Author: Bo Persson
Date: 02:54:28 07/26/03
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On July 26, 2003 at 05:09:46, Tony Werten wrote: >On July 25, 2003 at 02:41:22, Dann Corbit wrote: > >>Now, a qsearch ending in checkmate may or may not really be a checkmate. After >>all, we only tried certain moves and it could very well be that the checkmate >>could be avoided. >> >>So, the burning question is... >>What should we do when the qsearch ends in a mate? >>There are lots of alternatives, from the primitive "return a mate" to "send a >>danger signal up the tree and let the regular search deal with it" to >>"extending" to... >> >>What is your favorite choice and why? > >Depends. > >If you sarched all legal moves, you can return checkmate. > >If you are the side who gives checkmate, you can return checkmate. > >So only if you are being checkmated, and you did not try all legal moves, you >return eval. But how much do you trust the eval in a mate position? Bo Persson bop2@telia.com > >Tony
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