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Subject: Re: Some Rybka gems

Author: Mike Byrne

Date: 06:23:29 12/17/05

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On December 17, 2005 at 09:12:07, Albert Silver wrote:

>On December 17, 2005 at 08:45:19, Mike Byrne wrote:
>
>>[Event "Arena tournament"]
>>[Site "WIN-64-MB"]
>>[Date "2005.12.16"]
>>[Round "4"]
>>[White "Shredder8"]
>>[Black "Rybka v1.0 Preview.x64"]
>>[Result "0-1"]
>>[ECO "C04"]
>>[PlyCount "288"]
>>[EventDate "2005.??.??"]
>>
>>1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. Bd3 Nb4 6. e5 Nxd3+ 7. cxd3 Ng8 8.
>>Nf1 b6 9. Ng3 a5 10. O-O Ba6 11. Bg5 Be7 12. Qd2 h6 13. Bxe7 Nxe7 14. Nh5 O-O
>>15. Rac1 Ng6 16. Rc3 Bb5 17. Rfc1 c6 18. Qd1 a4 19. a3 Qe7 20. Qd2 Rac8 21. Nf4
>>Nxf4 22. Qxf4 Rc7 23. g4 Rb7 24. Qg3 c5 25. g5 h5 26. Qh4 g6 27. Qf4 Rc8 28. b4
>>axb3 29. Rxb3 Ba6 30. a4 c4 31. dxc4 Rxc4 32. Ra1 Rc2 33. Rbb1 Qc7 34. Ra3 Bc4
>>35. Ne1 Re2 36. Nf3 Qe7 37. Qc1 Re4 38. Re3 Be2 39. Rxe4 dxe4 40. Ne1 Qd8 41.
>>Qe3 Bc4 42. Rb4 Bd5 43. h4 b5 44. axb5 Qa5 45. Nc2 Rxb5 46. Qe1 Kg7 47. Rxb5
>>Qxb5 48. Qb4 Qd7 49. Ne3 Bc6 50. Kh2 Qa7 51. Kg3 Qa1 52. Kg2 Qa2 53. Qe7 Qa8
>>54. Qc7 Bd5 55. Qc2 Qd8 56. Qc5 Ba8 57. Qb4 Bc6 58. Qd2 Qb8 59. Qa5 Kg8 60. Kh2
>>Kh7 61. Qc5 Qb7 62. Qf8 Bd5 63. Kg3 Bb3 64. Nf1 Bc4 65. Nd2 Bd5 66. Kf4 Qc7 67.
>>Nf1 Qb7 68. Ng3 Bc6 69. Nf1 Qc7 70. Kg3 Bd5 71. Kh2 Bc4 72. Ne3 Be2 73. Kg3 Bd3
>>74. Kh2 Be2 75. Kg3 Bd3 76. Ng2 Be2 77. Kf4 Bb5 78. Ne3 Bd3 79. Kg3 Qd7 80. Kg2
>>Be2 81. Kh3 Bb5 82. Nd1 Bf1+ 83. Kg3 Bd3 84. Nc3 Qa7 85. Kf4 Qc7 86. Ke3 Qxc3
>>87. Qxf7+ Kh8 88. Qf8+ Kh7 89. Qf7+ Kh8 90. Qf8+ Kh7 91. Qh6+ Kg8 92. Qxg6+ Kf8
>>93. Qh6+ Ke7 94. Qf6+ Kd7 95. Qf7+ Kd8 96. Qf8+ Kd7 97. Qd6+ Ke8 98. Qxe6+ Kd8
>>99. Qd6+ Ke8 100. Kf4 Qd2+ 101. Kg3 e3 102. Qe6+ Kf8 103. Qf6+ Ke8 104. d5 exf2
>>105. Qc6+ Ke7 106. Qf6+ Ke8 107. Qc6+ Kd8 108. Qb6+ Ke8 109. Qe6+ Kd8 110. Qg8+
>>Kc7 111. Qf7+ Kc8 112. Qxf2 Qb4 113. Kh2 Be4 114. Qa2 Kb7 115. Qe2 Bxd5 116.
>>Kg3 Kc7 117. g6 Qd4 118. Qc2+ Bc6 119. Qf5 Qe3+ 120. Kh2 Bf3 121. Qf7+ Kb6 122.
>>Qf6+ Kc5 123. Kh3 Be4+ 124. Kh2 Qe2+ 125. Kg3 Qg2+ 126. Kf4 Qf3+ 127. Kg5 Qe3+
>>128. Qf4 Qg1+ 129. Kf6 Qxg6+ 130. Ke7 Bf5 131. Qe3+ Kd5 132. Kf8 Qg4 133. Qc3
>>Be6 134. Qa5+ Ke4 135. Qb5 Kf5 136. Qd3+ Kxe5 137. Qe3+ Kd5 138. Qb3+ Kc5 139.
>>Qc3+ Bc4 140. Qf6 Qg8+ 141. Ke7 Qd5 142. Qa1 Qf7+ 143. Kd8 Qf8+ 144. Kd7 Bb5+
>>0-1
>>
>>go to move 82
>>
>>[d] 5Q2/3q1p1k/4p1p1/1b2P1Pp/3Pp2P/4N2K/5P2/8 w - - 0 82
>>
>>and ask yourself how does black win this game
>
>I asked myself this and the asnwer was: with the help of white. I see no way for
>black to win otherwise. If white just plays Kh2-g3-h2, ad nauseum for example, I
>don't see what black can do since there is a permanent threat of perpetual
>hanging over him.
>
>                                         Albert


I agree, that's why I asked the question.  This is not really a good exmaple of
Rybka's wins against Shredder 8.

Best,
Michael



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