Author: Sune Larsson
Date: 13:54:46 08/26/02
Go up one level in this thread
On August 26, 2002 at 16:42:17, John Merlino wrote: >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 looks very strange... Just look at the position after 1.-Be6 2.fxe6 f5 3.g7... /S
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