Author: Dann Corbit
Date: 12:27:22 11/18/03
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On November 18, 2003 at 11:39:20, Bas Hamstra wrote: >On November 18, 2003 at 10:51:44, Tony Werten wrote: > >>Couldn't resist. >> >>Tony > >Actually, in Leiden you said SEE costs you only a table lookup. My question is: >what about x-rays? It seems impossible to me to get the *real* see value with a >table lookup in practice. So how do you do it? I do the same thing, actually. You have an array that lists count of attacks by type for each square on the board. From this, you know if any square is "won, equal or lost" and by which side. You also know (for instance) if it is safe to put a pawn on a square but not a knight. Instantly. It's also very nice for move ordering.
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