Author: Dieter Buerssner
Date: 19:01:03 05/22/01
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On May 22, 2001 at 21:10:59, Frank Quisinsky wrote: >2 interesting positions from Leiden: > >Leiden: Yace - Patzer >3r1r1k/ppp1q1pp/4p3/2P1Pp2/3Pp3/PQ3bP1/1P2NP1P/3RR1K1 b - - > >Patzer won the game with a very strong attack move. I agree, that Patzer played this game extremely well. Here it moved f4. I think, after this move, this is a forced win. I tried many variations, to come to this conclusion. I believe, the game was lost for Yace even earlier, although I am not sure yet, what the decisive mistake was. Anyway, I think Patzer played extremely well in this game, and Yace was very naive. It toatall underestimated the danger of the bishop on f3. Also I think, this position can be a real problem for engines, that use nullmove. There are many mate threats, but they are introduced by more or less silent moves. This is not a total failure of nullmove using engines, but it can make them use much more depth, than one would assume, to see the real threat. I already made quite a few changes to Yace, that all were inspired by this game. I really would be interested in the scores, that Patzer showed in this move. Perhaps you can sen me those in email. My congratulation goes to Roland. This really was the fastest defeat of Yace in any game at a long time control. Regards, Dieter P.S. On my computer, Yace finds f4 in one minute.
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