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Subject: Comet/Crafty-interesting game, irritating sacrifice

Author: Pete Galati

Date: 21:01:21 04/10/00


This is a game from a quick match between the new Comet and Crafty.  My time
controls I guess were a little bit fast 40 moves/10 minutes, and this is my slow
computer, but Comet made a sacrifice I did'nt understand on the position below,
99. RxP QxR, Shouldn't have Comet played 99. R-R1 instead? Other than that some
great jockeying for position, and Comet makes what looks to me like some brave
moves, but lost the game.

"Craftyob" indicates that it's Crafty using the book downloaded at Bob's ftp.

[Event "Computer chess game"]
[Site "DEFAULT"]
[Date "2000.04.10"]
[Round "2"]
[White "Comet"]
[Black "Craftyob"]
[Result "0-1"]
[TimeControl "40/600"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7
8. e3 d6 9. f3 Nbd7 10. Bd3 c5 11. Ne2 Rc8 12. Qb3 h6 13. Bh4 cxd4 14. exd4
d5 15. O-O dxc4 16. Bxc4 Nb8 17. Rfc1 Nc6 18. Qd3 e5 19. d5 Na5 20. Ba2 g5
21. Bg3 Qd6 22. Nd4 Bxd5 23. Nf5 Qe6 24. Nxh6+ Kg7 25. Bxd5 Nxd5 26. Nf5+
Kh8 27. b4 Nc6 28. b5 Nce7 29. Nxe7 Nxe7 30. Rd1 Nf5 31. Bf2 Rfd8 32. Qxd8+
Rxd8 33. Rxd8+ Kg7 34. a4 Kf6 35. Re1 Qc4 36. Re4 Qc1+ 37. Be1 Qc5+ 38. Kh1
Qc1 39. Rd3 Ke6 40. Rc3 Qd1 41. Rc6+ Nd6 42. Re3 f5 43. a5 f4 44. Re4 bxa5
45. h3 Qb1 46. Re2 Qxb5 47. Rcc2 a4 48. Kh2 a3 49. Bf2 a5 50. Ba7 Kf6 51.
Ra2 Nc4 52. Bf2 Qb3 53. Bc5 a4 54. Rf2 Qc3 55. Rfc2 Qb3 56. Rf2 Ke6 57. Bf8
Qe3 58. Rfc2 Qb3 59. Rf2 Qd3 60. Bc5 Qc3 61. Rac2 Qb3 62. Ra2 Qd3 63. Rfc2
Qb3 64. Rf2 Qd3 65. Rfc2 Ne3 66. Rc1 Qd5 67. Re2 Nf1+ 68. Rxf1 Qxc5 69. Ra1
Qb4 70. Rea2 e4 71. fxe4 Qxe4 72. Rxa3 Qe5 73. Kh1 Qh8 74. Rxa4 Kf5 75. Ra8
Qh4 76. Kg1 Kg6 77. R1a6+ Kf5 78. Rf8+ Ke5 79. Re8+ Kf5 80. Ra5+ Kf6 81.
Rb5 g4 82. Rf8+ Ke6 83. Rxf4 Qe1+ 84. Rf1 Qc3 85. h4 g3 86. Rh5 Qd3 87.
Rh6+ Ke5 88. Rh8 Ke6 89. Re1+ Kf7 90. Rh5 Qd4+ 91. Kh1 Qf4 92. Ra1 Kg6 93.
Rg5+ Kf7 94. Ra7+ Kf6 95. Ra6+ Ke7 96. Ra7+ Kd6 97. Ra6+ Kc7 98. Rg7+ Kb8
99. Rxg3 Qxg3 100. Rh6 Kc7 101. Rh7+ Kd6 102. Kg1 Qe1+ 103. Kh2 Qe5+ 104.
g3 Qe2+ 105. Kh3 Qf1+ 106. Kg4 Qd1+ 107. Kg5 Qd5+ 108. Kh6 Qe6+ 109. Kh5
Qe5+ 110. Kh6 Qxg3 111. h5 Qe3+ 112. Kg6 Qe6+ 113. Kg5 Ke5 114. Rc7 Qf6+
115. Kg4 Qf4+ 116. Kh3 Qf3+ 117. Kh4 Kf6 118. Ra7 Qf2+ 119. Kg4 Qxa7 120.
h6 Qe3 121. h7 Kg7 122. h8=Q+ Kxh8 123. Kh4 Kg7 124. Kh5 Qg1 125. Kh4 Kf6
126. Kh3 Kf5 127. Kh4 Qh2#
{Black mates} 0-1

[D]1k6/6R1/R7/8/5q1P/6p1/6P1/7K w - - 0 99

99. RxP?



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