Author: Uri Blass
Date: 05:15:26 05/20/02
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On May 20, 2002 at 07:45:25, Matthias Gemuh wrote: >> >>You can try the following position: >> >>r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - - 0 1 >> >>My program solved it at the same depth with and without null move pruning but >>null move helped it to find the move faster. >> >>It was not a very big improvement. >>There were also positions when my program needed more time but the total result >>is better. >> >>Uri > > >Slow HyLogic starts searching ply 8 after 2min 15sec without nullmove on Athlon >1.4. This time drops to 1min 25sec with nullmove. Best move is in both cases >"d4". So nullmove seems to help. Thanks. > >Matthias. Best move is Bg4. Maybe Hylogic needs more than 8 plies. Movei needed only 8 plies to find Bg4 with and without null move but it is possible that movei does better extensions than Hylogic in that position. Uri
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