Author: Tony Werten
Date: 10:36:45 11/13/01
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On November 13, 2001 at 09:57:20, Jon Dart wrote: >This occurred in a testgame, Yace vs. Arasan: > >[D] 8/4kp2/4p3/p2pP2n/Pp2nPp1/1P2P1P1/2K1N3/4B3 b - - > >Yace played f6! and won. The current released version of Arasan (5.4) takes a >long time to find this. My latest development build takes about 25 seconds on an >Athlon 1.3GHz. Crafty 18.10, however, selects it instantly and sticks to it. > >I haven't had time to analyze this yet. Is there some obvious piece of knowledge >that makes the solution easy for some programs, hard for others? XiniX needs 81 sec for f6 on AMD333. But that with some ineffecient experimental code reducing speed to 1/3. At ply 15 programs should see a big material advantage. Before that there are only positional reasons. Tony > >--Jon
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