Author: pavel
Date: 19:52:35 12/22/01
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On December 22, 2001 at 20:31:44, Michael Fuhrmann wrote: >Here's a position from a game between Crafty (black) and Little Goliath (white). >Played on a PII 350, no tablebases. > >[D] 8/8/8/1P6/2P3r1/3K4/P6k/8 b - - 0 82 > >Crafty evaluated the position as negative for white, while Little Goliath, >correctly it seems, evaluates it as positive. White went on to win this. > >Is this a type of position that gives Crafty problems? maybe your procesor speed is an isue here? crafty analyis on pentium III 1ghz/512mb ram\ Mahamood,P - Crafty 18.12 8/8/8/1P6/2P3r1/3K4/P6k/8 b - - 0 1 Analysis by Crafty 18.12: 1...Rg2 -+ (-1.51) depth: 1/3 00:00:00 1...Rg2 2.a4 µ (-0.79) depth: 2/3 00:00:00 1...Rg3+ 2.Kd4 Rg2 -+ (-1.41) depth: 2/3 00:00:00 1...Rg3+ 2.Kd4 Ra3 3.b6 Rxa2 -+ (-1.46) depth: 3/6 00:00:00 1...Rg3+ 2.Kd4 Ra3 3.b6 Rxa2 -+ (-1.46) depth: 4/7 00:00:00 1...Rg3+ 2.Kd4 Rg2 3.a4 Ra2 4.b6 Rxa4 -+ (-1.46) depth: 5/9 00:00:00 1...Rg3+ 2.Kc2 Rg2+ 3.Kb3 Rg1 4.c5 Rb1+ 5.Kc4 Rb2 µ (-1.22) depth: 6/11 00:00:00 28kN 1...Rg2 2.c5 Rxa2 3.c6 Ra3+ 4.Kc4 Kg2 µ (-1.30) depth: 6/11 00:00:00 46kN 1...Rg2 2.c5 Rxa2 3.c6 Ra3+ 4.Kc4 Ra4+ 5.Kc5 Kg2 µ (-1.18) depth: 7/13 00:00:00 58kN 1...Rg3+ 2.Ke4 Rc3 3.Kd5 Rd3+ 4.Kc6 Rd4 5.c5 Rd2 µ (-1.25) depth: 7/13 00:00:00 87kN 1...Rg3+ 2.Ke4 Rg2 3.b6 Rxa2 4.c5 Rb2 5.Kd5 Kg2 µ (-1.32) depth: 8/15 00:00:00 180kN 1...Rg3+ 2.Kc2 Kh3 3.Kb2 Rg2+ 4.Kb3 Rg1 5.c5 Rb1+ 6.Kc4 Rc1+ 7.Kd5 Rc2 µ (-1.14) depth: 9/17 00:00:01 732kN 1...Rg3+ 2.Kc2 Kh3 3.Kb2 Rg2+ 4.Kb3 Rg1 5.c5 Rb1+ 6.Kc4 Ra1 7.c6 Rxa2 µ (-1.10) depth: 10/19 00:00:02 1230kN 1...Rg3+ 2.Kc2 Kh3 3.Kb2 Rg2+ 4.Kb3 Rg1 5.c5 Rb1+ 6.Kc4 Rc1+ 7.Kd5 Ra1 8.b6 Rxa2 µ (-0.91) depth: 11/21 00:00:04 2547kN 1...Rg3+ 2.Kd4 Ra3 3.c5 Ra4+ 4.Kd5 Rxa2 5.c6 Rd2+ 6.Kc5 Rc2+ 7.Kd6 Rd2+ 8.Ke7 Rc2 9.Kd6 = (0.00) depth: 12/23 00:00:18 12179kN 1...Rg3+ 2.Kd4 Rg4+ 3.Kd5 Rg5+ 4.Kd6 Rg6+ 5.Kd7 Rb6 6.Kc7 Rf6 7.b6 Rf7+ 8.Kd6 Rf6+ 9.Kc7 = (0.00) depth: 13/25 00:00:29 20676kN 1...Rg3+ 2.Kd4 Rg4+ 3.Kd5 Rg5+ 4.Kd6 Rg6+ 5.Kd7 Rb6 6.Kc7 Rf6 7.b6 Rf7+ 8.Kd6 Rf6+ 9.Kc7 = (0.00) depth: 14/28 00:00:43 31428kN (Mahamood, home 22.12.2001)
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