Author: James T. Walker
Date: 10:28:36 01/18/03
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On January 17, 2003 at 21:41:20, GuyHaworth wrote: > >"> 50 moves" ==> draw > >That's a very confident call given that you only (?) have DTM EGTs. How do you know that? Since you don't know you should refrain from assuming it. >May I ask what lines have been investigated to shorten the longest phase you >see? May I ask what is your line which wins without breaking the 50 move rule? > >The maximum phase-length is likely to be different with > >- DTC EGTs [ Shredder 4, KT EGTs ] >- DTZ EGTs [ KT's originals, now deceased ] >- DTR EGTs ['Depth by The (k-move) Rule, a GH special, not done yet :-( ] > >An <SR> strategy: >- minimaxing on DTR which optimises maximum phase-length regardless of 'k' > >minimises phase-length for the winner and maximises it for the loser > > >An <S'R> strategy: >- filtering moves to value-preserving moves giving a short enough phase 1 >- minimaxing on DTR which optimises maximum phase-length regardless of 'k' > >does the same thing, within the constraint of keeping the current phase within >bounds, or as near to bounds as possible. > >g So give me the winning line without breaking the 50 move rule please. I'm very interested! I'd venture a guess that most GM's could not stave off a win under 50 moves vs a computer with tablebases playing the white side of this but that's only a guess. Jim
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