Author: Terry Presgrove
Date: 08:19:23 02/11/00
Go up one level in this thread
On February 11, 2000 at 05:18:03, Mark Ryan wrote: >On February 11, 2000 at 03:37:11, Terry Presgrove wrote: > >>Last night I was watching RT play a GM in 3 2 blitz matchs. RT's score shot up >>to +6 and I thought the game was over. Not quite.....I picked move 67 because >>it was the first of many oportunities RT had for the win. This is no problem >>for Crafty (TB-mate 18) or I'm sure other programs with Tablebases but for RT it >>became a nightmare. My question is how many programs without TB's can find the >>win? I left RT on for over 5 minutes and could not find it. But when I forced >>the move it saw the win (but not mate) emediately. >> >>(D) 8/8/8/6p1/5kp1/6R1/5PK1/3q4 b - - 0 67 bm Qf3 >> > [D]8/8/8/6p1/5kp1/6R1/5PK1/3q4 b - - 0 67 bm Qf3 >> >> RT blundered the win away at move 115 giving up the winning pawn. >> The only time problem was for the GM. >> The game went as follows: >> >> >>1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nbd2 c6 7. c4 Bf5 8. b3 >>Nbd7 9. Bb2 Rc8 10. Re1 Ne8 11. Nh4 Be6 12. Rb1 Qa5 13. a3 dxc4 14. Nxc4 Qa6 15. >>Nd2 Nd6 16. e4 Nb5 17. Nhf3 f6 18. h3 Qa5 19. Rc1 Nd6 20. b4 Qh5 21. g4 Qh6 22. >>Rc2 Nb6 23. Bc1 g5 24. Qe2 Qg6 25. Nh2 Nb5 26. Ndf3 Bb3 27. Rb2 Bc4 28. Qe3 Rcd8 >>29. Nf1 e5 30. dxe5 Rd3 31. Qc5 Re8 32. exf6 Bxf6 33. Rd2 Rb3 34. a4 Be7 35. Qf5 >>Nxa4 36. Ne3 Be6 37. Qxg6+ hxg6 38. Nc2 Rb1 39. Bf1 Nac3 40. Ncd4 Nxd4 41. Rxd4 >>Bxb4 42. Bd2 c5 43. Bxc3 cxd4 44. Rxb1 dxc3 45. Nd4 Ba3 46. Rxb7 Bc5 47. Nxe6 c2 >>48. Nxc5 c1Q 49. Nd3 Qc3 50. Rxa7 Rd8 51. Ra6 Kg7 52. Ra7+ Kf8 53. Kg2 Rxd3 54. >>Bxd3 Qxd3 55. Ra4 Qc2 56. Rd4 Ke7 57. Rb4 Ke6 58. e5 Qc6+ 59. Kg1 Qc3 60. Re4 >>Qxh3 61. Re3 Qxg4+ 62. Rg3 Qd1+ 63. Kg2 g4 64. Re3 g5 65. Rg3 Kxe5 66. Re3+ Kf4 >>67. Rg3 Qd5+ ( Qf3+ ) 68. Kg1 Qc4 69. Kg2 Qc6+ 70. Kg1 Qc1+ 71. Kg2 Qd2 72. >>Kg1 Qe2 73. Kg2 Qc4 74. Kg1 Qc2 75. Kg2 Qe4+ 76. Kg1 Qe1+ 77. Kg2 Qe2 78. Kg1 >>Qa6 79. Kg2 Qb5 80. Kg1 Qb1+ 81. Kg2 Qa1 82. Re3 Qa7 83. Rg3 Qa6 84. Kg1 Qa1+ >>85. Kg2 Qd1 86. Re3 Qd2 87. Rg3 Kf5 88. Re3 Qd1 89. Rg3 Ke4 90. Re3+ Kd4 91. Rg3 >>Qe2 92. Kg1 Qe1+ 93. Kg2 Qd1 94. Re3 Qc2 95. Rg3 Qc6+ 96. Kg1 Qc8 97. Kg2 Qf5 >>98. Kg1 Qb1+ 99. Kg2 Qe4+ 100. Kg1 Qe6 101. Kg2 Qd5+ 102. Kg1 Qf5 103. Kg2 Kd5 >>104. Kg1 Ke4 105. Kg2 Qf4 106. Re3+ Kd5 107. Rg3 Qc4 108. Kg1 Ke5 109. Kg2 Ke6 >>110. Kg1 Kf5 111. Kg2 Ke5 112. Kg1 Qd4 113. Kg2 Kf4 114. Kg1 Qe4 115. Ra3 g3 >>116. Rxg3 Qb1+ 117. Kg2 g4 118. Re3 Qd1 119. Rg3 Qd2 120. Re3 Qd5+ 121. Kg1 Qd1+ >>122. Kg2 Qb1 123. Rg3 Qc2 124. Re3 Qc4 125. Rg3 Qe2 126. Re3 Qb5 127. Rg3 Qf5 >>128. Kg1 Qc5 129. Kg2 Qb5 130. Kg1 Qa6 131. Kg2 Qc4 132. Kg1 Qc1+ 133. Kg2 Qb2 >>134. Kg1 Qa1+ 135. Kg2 Qa6 136. Kg1 Qc8 137. Kg2 Qd7 138. Kg1 Ke4 139. Kg2 Kd4 >>140. Kg1 Qc8 141. Kg2 Qc6+ 142. Kg1 Qc1+ 143. Kg2 Qc8 144. Kg1 Qd7 145. Kg2 Qb7+ >>146. Kg1 Qb1+ 147. Kg2 Qg6 148. Kg1 Qg5 149. Kg2 Qd5+ 150. Kg1 Qf5 151. Kg2....I >>offered draw he accepted >> >>Crafty analysis position above: >> >>end-game phase >> clearing hash tables >> time limit 4.50 (27.00) >> nss depth time score variation (1) >> 8 0.34 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 8-> 0.39 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 9 0.39 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 9-> 0.50 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 10 0.51 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 10-> 1.38 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 11 1.41 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 11-> 6.05 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 12 6.10 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 12-> 11.85 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >> 13 12.05 Mat18 67. ... Qf3+ 68. Rxf3+ gxf3+ <EGTB> >>Black(66): exit >>Black(67): new >> >> >>While its true he could have blundered under time constraint....I couldn't >>take it anymore...he deserved the draw. He had around 25 seconds left and Tiger >>just over a minute (if my memory serves me right). After move 115 I believe >>it was a TB draw. I don't have all the 5 man TB's but Crafty after 6 minutes >>could not find a win. >> >> I include here if someone wants to check. >> >>(D) 8/8/8/6p1/4qk2/6R1/5P2/6K1 b - - 0 116 > [D]8/8/8/6p1/4qk2/6R1/5P2/6K1 b - - 0 116
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