Author: James Robertson
Date: 11:22:46 02/18/99
Go up one level in this thread
On February 18, 1999 at 08:44:19, Dusan Dobes wrote: >On February 18, 1999 at 07:37:40, Frank Schneider wrote: > >>On February 18, 1999 at 05:13:54, Dusan Dobes wrote: >> >>>I suggest upgrading Phalanx to version XXI. Phalanx XX has an ugly >>>bug in the static evaluation that make it drop all it's material >>>in most engames with outside passed pawns. It was detected by >>>Zeke Smigel who was running Phalanx on ICC, this is the critical >>>position: 8/6k1/6b1/3P2P1/6R1/2N1q3/1P3RK1/8 w - - 0 51 Rf7+?? >> >>There was another position in the winboard-tournament, I think in this >>game: >> >>[Event "WinBoard 4.0.0, Turnier 3"] >>[Site "Trier/Hamburg"] >>[Date "1999.01.23"] >>[Round "7.1"] >>[White "Phalanx"] >>[Black "Gromit"] >>[Result "0-1"] >>[ECO "C01"] >>[WhiteElo "2437"] >>[BlackElo "2441"] >>[PlyCount "134"] >>[EventDate "1998.??.??"] >> >>1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Bg5 Bg4 8. >>Nbd2 Nbd7 9. c3 h6 10. Bh4 c5 11. dxc5 Nxc5 12. Qc2 g5 13. Bg3 Bxg3 14. hxg3 >>Re8 15. Nd4 Nxd3 16. Qxd3 Qb6 17. N2b3 a5 18. a4 Bd7 19. Ra3 Re5 20. Qd2 Rae8 >>21. Nc1 Ne4 22. Qc2 Nc5 23. Nd3 Nxd3 24. Qxd3 Qxb2 25. Rb3 Qa2 26. Rxb7 Qxa4 >>27. Qd2 R5e7 28. Rb6 Kg7 29. f4 Qc4 30. fxg5 h5 31. Rh6 Qc7 32. Qd3 Rh8 33. Qf3 >>Qe5 34. Rf6 Rf8 35. Qxh5 Qe4 36. R1f5 Qb1+ 37. Kh2 Bxf5 38. Nxf5+ Qxf5 39. Qh6+ >>Kg8 40. Rxf5 Re6 41. g6 Rxg6 42. Rg5 Rxg5 43. Qxg5+ Kh7 44. Qxd5 Kg6 45. Qxa5 >>Rh8+ 46. Kg1 f6 47. g4 Rf8 48. Qf5+ Kg7 49. g5 fxg5 50. Qxg5+ Kh7 51. Qg4 Rg8 >>52. c4 Rxg4 53. g3 Rxc4 54. Kg2 Re4 55. Kf3 Re6 56. Kg4 Kg6 57. Kf4 Re8 58. g4 >>Kf6 59. g5+ Kg6 60. Kg4 Rf8 61. Kh4 Rf4+ 62. Kh3 Kxg5 63. Kg3 Rf8 64. Kh3 Kf4 >>65. Kg2 Kg4 66. Kh2 Kf3 67. Kh1 Kf2 0-1 >> >>51. Qg4 ... 52. ... Rxg4 >>Seems Gromit was lucky :) > >No, Gromit just had less bugs :-). I have found another example of >the bug in the winboard-tournament. That's game #443 against ANT. >There are probably others, less obvious. > >I want to add that i like Gromit's playing style. It always fights >for initiative and piece mobility. Do you still plan to release it >in sources? Yes... not like my program. It has a very ugly stle of play, and I cringe watching it, even though it often wins. James > >>>Dusan >>Frank
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.