Author: Joachim Rang
Date: 08:09:33 06/23/04
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On June 23, 2004 at 09:27:16, Fabien Letouzey wrote: >On June 23, 2004 at 09:24:25, Uri Blass wrote: > >>On June 23, 2004 at 09:19:17, Fabien Letouzey wrote: > >>>All checks + single replies. Remember I don't use fractional-ply extensions. > >>Does it mean that fruit's search may explode when there are a lot of checks that >>force a single reply and that Fruit may find mate in 30 at depth 1 when all the >>moves before the mate are checks that force a single reply? > >>Uri > >Yes and yes. >I think it is useful for perpetual checks. > >Fabien. but you aren't exploiting all possibilities of that if you don't tell Fruit that not all perpetuals lead to 3-fold-repetition: [D]2R5/p3k3/1p2qrpp/1P2Q3/8/4PP1P/5K2/8 w - - 0 1 here Fruit does not see, that Qb8 leads to a perpetual. regards Joachim
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