Author: Robert Hyatt
Date: 15:52:53 10/22/98
Go up one level in this thread
On October 22, 1998 at 16:52:16, Howard Exner wrote: >On October 22, 1998 at 13:03:26, Bruce Moreland wrote: > > >> >>8/5Bp1/4P3/6pP/1b1k1P2/5K2/8/8 w - - 0 1 >> >>The key is Kg4 >> >>Programs want to play fxg5, because this wins a pawn, prepares to get a passer, >>etc. > >Programs also might want to try first this position, by entering in the >moves 1. Kg4 Be7. Now let the program search to find the only winning move >Kf5! If they have trouble with that one then they would also struggle with >wading through the extra 2 plys from the original. this is only part of the problem... because the capture also "wins" until the search goes an incredible distance down the tree to see the repetition or 50 move rule... Then it becomes apparent that Kg4 is better.. >> >>I haven't seen detailed analysis, but I assume that this draws, because black >>gets back to h8 somehow, and then he can sacrifice his bishop for the e6 pawn >>eventually, and white is left with the wrong rook pawn. >> >>Does anybody figure this position out? If so, how did you do it? Does it >>require speculative knowledge that might lead to a sub-optimal result in other >>cases? >> >>bruce
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