Author: Robert Ericsson
Date: 08:35:12 12/02/98
This a missing post that seems to have disappeared since yesterday... /Robert Ericsson --------------------------------------- I had the following position in a correspondence chess game some three years ago. 5b1r/3bkp2/3ppp2/p6P/4PP2/1PNB4/1KP5/7R b - - White's last move was 1. Kb1-b2 (1. f5 is better) and after 1. - f5! 2. exf5 Bg7 3. fxe6 fxe6 4. Be2 Rc8 5. Rh3 Rxc3! 6. Rxc3 Bd4! black won easily within 10-15 more moves. I have tested this position on both Hiarcs 6 and Rebel 9 and they seem to understand nothing about this position. They don't find 1. - f5 because they obviously don't see the deadly pin long the diagonal. And even after 6. - Bd4 it will take a long time for them to realize that white is actually lost. My questions are: when (at which PLY) do chess engines realize that: a) 1. Kb2-b2 is bad due to the reply 1. - f5! b) white is lost after 6. - Bd4 Robert Ericsson ----------------------------------------
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