Author: George Tsavdaris
Date: 09:58:07 10/20/05
Go up one level in this thread
On October 20, 2005 at 11:46:34, Robert Hyatt wrote: > >The interesting stuff starts around move 65. White played d6 with an eval of >+3.20. Let your program search there to see what it likes. The longer you >search, the more the score should drop. > >If it doesn't follow the game another move and try again. Crafty's scores >looked like this: > >move 66: +3.15, 67: +2.41, 68: +1.59, 69: +.62, 70: 0.00, 71: -.39, 72: 0.00, >73: 0.00, 74: -1.33, 75: -2.76, 76: -2.75, 77: -12.0, 78: -13.66, etc. > Fruit 2.2: ------------------------------------------------------------ Move 65 after 20 seconds: (No selection of d6 at the first 4 moves, prefers Rc1) 1. +- (1.86): 65.Re1-c1 Ra3-a1 66.Rc1-b1 Ra8-d8 67.Rb5-b8 Ra1xb1 68.Rb8xb1 Qa4-a2 69.Rb1-b7 Qa2-a6 70.Rb7-e7 Kg8-f8 71.Re7-c7 Qa6-b6 2. +- (1.81): 65.Re1-b1 Ra3-a2 66.Kd3-e3 Qa4-a3 67.Rb5-b3 Qa3-a5 68.d5-d6 Ra8-d8 69.Rb3-b8 Rd8xb8 70.Rb1xb8+ Kg8-h7 71.Ke3-d3 Qa5-a4 3. +- (1.67): 65.Rb5-b7 Ra3-a2 66.Re1-c1 Ra8-f8 67.h4-h5 Qa4-a6 68.Rc1-b1 Qa6-a4 69.Kd3-e3 Qa4-a3 70.d5-d6 Qa3xc3+ 71.Qe4-d3 Qc3xd3+ 72.Ke3xd3 Ra2xg2 73.Rb7-a7 4. +- (1.43): 65.g2-g3 Ra8-e8 66.d5-d6 Ra3-a2 67.Kd3-e3 Re8-d8 68.Qe4-d5+ Kg8-h7 69.Ke3-f3 Qa4-c2 70.Kf3-g4 Qc2xc3 71.Re1-b1 Ra2-d2 ------------------------------------------------------------ After forcing 65.d6 after 20 seconds: 1. ± (0.83): 65...Ra8-d8 66.Qe4-d5+ Kg8-h7 67.Re1-c1 Ra3-a2 68.Rb5xc5 e5-e4+ 69.Qd5xe4 Qa4-a3 70.Qe4-e3 Rd8xd6+ 71.Rc5-d5 Ra2xg2 72.Rc1-g1 Qa3-a6 73.Rd5xd6 Qa6xd6+ 74.Kd3-e4 2. ± (1.13): 65...Ra3-a2 66.Kd3-e3 Qa4-a3 67.Qe4-d5+ Kg8-h7 68.Ke3-d3 Qa3-a4 69.Re1-c1 Ra2-f2 70.Qd5xc5 Qa4-a2 71.Qc5-e3 e5-e4+ 72.Kd3-d4 Rf2-d2+ 73.Kd4xe4 Qa2xc4+ 74.Ke4-f3 Rd2xd6 ------------------------------------------------------------ Move 66 after 20 seconds: (Prefers Ke3 instead of Rc1) 1. ± (1.02): 66.Kd3-e3 Ra8-d8 67.Qe4-d5+ Kg8-h7 68.Re1-e2 Ra2-a3 69.Rb5xc5 Ra3xc3+ 70.Ke3-f2 Qa4-d7 71.Rc5-c7 Qd7xf5+ 72.Kf2-g1 Rc3-d3 73.Qd5-f7 Rd3-d1+ 74.Kg1-h2 2. ± (0.77): 66.Re1-c1 Ra8-d8 67.Kd3-e3 Qa4-a3 68.Qe4-d5+ Kg8-h7 69.Rb5-b1 Qa3-a6 70.Rb1-b7 Qa6xd6 71.Rc1-d1 Qd6xd5 72.c4xd5 Ra2xg2 73.c3-c4 3. ³ (-0.32): 66.Qe4-d5+ Kg8-h7 67.Re1-c1 Ra2-f2 68.Kd3-e3 Qa4-a2 69.Qd5-d3 Rf2xg2 70.Rc1-f1 Ra8-d8 71.Rb5-b6 Rg2-h2 72.h4-h5 Rh2-h3+ 73.Rf1-f3 Rh3xh5 4. -+ (-4.99): 66.Rb5-b2 Ra2xb2 67.Kd3-e3 Qa4-a2 68.Ke3-f3 Ra8-a3 69.Kf3-g4 Rb2-d2 70.Re1-b1 Rd2xd6 71.Rb1-b8+ Kg8-h7 72.Rb8-b7 Ra3xc3 ------------------------------------------------------------ Move 67 after 20 seconds: (Prefers Ke3 instead of Rxc5 that considers as a mistake) 1. ± (0.91): 67.Kd3-e3 Qa4-a2 68.Qe4xa8+ Qa2xa8 69.Ke3xf2 Qa8-e4 70.Rb5-b8+ Kg8-h7 71.Rb8-b1 Qe4xh4+ 72.Kf2-g1 Qh4-f4 73.Rc1-f1 Qf4-d2 74.Rb1-d1 Qd2-e3+ 75.Rf1-f2 Qe3xc3 2. = (-0.24): 67.Rb5xc5 Qa4-a2 68.Qe4-e1 Ra8-d8 69.Rc5-a5 Rd8xd6+ 70.Kd3-e3 Rf2-f3+ 71.g2xf3 Qa2xa5 72.Ke3-f2 Qa5-a2+ 73.Kf2-g3 Qa2xc4 74.Qe1-e4 Qc4-b5 3. µ (-0.82): 67.d6-d7 Qa4-a2 68.Qe4-e1 Ra8-d8 69.Rb5-a5 Rd8xd7+ 70.Kd3-e3 Qa2-b2 71.Rc1-d1 Rd7xd1 72.Qe1xd1 Rf2xf5 73.Qd1-d5+ Kg8-h7 74.Qd5-d2 Qb2xd2+ 75.Ke3xd2 Rf5-f2+ 76.Kd2-e3 Rf2xg2 77.Ra5xc5 4. ³ (-0.65): 67.Qe4-d5+ Kg8-h7 68.Kd3-e3 Qa4-a2 69.Qd5-d3 Rf2xg2 70.Rc1-f1 Ra8-d8 71.Rb5-b6 Rg2-h2 72.h4-h5 Rh2xh5 73.Rf1-f3 Of cource, perhaps Crafty didn't have 20 seconds for each position available, that's why it made the possible mistakes.........
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