Author: Uri Blass
Date: 23:45:37 10/30/00
This pgn is from the tournament of gandalf against Fritz6a
I analyzed this game and found that gandlaf probably missed a win.
The opening was identical to the opening in previous game that gandalf won and
gandalf was out of book only after move 45(I do not know the reason that Fritz
did not learn in the 1000 mhz games but in this case it was lucky to draw
inspite of the fact it did not learn).
I analyzed the game and found that gandalf probably missed a win by 83.Rb7+.
The plan of white is simply to prevent black bishop from going to the long
diagnol when the bishop gets to the long diagnol I do not see a way for white to
make progress because the white king cannot get into e5 and later f6.
Gandalf could not see it like other programs because it is not planning like all
the programs inspite of what thorsten say.
I guess that programs may see it by search(it may take a long time and I suspect
that it is not practical at tournament time control)
They may also see it by better evaluation but not in the way that I saw
it(planning)
I had no previous knowledge that the bishop should go for the long diagnol.
I found it by planning(gandalf like other programs is not planning)
Here is the game with some analysis of the line 83.Rb7+
[Event "Thunderbird 1 GHz, 120'/40+120'/40+60'"]
[Site "Trier"]
[Date "2000.10.17"]
[Round "2"]
[White "gandalf_432f"]
[Black "Fritz 6"]
[Result "1/2-1/2"]
[ECO "D43"]
[PlyCount "401"]
{W=12.8 ply; 563kN/s
B=18.0 ply; 769kN/s; 114.975 TBAs
} 1. d4 {
Weiss letzter Buchzug 0.00/1 0} 1... Nf6 {0} 2. c4 {0.00/1 0} 2... e6 {0} 3.
Nf3 {0.00/1 0} 3... d5 {0} 4. Nc3 {0.00/1 0} 4... c6 {0} 5. Bg5 {0.00/1 0} 5...
h6 {0} 6. Bxf6 {0.00/1 0} 6... Qxf6 {0} 7. e3 {0.00/1 0} 7... Nd7 {0} 8. Bd3 {
0.00/1 0} 8... dxc4 {0} 9. Bxc4 {0.00/1 0} 9... g6 {0} 10. O-O {0.00/1 0} 10...
Bg7 {0} 11. Rc1 {0.00/1 0} 11... O-O {0} 12. Re1 {0.00/1 0} 12... Rd8 {
Schwarz letzter Buchzug 0} 13. Qb3 {0.00/1 0} 13... b6 {0.09/14 337} 14. Bd3 {
(Qa3) 0.00/1 0} 14... Qe7 {0.03/14 211} 15. Qa4 {0.00/1 0} 15... Bb7 {
0.00/14 238} 16. Ba6 {0.00/1 0} 16... Bxa6 {0.00/14 402} 17. Qxa6 {0.00/1 0}
17... e5 {0.00/13 161} 18. Qb7 {(Qa4) 0.00/1 0} 18... Qe6 {0.06/13 175} 19.
Red1 {0.00/1 0} 19... e4 {0.00/14 463} 20. Nd2 {0.00/1 0} 20... f5 {0.12/13 257
} 21. Ne2 {(b4) 0.00/1 0} 21... c5 {0.03/13 170} 22. Nc4 {0.00/1 0} 22... Nf8 {
0.03/13 235} 23. d5 {(b3) 0.00/1 0} 23... Qd7 {0.00/15 272} 24. Qxd7 {0.00/1 0}
24... Rxd7 {-0.13/15 83} 25. Rd2 {(Rc2) 0.00/1 0} 25... Rad8 {0.00/17 593} 26.
Rcd1 {0.00/1 0} 26... b5 {-0.06/16 241} 27. Na5 {0.00/1 0} 27... a6 {
0.03/15 224} 28. Nc6 {0.00/1 0} 28... Rc8 {0.03/15 293} 29. b3 {0.00/1 0} 29...
Bf6 {0.03/14 180} 30. Rc1 {0.00/1 0} 30... Ne6 {-0.06/14 178} 31. Nf4 {0.00/1 0
} 31... Nxf4 {0.12/15 220} 32. exf4 {0.00/1 0} 32... Be7 {0.06/15 256} 33. Ne5
{0.00/1 0} 33... Rd6 {0.00/16 243} 34. Rdd1 {(Kf1) 0.00/1 0} 34... Kg7 {
-0.03/16 537} 35. a4 {(Kf1) 0.00/1 0} 35... Kf6 {-0.03/15 227} 36. h4 {
(Kf1) 0.00/1 0} 36... Rdd8 {-0.03/14 183} 37. Nc6 {0.00/1 0} 37... Re8 {
0.03/15 188} 38. axb5 {0.00/1 0} 38... axb5 {0.03/16 336} 39. b4 {0.00/1 0}
39... c4 {-0.09/16 248} 40. Na7 {(Ra1) 0.00/1 0} 40... Bxb4 {0.12/14 44} 41.
Nxc8 {0.00/1 0} 41... Rxc8 {-0.38/14 27} 42. d6 {(Ra1) 0.00/1 0} 42... Ba3 {
-0.56/16 146} 43. d7 {0.00/1 0} 43... Rd8 {-0.50/17 213} 44. Rc2 {0.00/1 0}
44... Ke6 {-0.09/17 410} 45. Rb1 {0.00/1 0} 45... b4 {-0.13/16 118} 46. Rxc4 {
0.86/15 314} 46... Rxd7 {-0.03/16 114} 47. Kf1 {0.86/15 432} 47... Rd6 {
(Rd2) 0.00/16 212} 48. Ke2 {0.99/15 526} 48... Rb6 {(Kd5) 0.34/16 324} 49. f3 {
1.18/15 429} 49... exf3+ {(Kd5) 0.31/16 136} 50. Kxf3 {1.08/15 288} 50... Rd6 {
(Kd5) 0.34/16 177} 51. Ke3 {(Rb3) 1.39/15 479} 51... Ke7 {(h5) 0.28/15 120} 52.
Rc7+ {1.37/15 412} 52... Kf6 {0.41/17 149} 53. g3 {(Rh7) 1.37/17 412} 53... h5
{0.37/17 123} 54. Rb3 {1.40/18 397} 54... Ke6 {0.47/18 150} 55. Rc8 {
(Rd3) 1.40/17 313} 55... Kd7 {0.37/17 130} 56. Rc5 {1.39/16 416} 56... Ke6 {
0.37/18 217} 57. Rb1 {(Rc4) 1.40/18 568} 57... Kf6 {(Kd7) 0.41/18 202} 58. Rc4
{(Rc8) 1.37/18 412} 58... Ke6 {0.37/18 115} 59. Rc8 {(Rb3) 1.37/17 298} 59...
Kd7 {(Kf6) 0.34/16 242} 60. Ra8 {1.42/15 675} 60... Ke6 {0.37/17 241} 61. Ra7 {
1.40/17 401} 61... Kf6 {0.37/18 250} 62. Ke2 {1.42/18 511} 62... Rc6 {
0.41/17 108} 63. Rb3 {1.37/17 373} 63... Ke6 {0.41/16 223} 64. Kd3 {
(Re3+) 1.48/17 398} 64... Kd5 {0.56/16 246} 65. Ra5+ {1.48/17 309} 65... Ke6 {
(Kd6) 0.66/18 171} 66. Re5+ {(Kd4) 1.48/17 288} 66... Kf7 {(Kd6) 0.50/17 144}
67. Rb5 {1.50/17 327} 67... Kf6 {(Ke6) 0.56/16 123} 68. Kd4 {1.58/15 362} 68...
Re6 {(Ke6) 0.59/16 336} 69. Kd5 {1.63/15 421} 69... Re7 {0.69/17 189} 70. Kc6 {
1.74/16 958} 70... Re6+ {(Kf7) 0.59/17 178} 71. Kc5 {1.80/16 365} 71... Re1 {
(Re2) 0.59/16 178} 72. Rb6+ {(Rb7) 1.68/14 411} 72... Kf7 {0.72/17 148} 73.
Rb7+ {1.90/15 346} 73... Re7 {0.66/19 114} 74. Rxe7+ {1.90/17 639} 74... Kxe7 {
0.56/20 33} 75. Kc4 {(Re3+) 1.96/17 321} 75... Kf7 {(Kf6) 0.66/22 157} 76. Rd3
{(Re3) 1.96/17 305} 76... Ke6 {0.94/21 150} 77. Rd2 {2.19/17 324} 77... Ke7 {
(Kf6) 0.62/22 232} 78. Rd5 {(Kb3) 2.20/17 274} 78... Kf6 {(Kf7) 0.91/22 504}
79. Rb5 {2.20/16 198} 79... Ke7 {0.94/20 90} 80. Rb6 {2.19/16 334} 80... Kf7 {
0.59/20 37} 81. Kd5 {(Kb3) 2.22/15 88} 81... Bc1 {2.03/20 91} 82. Rxb4 {
2.24/15 85} 82... Bd2 {1.97/20 112} 83. Rb1 {(Rb7+) 2.28/16 94} (83. Rb7+ Kf6 (
83... Kf8 84. Rc7 Ba5 85. Rc5 Bb4 {2.21/21 173} 86. Rc4 Be1 {2.80/25 802} 87.
Ke6 Bxg3 {2.80/22 24} 88. Kf6 Bxh4+ {2.80/21 16} 89. Kxg6 Bf2 {2.95/21 112} 90.
Kxh5 Kf7 {3.20/22 91} 91. Kg5) 84. Rb6+ Kf7 85. Rc6 Be1 {1.91/24 309} 86. Ke5
Kg7 {1.91/15 4} 87. Rc7+ Kh6 {1.92/18 15} 88. Kf6 Bxg3 {2.03/19 42} 89. Rg7
Bxf4 {2.13/21 58} 90. Rxg6+ Kh7 {2.13/3 4} 91. Kxf5 Bc7 {2.75/23 82} 92. Rg5
Bd8 {2.75/22 38} 93. Rxh5+ Kg7 {2.80/23 27} 94. Kg4) 83... Kf6 {2.00/19 74} 84.
Kc4 {(Ra1) 2.30/15 75} 84... Kf7 {2.00/19 97} 85. Kd3 {(Kd4) 2.30/15 74} 85...
Ba5 {1.97/19 81} 86. Ke3 {(Kd4) 2.30/15 56} 86... Bc3 {(Ke6) 1.91/20 108} 87.
Rb7+ {(Rb3) 2.28/15 77} 87... Ke6 {(Kf6) 1.97/19 71} 88. Rb6+ {(Rb3) 2.28/15 72
} 88... Kf7 {2.03/19 75} 89. Rb3 {(Rc6) 2.28/16 92} 89... Be1 {
(Ba5) 2.03/20 178} 90. Rb7+ {2.28/15 58} 90... Kf6 {1.94/20 130} 91. Rb6+ {
2.28/16 116} 91... Kf7 {(Kg7) 1.91/20 78} 92. Kf3 {2.28/16 68} 92... Ba5 {
(Kg7) 1.91/19 55} 93. Rd6 {2.28/16 66} 93... Bb4 {(Be1) 1.94/20 85} 94. Rc6 {
2.28/16 51} 94... Bd2 {(Kg7) 1.94/19 65} 95. Rc8 {(Rc7+) 2.28/16 78} 95... Ba5
{(Kf6) 1.87/19 47} 96. Ra8 {(Ke2) 2.28/16 68} 96... Bc3 {(Be1) 1.91/19 63} 97.
Ra7+ {2.27/15 60} 97... Ke6 {(Kf6) 1.97/19 63} 98. Ra6+ {(Ke3) 2.27/15 49}
98... Kf7 {1.94/19 51} 99. Ra3 {(Ke3) 2.27/15 54} 99... Bd4 {(Bb4) 1.94/20 68}
100. Ra4 {2.27/16 56} 100... Bc5 {(Bc3) 1.94/19 54} 101. Ra6 {(Ke2) 2.27/16 55}
101... Bd4 {(Kg7) 1.94/20 92} 102. Rd6 {(Rc6) 2.27/16 56} 102... Bc5 {
(Bc3) 1.94/19 54} 103. Rc6 {2.28/17 80} 103... Bd4 {(Bb4) 1.91/19 45} 104. Rc4
{(Ke2) 2.28/16 51} 104... Bb6 {1.91/19 40} 105. Rc3 {(Ke2) 2.27/16 50} 105...
Bd4 {(Kg7) 1.91/20 59} 106. Rc6 {(Rd3) 2.27/16 48} 106... Kg7 {1.94/18 44} 107.
Rc4 {2.27/16 52} 107... Bb6 {1.91/20 59} 108. Ke2 {(Rb4) 2.27/16 39} 108... Kf7
{1.94/18 35} 109. Rc8 {(Rb4) 2.30/16 46} 109... Ba5 {(Bg1) 1.97/19 68} 110. Kf3
{(Ra8) 2.28/15 44} 110... Bb6 {(Kg7) 1.94/18 35} 111. Ra8 {2.28/16 43} 111...
Bc5 {(Kg7) 1.94/19 50} 112. Ra5 {(Ke2) 2.28/16 42} 112... Bd4 {(Bg1) 1.94/19 30
} 113. Rd5 {2.28/15 42} 113... Bf6 {(Bc3) 1.94/19 53} 114. Rd7+ {
(Rd6) 2.28/15 44} 114... Ke6 {1.87/20 41} 115. Rb7 {(Rc7) 2.28/16 45} 115...
Bd4 {(Bc3) 1.94/19 49} 116. Rb4 {(Ke2) 2.27/16 43} 116... Bc5 {(Bg1) 1.94/19 40
} 117. Rc4 {2.27/16 30} 117... Kd5 {(Bg1) 1.97/19 39} 118. Rc3 {
(Rc2) 2.27/16 37} 118... Kc6 {(Be7) 1.94/18 24} 119. Rd3 {(Rc2) 2.30/15 29}
119... Be7 {(Bd6) 1.94/18 45} 120. Kg2 {2.30/15 36} 120... Kc7 {
(Bd6) 1.87/17 22} 121. Rd2 {2.30/15 35} 121... Bf6 {(Bd6) 1.94/18 31} 122. Kf3
{(Ra2) 2.30/15 37} 122... Kc6 {2.00/17 23} 123. Ra2 {(Ke3) 2.28/15 36} 123...
Kd6 {(Kd7) 1.94/18 26} 124. Ke3 {(Ra6+) 2.28/15 46} 124... Ke7 {1.97/18 26}
125. Ra7+ {(Kd3) 2.27/14 60} 125... Ke6 {(Kd6) 1.97/19 30} 126. Ra8 {
(Kd3) 1.55/14 57} 126... Bc3 {2.03/18 57} 127. Ra2 {1.55/13 28} 127... Bf6 {
(Kf6) 2.00/18 25} 128. Rc2 {(Ra6+) 0.76/14 52} 128... Kd7 {(Be7) 2.03/18 35}
129. Kf3 {(Kd3) 0.76/14 22} 129... Be7 {2.00/17 23} 130. g4 {(Ke2) 0.78/14 25}
130... hxg4+ {0.47/17 18} 131. Kg3 {0.76/14 23} 131... Bb4 {0.47/17 16} 132.
Re2 {0.73/13 21} 132... Kc6 {0.47/17 28} 133. Kg2 {0.76/13 20} 133... Kd5 {
0.44/17 23} 134. Re3 {0.76/13 25} 134... Kd6 {(Bd6) 0.53/16 20} 135. Re8 {
0.80/13 21} 135... Kd5 {0.47/17 23} 136. Rd8+ {(Re5+) 0.80/13 25} 136... Bd6 {
(Ke6) 0.47/17 16} 137. Kg3 {0.80/13 23} 137... Ke6 {0.44/18 21} 138. Rg8 {
0.72/13 23} 138... Kf7 {0.41/18 25} 139. Rc8 {(Ra8) 0.38/15 41} 139... Bb4 {
0.41/17 13} 140. Rc1 {0.52/14 36} 140... Ke6 {(Kg7) 0.37/17 18} 141. Kf2 {
(Rb1) 0.62/13 32} 141... Kd5 {0.41/16 16} 142. Rc8 {0.62/12 18} 142... Bc5+ {
(Ba3) 0.44/16 16} 143. Kg3 {0.68/14 23} 143... Bb4 {0.41/17 23} 144. Re8 {
(Rd8+) 0.64/13 19} 144... Bc3 {0.37/16 11} 145. Re2 {0.68/13 18} 145... Kc4 {
(Bb4) 0.31/17 16} 146. Re6 {(Re3) 0.68/13 14} 146... Kd5 {0.34/17 12} 147. Re8
{(Re7) 0.68/13 17} 147... Kc4 {(Kc5) 0.41/16 18} 148. Rc8+ {0.68/13 18} 148...
Kd3 {0.34/16 10} 149. Rg8 {0.72/13 17} 149... Be1+ {0.31/17 10} 150. Kg2 {
0.72/15 13} 150... Bxh4 {0.31/18 17} 151. Rxg6 {0.72/14 16} 151... Ke4 {
(Ke3) 0.34/18 14} 152. Rh6 {0.72/14 15} 152... Bd8 {0.28/18 14} 153. Kg3 {
0.68/14 18} 153... Kd5 {(Bc7) 0.31/18 9} 154. Rh7 {(Rh8) 0.73/13 15} 154... Bf6
{(Ba5) 0.37/17 8} 155. Rf7 {0.75/14 15} 155... Ke6 {0.37/17 9} 156. Rf8 {
0.75/14 13} 156... Bb2 {(Be7) 0.34/16 9} 157. Rd8 {0.75/13 13} 157... Bf6 {
(Ba3) 0.31/18 13} 158. Re8+ {(Ra8) 0.73/13 18} 158... Kd5 {0.31/18 11} 159. Rf8
{0.75/14 14} 159... Ke6 {0.28/17 7} 160. Kg2 {0.72/13 11} 160... Bg7 {
(Be7) 0.31/17 13} 161. Rd8 {(Re8+) 0.75/14 13} 161... Bf6 {0.28/16 6} 162. Rd3
{(Re8+) 0.78/14 12} 162... Bg7 {(Bh4) 0.37/17 7} 163. Kg3 {0.72/13 13} 163...
Bf6 {(Bb2) 0.34/17 6} 164. Rd2 {(Ra3) 0.72/13 11} 164... Ke7 {(Bc3) 0.34/17 11}
165. Ra2 {0.75/13 10} 165... Ke6 {(Kd6) 0.37/17 8} 166. Ra6+ {0.72/13 18}
166... Ke7 {(Kf7) 0.37/18 10} 167. Rc6 {0.73/13 11} 167... Kf7 {0.31/17 6} 168.
Rc7+ {(Kg2) 0.73/13 10} 168... Ke6 {0.28/17 6} 169. Rc5 {0.73/14 12} 169... Bd4
{(Bb2) 0.34/16 5} 170. Rc8 {(Rb5) 0.73/13 11} 170... Bf6 {(Bb2) 0.31/16 6} 171.
Rg8 {(Kf2) 0.72/13 10} 171... Kd5 {(Bc3) 0.31/16 7} 172. Re8 {0.67/13 11}
172... Bd4 {(Kd6) 0.28/15 6} 173. Re7 {0.67/13 10} 173... Bf6 {(Bb2) 0.19/17 8}
174. Re2 {(Rd7+) 0.67/13 12} 174... Kd6 {(Bd4) 0.19/17 7} 175. Rh2 {0.67/13 10}
175... Kd5 {0.22/16 4} 176. Rd2+ {0.67/13 12} 176... Ke4 {0.22/17 5} 177. Rc2 {
(Re2+) 0.67/13 9} 177... Bd4 {0.19/17 5} 178. Rc6 {(Re2+) 0.67/13 9} 178... Bg7
{(Kd5) 0.22/16 4} 179. Re6+ {(Rc7) 0.65/12 9} 179... Kd5 {0.22/17 4} 180. Re3 {
(Re1) 0.65/13 10} 180... Bf6 {(Bb2) 0.22/17 5} 181. Re1 {(Rb3) 0.67/13 9}
181... Bc3 {0.19/17 6} 182. Re2 {0.67/12 8} 182... Bf6 {0.25/16 4} 183. Rc2 {
(Re3) 0.67/13 9} 183... Bd4 {(Ke4) 0.22/17 6} 184. Rd2 {0.60/13 9} 184... Ke4 {
0.00/17 3} 185. Ra2 {0.64/12 8} 185... Be3 {(Kd5) 0.00/17 8} 186. Ra4+ {
0.64/11 7} 186... Bd4 {0.00/18 4} 187. Rc4 {(Ra8) 0.64/13 7} 187... Kd5 {
0.19/17 4} 188. Rc8 {(Rc7) 0.56/12 5} 188... Bf6 {0.19/16 3} 189. Rc1 {
(Ra8) 0.49/12 6} 189... Bg7 {(Bd4) 0.19/16 5} 190. Rd1+ {(Rc7) 0.56/12 6}
190... Bd4 {0.25/17 4} 191. Rd3 {0.56/13 6} 191... Ke4 {(Kc4) 0.22/17 3} 192.
Rb3 {0.62/13 8} 192... Bg7 {(Kd5) 0.22/16 4} 193. Rb4+ {(Rb7) 0.62/11 6} 193...
Bd4 {(Kd5) 0.19/17 3} 194. Ra4 {(Rb8) 0.64/12 5} 194... Kd5 {(Ke3) 0.00/17 4}
195. Ra5+ {(Ra6) 0.62/11 5} 195... Ke4 {0.00/17 3} 196. Ra8 {0.62/11 5} 196...
Bf6 {(Bc3) 0.19/16 3} 197. Rb8 {(Ra7) 0.00/12 7} 197... Kd5 {0.19/16 4} 198.
Re8 {(Rb6) 0.00/12 6} 198... Bd4 {0.00/18 2} 199. Rf8 {0.00/12 4} 199... Ke6 {
(Ke4) 0.34/15 3} 200. Rd8 {(Rg8) 0.00/17 5} 200... Bf6 {(Bb6) 0.00/17 2} 201.
Rg8 {Remis angenommen 0.00/64 3} 1/2-1/2
Uri
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