Author: Jeff GAZET
Date: 13:20:12 06/25/04
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>>in the search function, when i've got a corresponding hash entry for the current >>position, i look as the hash move. And this move is not valid for the current >>position (i.e. there is no piece on the from square), how is it possible as >>current hash and the hash in the table are the same ? >Hi Jeff, >Because the hash key, even when 64-bit long, does not uniquely represent >reachable chess positions. Although *very* unlikely, two different positions >can share the same hash key. Hi Fabien, ok, thanks. I'm going to track this. >However in practice if you encounter any illegal moves during the search, it >usually indicates a bug somewhere else. >Fabien. No i do not. Is your email *@hotmail ok ? i sent you a mail.
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