Author: Andrew Dados
Date: 11:13:10 12/11/01
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On December 11, 2001 at 10:59:55, Will Singleton wrote: >[D]4k2r/1nrqbppp/p3b3/1pppP1NQ/8/1NP1B2P/PP3PP1/R4RK1 w k - 0 1 > >Most programs don't immediately see that Nxh7 puts the knight in a bad spot. >Can this problem be addressed by root analysis? > >(Beowulf might be doing something like that, since it never considers Nxh7.) > >Will consider this: [D]8/6pN/5p2/8/8/8/8/8 w - - The only square N can escape through is c8... So you may treat N on a/h 7th rank as vulnerable as bishop and just set your squaretable value for N to - 1 pawn there (or more). If search can see N will leave h7 safely - you are pawn up; if it stays there - it is probably in trouble. -Andrew-
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