Author: John Merlino
Date: 13:42:17 08/26/02
Go up one level in this thread
On August 26, 2002 at 16:19:51, John Merlino wrote: >On August 26, 2002 at 15:19:18, Eduard Nemeth wrote: > >>[D]8/4k3/1P3pP1/3b1P1p/7P/3K4/8/8 b - - 0 1 >> >>Black to move. What play your program? >> >>Thank you, >>Eduard > >Chessmaster 9000, on a PIII-600, prefers Bb7 after 10 seconds, and sticks with >it until just after 30 minutes, when it switches to Kd7. However, since it spent >quite a bit of time on the sacrifice Be6, I suspect that may be the answer you >are looking for, yes?: > >Time Depth Score Positions Moves >0:00 4/8 0.75 19605 1...Kf8 2.Kd4 Bb7 3.Kc5 Ke7 4.Kc4 > Kf8 5.Kd4 >0:00 4/8 0.00 26766 1...Kd6 2.Kd4 Bg8 3.Ke3 Kc6 4.Kd4 > Kd6 >0:00 5/9 0.00 34752 1...Kd6 2.Kd4 Bg8 3.Ke3 Kc6 4.Kd4 > Kd6 >0:00 6/10 0.00 53739 1...Kd6 2.Kd4 Bg8 3.b7 Kc7 4.Kc5 > Bb3 5.Kd4 Bg8 >0:01 6/10 -0.37 76842 1...Kd7 2.Kd4 Kd6 3.Kd3 Kc5 4.b7 > Bxb7 5.Ke3 Kd6 6.Kd4 Bd5 >0:01 7/11 0.00 108765 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Bf7 6.b8=Q+ Kxb8 7.Kd6 > Bc4 8.Ke7 >0:02 8/12 0.78 192288 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Kxb7 6.Kd6 Kb6 7.Ke7 > Kc5 8.Kxf6 Kd6 >0:03 9/13 0.78 322204 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Kxb7 6.Kd6 Kb6 7.Ke7 > Kc5 8.Kxf6 Kd6 >0:05 10/14 0.61 493129 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Kxb7 6.Kd6 Kb6 7.Ke7 > Kc5 8.Kxf6 Kd6 9.Kg6 >0:08 11/15 1.10 801062 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Kxb7 6.Kd6 Kb6 7.Ke7 > Kc7 8.Kxf6 Kd7 9.Kg6 Ke8 10.f6 >0:10 11/15 0.59 1027983 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.Kd4 Ba6 6.Kc3 Bb7 7.Kb4 Bc8 > 8.Kb5 Ke8 9.Kc6 Bxf5 >0:14 12/16 0.63 1448300 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.Kd4 Ba6 6.Kc3 Bb7 7.Kb2 Be4 > 8.Ka3 Bb7 9.Kb4 Kf8 >0:22 13/17 0.59 2203293 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.Kd4 Ba6 6.Kc3 Kf8 7.Kb4 Ke7 > 8.Ka5 Bc8 9.Kb5 Ke8 10.Kc6 Bxf5 >0:39 14/18 0.62 3871924 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.Kd4 Ba6 6.Kc3 Kf8 7.Kb4 Ke7 > 8.Kb3 Bb7 9.Ka4 Ke8 10.Kb4 Kf8 >1:18 15/19 0.60 7573448 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.Kd4 Ba6 6.Kc3 Kf8 7.Kb4 Ke7 > 8.Ka3 Bc8 9.Kb3 Kf8 10.Kc4 Kg8 > 11.Kd5 Bxf5 >2:45 16/20 0.80 15819958 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.g7 Kf7 6.Kd6 Kxg7 7.Ke7 Ba6 > 8.Ke6 Kf8 9.Kxf6 Bb7 10.Kg6 Bf3 > 11.f6 Kg8 12.f7+ Kf8 >6:59 17/21 0.60 39621032 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.g7 Kf7 6.Kd6 Kxg7 7.Ke7 Ba6 > 8.Ke6 Kf8 9.Kxf6 Bb7 10.Ke6 Ke8 > 11.f6 Be4 12.f7+ Kf8 13.Ke5 Bb7 >13:48 18/22 0.67 78551829 1...Bb7 2.Kd4 Bc8 3.Kd5 Bb7+ 4.Kc5 > Bc8 5.Kd4 Ba6 6.Kc3 Kf8 7.Kb4 Ke7 > 8.Kb3 Kf8 9.Kc3 Bc8 10.Kb4 Ke7 > 11.Kc5 Bb7 12.Kb5 Kf8 >30:41 18/22 0.46 170185924 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Kxb7 6.Kd6 Bh7 7.Kd7 > Bxf5+ 8.Ke7 Bh7 9.Kxf6 Kc6 10.Kg5 > Kd7 11.Kxh5 Ke8 12.Kh6 Bg8 13.Kg6 > Ke7 >32:04 19/23 0.46 178373509 1...Kd7 2.Kd4 Kd6 3.g7 Bg8 4.b7 > Kc7 5.Kc5 Kxb7 6.Kd6 Bh7 7.Kd7 > Bxf5+ 8.Ke7 Bh7 9.Kxf6 Kc6 10.Kg5 > Kd7 11.Kxh5 Ke8 12.Kh6 Bg8 13.Kg6 > Ke7 14.h5 > >jm Specifically speaking, after the above PV for Kd7 at depth 23, CM9000 has now been looking at Be6 for over 25 minutes. Most of the time has been spent on this line: 1...Be6 2.fxe6 f5 3.Kd4 f4 4.b7 f3 5.b8=Q f2 6.Kc5 f1=Q 7.Qd6+ Kf6 8.g7 Qf2+ It has spent close to fifteen minutes on that line alone.... I will post when it finishes this depth. jm
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.