Author: Uri Blass
Date: 01:04:40 10/06/04
Go up one level in this thread
On October 06, 2004 at 03:38:08, martin fierz wrote: >On October 05, 2004 at 23:42:12, Albert Silver wrote: > >>On October 05, 2004 at 19:59:48, Gordon Rattray wrote: >> >>>I've noticed that Shredder 8 and Deep Fritz 8 don't stick with e5, and switch to >>>Nf5. The last iteration of each search was allowed to complete in case e5 was >>>chosen again. >>> >>>cheers >>> >>>Gordon >>> >>>--------------------- >>> >>>Hardware: Dual Opteron 248, 1 GB for hash >>> >>>Analysis by Shredder 8: >>> >>>1.Bxb4 Rxb4 2.Rf4 >>> -+ (-1.77) Depth: 1/2 00:00:01 >>>1.Bxb4 Rb6 2.Nc2 Qb2 3.Bc3 >>> ยต (-1.08) Depth: 1/3 00:00:01 >>>1.Bxb4 Rb6 2.Nc2 Qb2 3.Bc3 >>> +- (2.20) Depth: 2/2 00:00:01 >> >>(...) >> >>>1.Nf5 Ra7 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb3 axb3 5.Bxb4 Rxb4 6.Nxd6 Ra2 7.Qf1 Rb2 >>>8.c5 Qxb1 9.e5 Rxh4 10.Qxb1 Rxb1# >>> -+ (-3.60) Depth: 21/60 00:58:29 3388524kN >> >>One must wonder about a line where the program suggests a move that leads to >>itself getting mated in its main line. Especially when the mate isn't forced. >>:-) >> >> Albert > >..and especially when it evaluates the mate as -3.60 :-) > >cheers > martin It only proves that chess programs has a lot to improve if even the best program evaluates mate as -3.60. Movei never evaluates mate as -3.60 but unfortunately it has other weaknesses. Uri
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