14 {might be stronger.} 18. Nf4 Nc4) 18. Nf4
$16 Re5 19. Rc1 Rh6 20. Nd4 (20. Qd4 $1 $16 {[%CAl Rd4e5]} Re8 21. Qxd5) 20...
Nc6 ({Black should try} 20... Re8 $14) 21. g3 ({White should play} 21. Nf3 $1
$16 {[%CAl Rf3e5]} Re8 22. Qxd5 (22. Nxd5 $2 Rd6 $19)) 21... g5 22. Nd3 {
Nxc6 is the strong threat.} Re8 23. Bg4 Bxg4 24. Qxg4 Nxd4 25. exd4 Qf6 26. Ne5
Nd2 {And now ...Rxe5 would win.} 27. Rfd1 Rxe5 28. Rxd2 Re4 29. Qc8+ Kg7 30.
Qxb7 Qe6 31. Rf1 {[%mdl 8192] [#]} (31. Ra2 $11) 31... Re1 $2 ({Better is}
31... Reh4 $1 $19 {[%CAl Rh4h2][%mdl 512]} 32. Re2 (32. gxh4 $2 Qg4+ {[%mdl 64]
Double Attack} 33. Kh1 Qf3+ {[%mdl 64] Double Attack} 34. Kg1 gxh4 $19) 32...
Qxe2 33. Qxd5 R4h5) 32. Qb5 {The position is equal.} (32. Qc7 {is more complex.
} Qh3 33. Rxe1 Qxh2+ 34. Kf1 Qh1+ 35. Ke2) 32... Qh3 {[%csl Gh6][%CAl Rh3h2]}
33. f3 (33. Rxe1 $2 {too greedy.} Qxh2+ 34. Kf1 Qh1+ 35. Ke2 Re6+ 36. Kd3 Rxe1
$19) 33... Qe6 (33... Rb6 {is interesting.} 34. Qd3 Rbb1 35. Rdf2 Rxf1+ 36.
Rxf1 Rb2) 34. Rdf2 Rf6 35. Rxe1 Qxe1+ $11 {[%mdl 4096] Endgame KQR-KQR} 36. Kg2
g4 37. Qd3 ({Don't blunder} 37. Qxd5 $2 gxf3+ 38. Qxf3 Rxf3 $19) 37... h5 38.
Rf1 Qe6 (38... Rxf3 {feels hotter.} 39. Rxf3 gxf3+ 40. Qxf3 Qd2+ 41. Qf2 Qc3)
39. fxg4 {aiming for Rxf6.} (39. a4 {seems wilder.} Qb6 40. Qe3 Kf8 41. Qc3
gxf3+ 42. Rxf3 Rxf3 43. Kxf3 Qb1 44. Kg2) 39... Rxf1 40. Kxf1 hxg4 {KQ-KQ} 41.
a4 Qb6 42. Kf2 Qb4 43. Ke3 Qxa4 44. Kf4 Qa2 45. Qe3 Qxh2 {( -> ...Qh6+)} 46.
Qe5+ Kf8 47. Qd6+ ({Resist} 47. Qxd5 $6 Qd2+ 48. Kxg4 Qe2+ 49. Qf3 Qc2 $16)
47... Kg7 {Strongly threatening ...Qf2+.} 48. Qxd5 Qf2+ 49. Kxg4 f5+ 50. Kg5 {
White threatens Qe5+ and mate.} Qxg3+ 51. Kxf5 {Black must now prevent Qe5+.}
Qg6+ 52. Kf4 Qf6+ 53. Ke3 Kf8 54. Kd3 Qf1+ 55. Ke4 Qg2+ 56. Ke5 Qg5+ 57. Ke6
Qe7+ 58. Kf5 Qc7 59. Qa8+ Ke7 60. Qe4+ Kd8 61. Qh4+ Kc8 62. Qh8+ Kb7 63. Qe5 {
Qxc7+ would kill now.} Qf7+ 64. Ke4 {Threatens to win with Qd5+.} Qg6+ 65. Qf5
(65. Ke3 {with more complications.} Qh6+ 66. Kf2 Qd2+ 67. Kf3 Qc1 68. Kg4)
65... Qd6 66. Qf7+ (66. Qb5+ {looks sharper.} Kc8 67. Qe8+ Kc7 68. Qe5 Kd7 69.
Qg7+) 66... Kc8 67. Qf5+ Kd8 68. Qa5+ Ke8 69. d5 Ke7 70. Qa7+ Kd8 71. Qa8+ Kd7
72. Kf5 Ke7 {Weighted Error Value: White=0.26/Black=0.24} 1/2-1/2
