Author: Will Singleton
Date: 17:25:32 06/26/03
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On June 26, 2003 at 13:22:53, Uri Blass wrote: >On June 26, 2003 at 12:28:45, Will Singleton wrote: > >>That's a tough one, for a lot of engines. As an experiment, I added a little >>code to return a draw score if, during any search, there appears to be a >>"pseudo-repetition" (a series of pointless checks). >> >>The standard Amateur doesn't find e5 in 10 minutes. The experimental one finds >>it almost immediately. This is probably an anomaly, but it does work in some >>situations. I'll have to look into this some more. >> >>6 0 62 163450 Qg3 Kc6 Qc3 Kd6 Qg3 >>7 -28 153 406041 Qg3 Kc6 Qc3 Kb6 Qxd4 c5 Qxd5 Qxd5 exd5 Bg4 >>7 0 231 613431 e5 Kxe5 Qxg7 Ke6 Qf7 Ke5 Qf4 Ke6 Qf7 >>8 0 370 993897 e5 Kxe5 Qxg7 Ke6 Re1 >>9 0 807 2220633 e5 Kxe5 Qxg7 Ke6 Re1 Ne2 Rxe2 Kd6 Qg3 Kc6 Qc3 Kb6 Re6 Bxe6 Qe3 >>10 0 2247 6141050 e5 Kxe5 Qxg7 Ke6 Re1 Kd6 Qg3 Kc6 Qc3 Kb6 Re6 Nxe6 Qe3 >>11 0 7629 15942395 e5 Kxe5 Qxg7 Kd6 Qxd4 Qg8 Rf6 Be6 Qb4 Kd7 Qb5 Ke7 Rf7 Bxf7 >>Qb4 > >The target of white is to win and not to draw. >How much time does amateur needs to see a positive score? > >Uri The experimental rep code is probably unsound, so the score isn't right. I thought the idea might be of interest to others. Will
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