Author: Bas Hamstra
Date: 18:35:41 08/09/02
Go up one level in this thread
On August 08, 2002 at 18:29:53, José Carlos wrote:
>
> Today on ICC:
>
>[D]r3r1k1/3q1ppp/p2p1b2/1ppPn3/4B3/3P2PP/PPPB4/R2Q1RK1 w - - 0 18
>
> In this position, my program played Rxf6. After a strange game, I believe with
>some blunders by white, it ended in a draw.
> What does your program think? Is Rxf6 winning?
>
> The game (sac on move 18):
>
>[Event "ICC 30 30"]
>[Site "Internet Chess Club"]
>[Date "2002.08.08"]
>[Round "-"]
>[White "AvernoX"]
>[Black "ArasanX"]
>[Result "1/2-1/2"]
>[ICCResult "Game drawn because neither player has mating material"]
>[WhiteElo "2360"]
>[BlackElo "2400"]
>[Opening "Sicilian: closed"]
>[ECO "B23"]
>[NIC "SI.44"]
>[Time "08:58:04"]
>[TimeControl "1800+30"]
>
>1. Nc3 c5 2. e4 d6 3. Nge2 Nf6 4. g3 e5 5. Bg2 Be7 6. d3 Nc6 7. O-O O-O 8.
>h3 a6 9. Be3 b5 10. f4 Qc7 11. fxe5 Nxe5 12. Nf4 Bb7 13. Ncd5 Nxd5 14. Nxd5
>Bxd5 15. exd5 Bf6 16. Be4 Rfe8 17. Bd2 Qd7 18. Rxf6 gxf6 19. Qh5 Ng6 20. Bc3
>Qe7 21. Rf1 f5 22. Qxf5 b4 23. Bf6 Qf8 24. h4 Qh6 25. Qg4 Qe3+ 26. Kg2 Rxe4
>27. dxe4 Re8 28. h5 Rxe4 29. Qf5 Re5 30. Bxe5 Nxe5 31. Rf2 h6 32. Qf4 Qe1
>33. g4 Qd1 34. g5 Qxd5+ 35. Kg3 Qh1 36. gxh6 Qxh5 37. Rg2 Ng6 38. Kf2 Qd1
>39. h7+ Kg7 40. h8=B+ Kxh8 41. Qxf7 Qd2+ 42. Kg1 Qc1+ 43. Qf1 Qe3+ 44. Kh1
>Nf4 45. Rf2 Qe4+ 46. Kh2 Qh7+ 47. Kg3 Nh5+ 48. Kh3 Nf4+ 49. Kg4 Ne6 50. Kg3
>Qg6+ 51. Kh2 Ng5 52. Re2 Qh5+ 53. Kg3 Kg7 54. Re7+ Nf7 55. Qf4 Qg6+ 56. Qg4
>Qxg4+ 57. Kxg4 Kf6 58. Ra7 Ne5+ 59. Kf4 Ke6 60. Rxa6 Nc4 61. a3 Nxb2 62.
>axb4 cxb4 63. Rb6 Nc4 64. Rxb4 d5 65. c3 Kd6 66. Rb8 Ke6 67. Re8+ Kd6 68.
>Ra8 Nb6 69. Ra1 Kc5 70. Ra6 Nc4 71. Ra8 Nb6 72. Rb8 Na4 73. Rb3 Kd6 74. Ke3
>Ke5 75. Kd2 Nc5 76. Rb8 Ne6 77. Kd3 Kd6 78. Rh8 Ke5 79. Ra8 Nc5+ 80. Ke3 Ne6
>81. Ra6 Nc5 82. Ra5 Kd6 83. Rb5 Ne6 84. Rb8 Ng7 85. Rf8 Ne6 86. Rh8 Ke5 87.
>Ke2 Nf4+ 88. Kf3 Ne6 89. Ra8 Nc7 90. Rb8 Na6 91. Re8+ Kd6 92. Kf4 Nc5 93.
>Rd8+ Ke6 94. Rg8 Na4 95. Rg3 Kd6 96. Rh3 Kc5 97. Rg3 Kc4 98. Rg1 Nxc3 99.
>Rh1 d4 100. Ra1 Nd5+ 101. Kg5 Nb4 102. Rh1 d3 103. Ra1 Kd4 104. Rh1 Nd5 105.
>Ra1 Ne3 106. Rh1 d2 107. Ra1 Ke5 108. Rh1 Nc4 109. Ra1 Nb2 110. Rh1 Ke4 111.
>Ra1 Kd5 112. Rh1 Kc4 113. Ra1 Kb4 114. Rh1 Kc5 115. Ra1 Kd4 116. Rh1 Ke3
>117. Ra1 Kf2 118. Rh1 Kg3 119. Ra1 Kf3 120. Rh1 Ke3 121. Ra1 Kd3 122. Rh1
>Kc3 123. Ra1 Kc4 124. Rh1 Kd5 125. Ra1 Kc5 126. Rh1 Kd6 127. Ra1 Ke5 128.
>Rh1 d1=Q 129. Rxd1 Nxd1 {Game drawn because neither player has mating
>material} 1/2-1/2
>
> José C.
Tao sees a minimal advantage after a very long time, nothing winning. A couple
of the sacs I've seen here, are at best "playable" but not winning.
11 -19 31910 13221832 g1h2 e5g6 c2c3 b5b4 c3b4 c5b4 d2b4 f6b2 e4g6
h7g6 a1b1
11. -19 34880 14470750 g1h2 e5g6 c2c3 b5b4 c3b4 c5b4 d2b4 f6b2 e4g6
h7g6 a1b1
12 -21 122210 49428909 g1h2 e5g6 c2c3 b5b4 d1c2 b4c3 b2c3 a8b8 a1b1
b8b1 f1b1 a6a5
12. -21 157420 63314698 g1h2 e5g6 c2c3 b5b4 d1c2 b4c3 b2c3 a8b8 a1b1
b8b1 f1b1 a6a5
13 -14 455000 185283259 g1h2 e5g6 c2c3 b5b4 d1c2 b4c3 b2c3 a8b8 a1e1
d7b7 e1b1 b7c7 c2a4
13. -14 478290 195352508 g1h2 e5g6 c2c3 b5b4 d1c2 b4c3 b2c3 a8b8 a1e1
d7b7 e1b1 b7c7 c2a4
14 -18 1068800 435178203 g1h2 e5g6 c2c3 b5b4 d1c2 b4c3 b2c3 a8b8 a1e1
e8e5 e4g6 h7g6 e1e5 f6e5
14 -18 1510450 614235725 f1f6!!
14 -6 1666330 678871221 f1f6 g7f6 d1h5 e5g6 d2c3 d7e7 a1f1 f6f5 f1f5
a6a5 c3f6 e7f8 g1h2 a5a4
14. -6 1691760 689724402 f1f6 g7f6 d1h5 e5g6 d2c3 d7e7 a1f1 f6f5 f1f5
a6a5 c3f6 e7f8 g1h2 a5a4
15 2 1968640 804850698 f1f6 g7f6 d1h5 e5g6 d2c3 d7e7 a1f1 f6f5 f1f5
a6a5 c3f6 e7f8 g1h2 a5a4 f5f1
15. 2 2035590 833153473 f1f6 g7f6 d1h5 e5g6 d2c3 d7e7 a1f1 f6f5 f1f5
a6a5 c3f6 e7f8 g1h2 a5a4 f5f1
Best regards,
Bas.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.