Author: Terry McCracken
Date: 15:15:42 07/16/02
Go up one level in this thread
On July 16, 2002 at 15:03:48, Gian-Carlo Pascutto wrote: >From a game Sjeng-Hiarcs > >[D]8/8/6b1/1k6/p2K4/P7/1P6/8 b - - 0 71 > >My engine statically says this is a draw (bishop + wrong pawn). > >In reality, black mates in 23 or less. > >Makes my search go bonkers (and for some other programs as well) Interesting position, a rare case indeed! Thanks for posting it! Terry > >Sjeng 12.14 Maastricht - Hiarcs 7.32 >8/8/6b1/1k6/p2K4/P7/1P6/8 b - - 0 1 > >Analysis by Sjeng 12.14 Maastricht: > >71...Bf5 72.Kc3 > = (0.00) Depth: 2 00:00:00 >71...Bf5 72.Kc3 Bb1 > = (0.00) Depth: 3 00:00:00 >71...Bf5 72.Kc3 Bb1 > = (0.00) Depth: 3 00:00:00 >71...Bf5 72.Kc3 Bb1 73.Kd2 > = (0.00) Depth: 4 00:00:00 >71...Bf5 72.Kc3 Bb1 73.Kd2 > = (0.00) Depth: 4 00:00:00 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 > = (0.00) Depth: 5/7 00:00:00 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 > = (0.00) Depth: 5/7 00:00:00 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 74.Kc3 Bb1 75.Kd2 Bf5 76.Kc3 > = (0.00) Depth: 6/7 00:00:00 3kN, tb=32 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 74.Kc3 Bb1 75.Kd2 Bf5 76.Kc3 > = (0.00) Depth: 6/10 00:00:00 5kN, tb=43 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 74.Kc3 Bb1 75.Kd2 Bf5 76.Kc3 > = (0.00) Depth: 7/10 00:00:00 8kN, tb=68 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 74.Kc3 Bb1 75.Kd2 Bf5 76.Kc3 > = (0.00) Depth: 7/12 00:00:00 13kN, tb=102 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 74.Kc3 Bb1 75.Kd2 Bf5 76.Kc3 > = (0.00) Depth: 8/12 00:00:00 18kN, tb=147 >71...Bf5 72.Kc3 Bb1 73.Kd2 Bf5 74.Kc3 Bb1 75.Kd2 Bf5 76.Kc3 > = (0.00) Depth: 8/12 00:00:00 22kN, tb=181 >71...Bf5 72.Kd5 Bd3 73.Kd4 Bf5 74.Kd5 Bd3 75.Kd4 Bf5 > = (0.00) Depth: 9/12 00:00:00 36kN, tb=350 >71...Bf5 72.Kd5 Bd3 73.Kd4 Bf5 74.Kd5 Bd3 75.Kd4 Bf5 > = (0.00) Depth: 9/14 00:00:00 55kN, tb=549 >71...Bf5 72.Kd5 Bd3 73.Kd4 Bf5 74.Kd5 Bd3 75.Kd4 Bf5 > = (0.00) Depth: 10/14 00:00:00 60kN, tb=672 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 > = (-0.01) Depth: 10/19 00:00:00 79kN, tb=944 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 > = (-0.01) Depth: 10/19 00:00:00 88kN, tb=1103 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 > = (-0.01) Depth: 11/19 00:00:00 95kN, tb=1328 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 > = (-0.01) Depth: 11/19 00:00:00 125kN, tb=1910 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 76.Kxb3 > = (-0.01) Depth: 12/19 00:00:01 144kN, tb=2258 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 76.Kxb3 > = (-0.01) Depth: 12/19 00:00:01 173kN, tb=2727 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 76.Kxb3 > = (-0.01) Depth: 13/19 00:00:01 204kN, tb=3305 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 76.Kxb3 > = (-0.01) Depth: 13/22 00:00:01 251kN, tb=4163 >71...Bf7 > ³ (-0.51) Depth: 14/22 00:00:01 280kN, tb=4956 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 axb3 76.Kxb3 > = (-0.01) Depth: 14/22 00:00:01 291kN, tb=5383 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg6+ 74.Kc3 Bf5 75.b3 > = (-0.01) Depth: 14/23 00:00:01 337kN, tb=6708 >71...Bf7 > ³ (-0.51) Depth: 15/23 00:00:01 380kN, tb=7181 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg8 74.Kc3 Bc4 75.Kd2 Kd4 76.Kc1 Kd3 77.Kb1 Bb3 >78.Kc1 Bg8 79.b3 Bxb3 > -+ (-3.23) Depth: 15/23 00:00:01 477kN, tb=8122 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg8 74.Kc3 Bc4 75.Kd2 Kd4 76.Kc1 Kd3 77.Kb1 Bb3 >78.Kc1 Bg8 79.b3 Bxb3 > -+ (-3.23) Depth: 15/24 00:00:02 611kN, tb=9871 >71...Bf7 > -+ (-3.99) Depth: 16/24 00:00:02 618kN, tb=10161 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg8 74.Kc3 Bc4 75.Kc2 Kd4 76.Kb1 Kd3 77.Kc1 Bf7 >78.Kb1 Kd4 79.Kc1 Kc4 80.Kc2 Bg6+ > -+ (-3.23) Depth: 16/24 00:00:02 744kN, tb=11595 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bg8 74.Kc3 Bc4 75.Kc2 Kd4 76.Kb1 Kd3 77.Kc1 Bf7 >78.Kb1 Kd4 79.Kc1 > -+ (-3.23) Depth: 16/27 00:00:02 1078kN, tb=16039 >71...Bf7 > -+ (-3.99) Depth: 17/27 00:00:02 1101kN, tb=16279 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bb3 74.Kc3 Bc4 75.Kd2 Kd4 76.Kc1 Bd3 77.Kd2 Kc4 >78.Kd1 Kc5 79.b3 axb3 80.Kd2 Kc4 81.Kc1 > -+ (-5.03) Depth: 17/27 00:00:03 1428kN, tb=18212 >71...Bf7 72.Kc3 Kc5 73.Kd3 Bb3 74.Kc3 Bc4 75.Kd2 Kd4 76.Kc1 Bd3 77.Kd2 Kc4 >78.Kd1 Kc5 79.b3 axb3 80.Kd2 Kc4 81.Kc1 > -+ (-5.03) Depth: 17/34 00:00:03 1504kN, tb=20000 >71...Bf7 > -+ (-5.58) Depth: 18/34 00:00:03 1541kN, tb=20560 >71...Bf7 72.Kc3 Kc5 73.Kd3 Kd5 74.Kc3 Ke4 75.Kd2 Bb3 76.Ke2 Kd4 77.Kd2 Kc4 > -+ (-#26) Depth: 18/34 00:00:05 3958kN, tb=49329 >71...Bf7 72.Kc3 Kc5 73.Kd3 Kd5 74.Kc3 Ke4 75.Kd2 Bb3 76.Ke2 Kd4 77.Kd2 Kc4 > -+ (-#26) Depth: 18/38 00:00:05 4042kN, tb=52732 >71...Bf7 72.Kc3 Kc5 73.Kd3 Kd5 74.Kc3 Ke4 75.b3 axb3 > -+ (-#23) Depth: 19/38 00:00:05 4281kN, tb=78516 >71...Bf7 72.Kc3 Kc5 73.Kd3 Kd5 74.Kc3 Ke4 75.b3 axb3 > -+ (-#23) Depth: 19/38 00:00:06 4382kN, tb=82299 >71...Bf7 72.Kc3 Kc5 73.Kd3 Kd5 74.Kc3 Ke4 75.b3 axb3 > -+ (-#23) Depth: 20/38 00:00:06 4664kN, tb=108663 >71...Bf7 72.Kc3 Kc5 73.Kd3 Kd5 74.Kc3 Ke4 75.b3 axb3 > -+ (-#23) Depth: 20/38 00:00:06 4793kN, tb=113744 > >(Pascutto, Gent 16.07.2002) > >-- >GCP
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