Author: F. Huber
Date: 13:19:24 04/16/05
Go up one level in this thread
On April 16, 2005 at 16:11:13, John Merlino wrote: >On April 16, 2005 at 15:48:43, F. Huber wrote: > >>On April 16, 2005 at 15:02:50, Mike Byrne wrote: >> >>>while searching for info on Ruffian - found this old problem that Ruffian 1.0.1 >>>solved very quickly >>> >>>Crafty 19.20 >>>Dual Opterons >>> >>>White(1): [d]8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - - 0 1 >> >>The fastest ´brute force´ mate for ChestUCI in my collection so far! :-) >> >>ChestUCI Ver.4.1: >>CPU: Celeron 400MHz >>FEN: 8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - - >>Search for Mate in -13 ... (Hash=64MB) >>Search completed ... (Time=51.24s) >>Mate in -13 found ! (00:51) >>Pa6-a5 --> 1.Ke2 c4 2.Kf1 c3 3.Kg1 c2 4.Kh2 c1Q 5.g3# >>Pb6-b5 --> 1.Ke2 c4 2.Kf1 c3 3.Kg1 c2 4.Kh2 c1Q 5.g3# >>2 Solutions (Mate in -5) >>Pc5-c4 --> 1.Ke2 cxd3+ 2.Kxd3 b5 3.Ke2 d3+ 4.Kxd3 d4 5.Ke2 d3+ 6.Kxd3 b4 7.Ke2 >>b3 8.Kf1 b2 9.Kg1 b1Q+ 10.Kh2 Qg1+ 11.Kxg1 a5 12.Kh2 a4 13.g3# >>1 Solution (Mate in -13) >> >>Regards, >>Franz. > >An interesting test. In the CM GUI, you can't search for a brute force mate for >the side that is NOT on the move, so first I forced 1...c4. Yes, I know it's >cheating.... :-) > >It then took CM9_R1 0:12 to find the Mate in 13 in brute force mode. > >jm WOW, interesting news: John Merlino is _also_ cheating! :-))) Regards, Franz.
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