Author: Alessandro Scotti
Date: 15:49:27 09/03/04
I was trying to teach my engine this ending, and so far I haven't found a solution I really like. I more or less know how the ending should be played, and my attempts mainly focused on moving the lone king towards the "bishop corner" and the other king in a sort of opposition. While I was tuning the parameters, I noticed how slow is progress in some positions. In this one: [D]8/8/8/3k4/8/8/8/3BN2K w - - 0 1 GNUChess takes 44 moves to mate, I gave up even earlier as pieces seemed to move without a logic. So I have two questions now, the most important: how should this ending be played, exactly? Would it be useful (i.e. lead to a faster mate) to have say a two-stage code where we first gain the center of the board and then push the other king to the corner? And the second one: using the EGTB for this ending, would it be possible to analyze the paths that lead to mate and automatically generate good coefficients to help an algorithm (or actually almost piece-square) based solution?
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