Author: Rafael Andrist
Date: 11:54:18 01/02/02
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On January 02, 2002 at 14:46:30, Dann Corbit wrote: >On January 02, 2002 at 14:24:04, Hansjoerg wrote: > >>In the following position Junior 7 plays as black Ba5 (eval 0.00). >>and is mated in 3 moves. The evaluation stays at 0.00 until the mate. >> >>6k1/8/2N1N1K1/8/8/8/8/4b3 b - - 0 77 > >That is a strange one. With tablebase files, it's a simple lookup: > >Crafty v18.12g > >White(1): epdpfga bh4.epd bh4.out >PFGA: EPD record: 1 >end-game phase > clearing hash tables > time surplus 0.00 time limit 30.00 (3:30) > nss depth time score variation (1) > 2 0.00 Mat03 1. ... Bd2 <HT> > 2 0.01 0.01 1. ... Bh4 <HT> > time=0.01 cpu=100% mat=3 n=54 fh=100% nps=10k > ext-> chk=0 cap=0 pp=0 1rep=0 mate=0 > predicted=0 nodes=54 evals=1 > endgame tablebase-> probes done=8 successful=8 The position is drawn, but the side to move is half point critical. It's basically the same problem as in KNN-KP but it happens seldom with a piece. Rafael B. Andrist
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