Author: Frank Schneider
Date: 01:05:51 11/02/98
Go up one level in this thread
On November 01, 1998 at 20:12:54, Howard Exner wrote:
>On November 01, 1998 at 03:42:46, Torsten Schoop wrote:
< Comet-game snipped >
>>[Event "FSV-Summer98B"]
>>[Site "60/60, K-II-266"]
>>[Date "1998.10.18"]
>>[Round "3"]
>>[Result "1/2-1/2"]
>>[White "EXchess 2.48a"]
>>[Black "Gromit 2 280998"]
>>
>>1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 {*} 7. d4 Bd6
>>8. f4 Nc6 9. e5 {*} Bb4 10. Bxc6 dxc6 11. exf6 Qxf6 12. Ne4 Qg6 13. Ng5 Bd6 14.
>>c4 h6 15. Nf3 Be6 16. b3 c5 17. Ne5 Qh7 18. d5 Bf5 19. Qh5 Rae8 20. Kh1 b5
>>21. cxb5 f6 22. Nf3 Bd7 23. Ba3 Re4 24. Ng1 Bxb5 25. Rfc1 Rfe8 26. Bxc5
>>Bxf4 27. Rd1 Bd7 28. Rf1 a5 29. Qd1 Qg6 30. Rf2 Bg4 31. Qf1 Qg5 32. Ba3 Be3
>>33. Bc1 Qxd5 34. Bxe3 Rxe3 35. Rc1 R8e4 36. Rxc7 Re1 37. Qa6 Rxg1+
>
>I was curious as how the program came to play this move. Other moves like
>Bh3 or Qe5 give black a clear win. Rxg1 seems to throw away a nicely built up
>wining position.
This was a bug that I was not able to reproduce till now :-(
It could be something in my WinBoard-code, possibly in combination with
pondering, but so far I couldn't find anything.
At home Gromit always wants to play Qe5. Sorry that the bug costed half
a point.
>
>38. Kxg1
>>Re1+ 39. Rf1 Re2 40. Qc6 Rxg2+ 41. Kh1 Be6 42. Qxe6+ Qxe6 43. Kxg2 Qg4+ 44.
>>Kh1 Qe2 45. Rg1 Qe4+ 46. Rg2 g6 47. Rc4 Qf5 48. h4 Kg7 49. Rc7+ Kg8 50. Kg1
>>Qe4 51. Rc4 Qe3+ 52. Rf2 Qg3+ 53. Kf1 f5 54. Rcf4 Kf7 55. R2f3 Qh2 56. a3
>>Ke6 57. b4 Qh1+ 58. Ke2 Qg2+ 59. Ke1 axb4 60. axb4 Kd6 61. Rf2 Qc6 62. Kd2
>>Qh1 63. R2f3 Kc6 64. Rc3+ Kb7 65. Rcf3 Kb6 66. Ke2 Kb5 67. Rf1 Qg2+ 1/2-1/2
Frank
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