Author: scott farrell
Date: 15:54:24 01/17/03
Go up one level in this thread
On January 17, 2003 at 14:07:59, Anthony Cozzie wrote: >Last night Zappa played a most annoying game vs sfarrellc: > >[Event "ICS Rated Standard match"] >[Site "chessclub.com"] >[Date "2003.01.17"] >[Round "-"] >[White "Zappa"] >[Black "sfarrellc"] >[Result "*"] >[WhiteElo "2231"] >[BlackElo "2185"] >[TimeControl "2700+10"] > >1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf3 Nxf3+ 5. Qxf3 Qf6 6. Qe3 Bb4+ 7. c3 >Ba5 8. Qg3 Ne7 9. Bg5 Qg6 10. Nd2 f6 11. Bf4 d6 12. Bb5+ c6 13. Bd3 Qxg3 >14. hxg3 Bc7 15. Nc4 Kd7 16. O-O-O h6 17. Bxd6 Bxd6 18. Be2 Kc7 19. Nxd6 >Be6 20. Bc4 Bxc4 21. Nxc4 Rad8 22. Kc2 Rde8 23. f3 Nc8 24. Rd4 Rd8 25. Rhd1 >Rxd4 26. Rxd4 Rd8 27. Rxd8 Kxd8 28. e5 fxe5 29. Kd3 Kc7 30. Nxe5 c5 31. Ke4 >Kd6 32. f4 Ke6 33. f5+ Ke7 34. g4 Nb6 35. b3 Nd7 36. Nxd7 Kxd7 37. Kd5 b6 >38. a4 Ke7 39. Kc6 Ke8 40. Kb7 Kd7 41. Kxa7 Kc6 42. Kb8 Kd5 43. Kc7 c4 44. >bxc4+ Kc5 45. g3 Kxc4 46. Kxb6 Kd5 47. a5 Ke4 48. a6 Kf3 49. a7 Kxg4 50. >a8=Q Kxf5 51. Qf8+ Ke4 52. Qxg7 Kd3 53. Qxh6 Ke2 54. Qf4 Kd3 55. Qe5 Kd2 >56. Qe6 Kd1 57. Qa2 Ke1 58. Qc2 Kf1 59. Qh2 Ke1 60. Qc2 Kf1 61. Qh2 Ke1 62. >Qg2 Kd1 63. Qa2 Ke1 64. Qg2 Kd1 65. Qf2 Kc1 66. Qa2 Kd1 67. Qf2 Kc1 68. Qa2 >Kd1 69. Qg2 Ke1 70. Kb5 Kd1 71. Qf2 Kc1 72. Qe2 Kb1 73. Qg2 Kc1 74. Qe2 Kb1 >75. Qg2 Kc1 76. Qf2 Kd1 77. Kc5 Kc1 78. Kb5 Kd1 79. Kc5 Kc1 80. Qe2 Kb1 81. >Kb5 Kc1 82. Qd3 Kb2 83. Qd2+ Kb1 84. Qd1+ Kb2 85. Qd2+ Kb1 86. Qd1+ Kb2 87. >Qd3 Kc1 88. Ka6 Kb2 89. Qd2+ Ka1 90. Kb6 Kb1 91. Qd1+ Kb2 92. Qd2+ Ka1 93. >Qd1+ Kb2 94. Qd2+ Ka1 95. Qd1+ Kb2 [1/2] > >In the end, Zappa has KQPP v K, and calculated a mate in 20 or some other trash. > Somehow, though, a few of the key transposition table entries were wrong, or >something. Currently, whenever Zappa sees a mate in the TTable, it returns >instantly with that score. Zappa saw a mate on every square (in 1 ply) but was >unable to make progress (and yes, I have a progress factor). So the questions >are: > >1) is there just a bug here? >2) if you get a mate score from the hash table, what do you do? > >anthony Looks fine to me, I dont see any problem, just keep on playing those checking moves !!! Just a word of warning, dont change too many things before CCT5 or you will make too many bugs. Scott
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