Author: Guido
Date: 00:43:10 09/04/04
Go up one level in this thread
On September 03, 2004 at 18:49:27, Alessandro Scotti wrote: >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? If the thing is of your interest, I wrote a free TB's generator by which you can have all the information you need. You can start from any position and play the ending having in any moment for White and Black the complete list of the legal moves with their exact result. You can write me to my e-mail address (in Italian if you are Italian as from your name) Ciao Guido
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