Author: Paulo Soares
Date: 14:41:35 02/02/00
Go up one level in this thread
On February 02, 2000 at 17:35:55, José de Jesús García Ruvalcaba wrote: >On February 02, 2000 at 15:34:32, Georg Langrath wrote: > >>On February 02, 2000 at 13:04:57, Rob Shultz wrote: >> >>>I ran the following position on Fritz 5.32 and even after 40 minutes it did not >>>see the win! I was using a PII 450. Junior 5.0 saw the win right away. Is >>>there some setting I could have changed to cause Fritz to miss this? >>> >>>[D]3n4/8/pppN4/k7/2P5/1K6/P7/8 w - - >>> >>>The win follows c5. >>> >>>Thanks, >>>Rob >> >>It is a bug. As it is a mate in 3 it should be found instantly. Neither newest >>Fritz 6, nor mate search program in Fritz find it. I have also tried earlier >>versions of Fritz with the same bad result. >> >>Georg > > This looks like a classic null-move problem to me: 1. c5 b5 2. a3 and if black >is in zugzwang, if black is allowed to pass at this point it is not a mate in >three. >José. Yes, if you put selectivity=0, Fritz5.32 found the mate. Paulo Soares, from Brazil
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