Author: Tord Romstad
Date: 10:30:38 12/01/05
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On December 01, 2005 at 13:06:14, Uri Blass wrote: >unlimited checks in the qsearch cannot work. >You may not have a limit of plies but with no limit the search is going to >explode. I simplified things a bit too much in my post. Of course I don't search *all* checks *everywhere*. Checks are restricted in numerous ways. I never search checks with negative SEE value, and I stop searching checks when the number of qsearch nodes since I left the main search exceeds 400. Beyond the first ply of the qsearch, I only search checks if the preceding qsearch plies are an alternating sequence of checks and single-reply-to-checks (similar to how Rebel does it). Tord
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