Author: Frank Phillips
Date: 08:19:40 01/10/03
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On January 10, 2003 at 05:28:42, Uri Blass wrote: >On January 10, 2003 at 05:17:53, Frank Phillips wrote: > >>On January 09, 2003 at 21:36:57, Dieter Buerssner wrote: >> >>>On January 09, 2003 at 13:30:37, Frank Phillips wrote: >>> >>> >>>>[...] In which case has anyone got any good position for testing >>>>repetition detection. >>> >>> >>>From SOS-Yace IPCCC, 2001 >>> >>>[D] 8/p1rR4/4P3/5pp1/2kp4/P3PK2/8/8 b - - 1 44 >>> >>>I think it is a draw here. But difficult to find. After 44...Rc6 45. e7 Re6 46. >>>exd4 Kd3 47. d5 it is much easier. >>> >>>[D] 8/p2RP3/4r3/3P1pp1/8/P2k1K2/8/8 b - - 0 47 >>> >>>The various positions in between might be interesting to test. >>> >>>Regards, >>>Dieter >> >> >>I get no indication of a draw even in the second (easy) position. I tried >>messing with extensions and the fifty move counter (changing it to a much >>smaller number), but still no joy..... >> >>Is this a draw by three fold repetition? (There are quite a few pawn moves.). >> >>Frank > >It is a simple perpetual check after Re3+ and Kf2. >I have no problem to see it and the same for my engine. > >Uri Can you print the pv from your engine, so I can get some indication of where mine is going wrong. Frank
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