Author: Robert Hyatt
Date: 15:46:33 09/06/02
Go up one level in this thread
On September 06, 2002 at 16:26:35, Dann Corbit wrote: >On September 06, 2002 at 16:10:56, Robert Hyatt wrote: >[snip] >>>>[D]7k/pp3p1p/1np5/5N2/1P2P1NR/7P/3r2PK/2r5 b - - 0 50 >[snip] >>I don't see this as a "pattern" problem. It looks like you need to check >>two things: >> >>(1) your search extensions. IE are you extending on checks at least? and >>a whole ply? >> >>(2) are you sure your checkmate detection is working? Allowing a short mate >>with a 10 ply search suggests you are overlooking something. The question is, >>what? and why? >> >>Are you doing any odd stuff like futility pruning, razoring, null-move, etc? > >What about king safety? Three big boys in the box ought to cause some >consternation. Possibly, yes. But this particular "problem" looks more like search than evaluation. It is a pretty easy mate to find if you let that knight get to f6...
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