Author: Robert Hyatt
Date: 06:07:54 09/17/98
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On September 17, 1998 at 02:42:54, Erkki Malkamaki wrote: >On September 15, 1998 at 08:12:14, Robert Hyatt wrote: > >>On September 15, 1998 at 05:56:02, Erkki Malkamaki wrote: >> >>>Wcrafty 15.18 without endgame tables can´t win as white from the following >>>position: >>> >>>White: Kg6,Ne5,ph6 >>>Black: Ke7 >>> >>>Crafty moves Knight or King aimlessly and "forgets" the pawn at h6. >>>Versions < = 15.17 move the pawn almost immediately. >>> >>>I have tested this with P90,P200MMX and AMD K6-2 300 with same results. >> >> >>I assume that you have some sort of either (a) set up problem here, >>or (b) a hardware problem. I tried this and my version plays either >>Kg7 or h7 depending on the time limit. But it certainly doesn't >>"wander around aimlessly." >> >>Something is wrong on your machine, what is unknown, > >With 60/5 time limit I can survive 50 moves against Pentium 90 which searches >about 24000 Nps from this position. > >AMD k6-2 300 ( about 200 000 Nps )makes first a few knight moves then finds >correct moves. > >In analyze mode AMD k6-2 300 finds h7 in about one minute. > >Erkki >>however... something is wrong. I only get one of two possible moves with my 15.18 here under linux, egtb=0, Kg7 or h7, either of which wins instantly. When you say you can survive for 50 moves, that simply shows that something bad is wrong with your setup, although I don't have a clue what could cause this, unless you have some tablebase files that are corrupted. you might try egtb=0 and play it there...
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