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Subject: Re: Rybka: endgame knowledge lacking - ? -

Author: Eduard Nemeth

Date: 22:32:39 12/06/05

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On December 06, 2005 at 22:25:23, Telmo C. Escobar wrote:

>[Event "Computer chess game"]
>[Site "CLIENTE2"]
>[Date "2005.12.07"]
>[Round "-"]
>[White "The Baron 1.7.0"]
>[Black "Rybka 1.0 Beta"]
>[Result "1/2-1/2"]
>[TimeControl "300"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8.
>h3 O-O 9. c3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bd7 13. Ng3 Na5 14. Bc2 c5
>15. Bd3 Qc7 16. Bd2 Nc4 17. Bxc4 bxc4 18. dxe5 dxe5 19. Qe2 Red8 20. Red1
>Ba4 21. Rdc1 Rab8 22. Rab1 Qd6 23. Be3 a5 24. Kh1 g6 25. Qf1 Qe6 26. Nd2
>Bb5 27. Qd1 h5 28. Qe2 h4 29. Ngf1 Be7 30. Kg1 Rd7 31. Bg5 Nh5 32. Bh6 Nf4
>33. Bxf4 exf4 34. Nf3 Rbd8 35. N1h2 Bc6 36. Re1 Rd3 37. Ng4 Bf6 38. Qc2 Kg7
>39. Qe2 R8d7 40. Ra1 Kg8 41. Qc2 Bg7 42. Qc1 Rb7 43. Nxh4 a4 44. Nf3 a3 45.
>bxa3 Bxc3 46. Qxf4 f6 47. h4 Bd7 48. Nh6+ Kg7 49. Rab1 Rxb1 50. Rxb1 Qd6
>51. e5 Bxe5 52. Nxe5 Qxe5 53. Qxc4 Qd5 54. Rc1 Qxc4 55. Rxc4 Kxh6 56. Rxc5
>Rxa3 57. Rc2 Be8 58. Kf1 Bf7 59. Ke2 Bxa2 60. g3 Bd5 61. Kd2 Rf3 62. Ke2
>Be4 63. Rd2 Rb3 64. Rd6 f5 65. Kd2 Kh5 66. Re6 g5 67. Re8 gxh4 68. Rh8+ Kg6
>69. Rxh4 Kf6 70. Rh2 Ke5 71. Rh8 Rd3+ 72. Ke2 Ra3 73. Rb8 Kd4 74. Rb4+ Kc5
>75. Rb8 Bf3+ 76. Ke1 Kd4 77. Rd8+ Bd5 78. Kf1 Ra2 79. Rf8 Kd3 80. f3 Bxf3
>81. Rb8 Kd4 82. Rb4+ Ke5 83. Rb8 Bc6 84. Rf8 Ke4 85. Kg1 Bd5 86. Rd8 Rc2
>87. Rf8 Rd2 88. Rf6 Ra2 89. Rd6 Ke5 90. Rg6 Rc2 91. Kf1 Rb2 92. Rg7 Be4 93.
>Rd7 Bc6 94. Rc7 Bg2+ 95. Ke1 Kd4 96. Ra7 Bd5 97. Ra3 Rg2 98. Kf1 Rh2 99.
>Ke1 Rb2 100. Kf1 Bc6 101. Ra1 Bb5+ 102. Kg1 Ke3 103. Ra3+ Ke4 104. Rc3 Ra2
>105. Rb3 Bc6 106. Rb6 Bd7 107. Rb1 Ke5 108. Re1+ Kf6 109. Rf1 Bb5 110. Rf4
>Ke5 111. Rf2 Ra1+ 112. Kg2 Bc6+ 113. Kh3 Bd5 114. Kh4 Ra4+ 115. Kh3 Rd4
>116. Rf1 Kf6 117. Rf4 Be4 118. Kh4 Ke5 119. Kg5 Rd8 120. Kh4 Rc8 121. Kh3
>Bd5 122. Rb4 Rh8+ 123. Rh4 Ra8 124. Rb4 Bc6 125. Rc4 Rh8+ 126. Rh4 Rb8 127.
>Rh7 Rb1 128. Re7+ Kf6 129. Re2 Rb7 130. Kh2 Kg5
>{Draw by fifty-move rule} 1/2-1/2
>
> Rybka had chances to swap rooks, with a trivially won endgame of KBP vs KP, and
>didn't want to.
>
> Advice: if you play against Rybka, look for an endgame :)
>
>
>   Telmo

Hi Telmo!

Whats timecontrol, whats hash, whats a Computer, whats GUI???

Here a litte analysis of Rybka 1.0 Beta 32-Bit (only one move) on a P3 600 MHz
(poor :-), with 64 MB hash and GUI8 (Fritz 8 exactly):

[D]8/8/2b2k2/5p2/8/6PK/4R3/1r6 b - - 0 1

Analysis by Rybka 1.0 Beta 32-bit:

129...Ld5 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.36)   Tiefe: 3   00:00:00
129...Ld5 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.26)   Tiefe: 4   00:00:00
129...Td1 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.43)   Tiefe: 4   00:00:00
129...Td1 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.41)   Tiefe: 5   00:00:00
129...Td1 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.58)   Tiefe: 6   00:00:00  2kN
129...Td1 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.50)   Tiefe: 7   00:00:00  3kN
129...Td1 130.g4 f4 131.g5+ Kf5 132.g6
  -+  (-5.36)   Tiefe: 8   00:00:00  3kN
129...Td1 130.g4 f4 131.g5+ Kf5 132.g6 f3
  -+  (-5.36)   Tiefe: 9   00:00:00  8kN
129...Td1 130.g4 f4 131.g5+ Kg7 132.Te7+ Kg8 133.Te2 f3
  -+  (-5.30)   Tiefe: 10   00:00:01  60kN
129...Th1+ 130.Th2 Tc1 131.g4 Kg5 132.Te2 Th1+ 133.Kg3 f4+ 134.Kf2
  -+  (-5.38)   Tiefe: 10   00:00:03  161kN
129...Th1+ 130.Th2 Txh2+ 131.Kxh2 Kg5 132.Kg1 Kg4 133.Kf2 Ld5 134.Ke3
  -+  (-10.13)   Tiefe: 11   00:00:09  531kN
129...Th1+ 130.Th2 Txh2+ 131.Kxh2 Kg5 132.Kg1 Kg4 133.Kf2 Ld5 134.Ke3
  -+  (-10.13)   Tiefe: 12   00:00:11  628kN
129...Th1+ 130.Th2 Txh2+ 131.Kxh2 Kg5 132.Kg1 Kg4 133.Kf2 Ld5 134.Ke3
  -+  (-10.19)   Tiefe: 13   00:00:13  795kN
129...Th1+ 130.Th2 Txh2+ 131.Kxh2 Kg5 132.Kg1 Kg4 133.Kf2 Ld5 134.Ke3
  -+  (-10.19)   Tiefe: 14   00:00:20  1297kN

(Nemeth, Privat 07.12.2005)

Poor?




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