Author: Vincent Diepeveen
Date: 10:32:52 07/27/03
Go up one level in this thread
On July 26, 2003 at 05:54:28, Bo Persson wrote: >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 What's all this postings Bo, if you're mated why not return mate? Way cheaper than expensive eval! >bop2@telia.com > > > >> >>Tony
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