Author: Kurt Utzinger
Date: 03:11:17 05/15/04
[D]8/5pk1/p4p2/bb1R1p1p/1p3B2/1P4K1/8/8 w - - 0 55
Fritz8 vs The King 3.23 X (RK 2004, round 15.3)
Position after 54...Bb5
Is it possible that the next move of Fritz8
55.Rxf5 is a mistake losing the game? It could
be as the big disadvantage of 55.Rxf5 is that
square f5 becomes free for Black's king.
[Event "RK 2004 Ath 1.3/64 90m+30s"]
[Site "Zurich"]
[Date "2004.05.08"]
[Round "15.3"]
[White "Fritz 8"]
[Black "The King 3.23 X"]
[Result "0-1"]
[ECO "E55"]
[Annotator "Utzinger,K"]
[PlyCount "206"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4
Nbd7 9. Qe2 b6 10. Rd1 cxd4 11. exd4 Bb7 12. Bd3 Rc8 13. Bd2 Bd6 {
Black last book move} 14. Nb5 Bb8 15. Bg5 {White last book move} 15... Qe7 16.
Ne5 Rfd8 17. f4 Nf8 18. Qf2 a6 19. Nc3 b5 20. Ne2 Ng6 21. Qg3 Ba7 22. Kh1 Rd5
23. a4 b4 24. Qe1 Rcd8 25. Be4 Rxe5 26. dxe5 Bxe4 27. exf6 gxf6 28. Bh6 Bd5 29.
h4 Kh8 30. f5 exf5 31. h5 {Material is about equal, but black's pawn structure
is rather weak; on the other hand it is Black to have the strong bishop pair.
Anyway, the following bishop sacrifice comes as a real surprise - Material ist
etwa gleichwertig, aber Schwarz hat eine schwache Bauernstruktur, dafuer das
starke Laeuferpaar. Trotz allem kommt das folgende Laeuferopfer recht
ueberraschend} 31... Bxg2+ ({X3D Fritz:} 31... Qe4 32. Rxd5 Rxd5 33. hxg6 hxg6
34. Nf4 Qxe1+ 35. Rxe1 Rd8 36. Re7 Rd1+ 37. Kh2 Bg1+ 38. Kh3 Bd4 39. Kg3 {
-0.33/16}) 32. Kh2 (32. Kxg2 Qe4+ 33. Kh2 Bb8+ 34. Ng3 Bxg3+ 35. Kxg3 Qh4+ 36.
Kg2 Qg4+ 37. Kf2 Qh4+ 38. Kg2 Qg4+ 39. Kf2 Qh4+ 40. Kg2 Qg4+ {
would lead to a draw - wuerde zum Remis fuehren}) 32... Rg8 {
Again unexpected - Wiederum unerwartet} 33. hxg6 Rxg6 34. Bf4 {?! Not best: to
prefer was therefore 34.Nf4 - Nicht am besten, denn 34.Sf4 war vorzuziehen}
34... Rg4 {A strong rook maneouvre which gives Black the advantage - Ein
starker Turmzug, wonach der Vorteil an Schwarz uebergeht} 35. Rd3 ({X3D Fritz:
} 35. Ng3 Bc6 36. Kh3 Qxe1 37. Rxe1 Rxf4 38. Re7 Bb8 39. Rxf7 Be5 40. Rc1 {
-1.16/15}) 35... Qe4 {A further strong move demonstrating that White is rather
helpless - Ein erneut starker Zug, der die Hilflosigkeit von Weiss
unterstreicht} 36. Rad1 Bf3 {It looks like the game would be over for White -
Es sieht so aus, als ob das Spiel fuer Weiss aus waere} 37. Rd4 (37. Rxf3 Qxf3
38. Bg3 Bb8 39. Rd8+ Kg7 40. Rxb8 Re4 {-+}) 37... Rg2+ 38. Kh3 Bg4+ (38... Bxd4
39. Rxd4 (39. Nxd4 Qxf4) 39... Bg4+ 40. Kh4 Qxe2 41. Qxe2 Bxe2 42. Rxb4 {
and we have a similar situation as in the game - und wir haben eine analoge
Situation wie in derPartie}) 39. Kh4 Qxe2 40. Qxe2 Bxe2 {With the threats Bxd1,
Bxd4 and Rg4 followed by Rxf4 - Mit den Drohungen Lxd1, Lxd4 und Tg4 gefolgt
von Txf4} 41. Rd8+ Kg7 42. Kh3 Bxd1 43. Kxg2 Bxa4 44. Kg3 Bb5 45. b3 h5 {
It is more than doubtful that Black can win this position - Es ist zweifelhaft,
ob man diese Stellung mit Schwarz gewinnenkann} 46. Rd5 Kg6 47. Rd8 Bb6 48. Rh8
Be2 49. Rg8+ Kh7 50. Rb8 Bc5 51. Rd8 Kg7 52. Rd5 Bb6 53. Rd6 Ba5 54. Rd5 Bb5
55. Rxf5 {?! There was no need to take this pawn as this only allows Black to
find a free square for its king - Es war nicht notwendig, diesen Bauern zu
schlagen, denn nun erhaelt der schwarze Koenig ein gutes, freies Feld} 55...
Kg6 56. Rd5 Bb6 57. Rd1 Be2 58. Rd2 Bf1 59. Rd6 Bc5 60. Rd5 Bf8 61. Rd8 Bg7 62.
Bd2 Bb5 63. Bxb4 Bh6 64. Bd6 Bg5 65. Rh8 Bc6 66. b4 Bd2 67. Kf2 Be4 68. Rb8 Bg5
69. Ke2 Bc6 70. Rc8 Bb5+ 71. Kf3 h4 72. Bf4 Ba4 73. Bd6 Bb3 74. Rc5 Bd1+ 75.
Kg2 Be2 76. Kf2 Bb5 77. Rc8 f5 78. Kf3 f6 79. Rc3 Bh6 80. Rc5 Bd3 81. Kf2 Bg5
82. Rd5 Bb5 83. Rc5 f4 84. Rc3 Kf5 85. Kf3 h3 {
Black is steadily making progress - Schwarz macht dauernd Fortschritte} 86.
Rc5+ Kg6 87. Rc2 Ba4 {
And from here on Black has a won game - Von hier weg hat Schwarz Gewinnstellung
} 88. Rh2 Bc6+ 89. Kf2 Bg2 {With the threat Bg5-h4-g3 - Mit der Drohung, das
Laeufermanoever Lg5-h4-g3 auszufuehren} 90. Rxg2 hxg2 91. Kxg2 Kf7 92. Kf3 f5
93. Be5 Ke6 94. Bc3 Bf6 95. Be1 (95. Bxf6 Kxf6 96. Kxf4 Ke6 97. Kf3 Ke5 98. Ke3
Kd5 {-+}) 95... Be5 96. Ke2 Kd5 97. Kd3 Bd6 98. Bd2 f3 99. Bc3 (99. Ke3 Bf4+
100. Kxf4 f2) 99... Bg3 100. Bd2 f4 101. Bc3 Ke6 102. Bd4 Kf5 103. Bb6 Kg4 0-1
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