Author: Steve Maughan
Date: 19:57:08 03/25/05
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Terry, >A tactical sacrifice leads to a gain in material and Nf5 does....a positional >sacrifice gives compensation for material, space and mobility, which will >eventually lead to material returned, etc. I'd say that S9 played the move without seeing the tactical compensation for material and only seeing a big space, mobility and king exposure advantage for white. Therefore I'd say it's a positional sacrifice - S9 did not see the tactical win when selecting Nf5 after 5 secs. Have you any examples of positions where computers have made positional sacrifices by your definition? Regards, Steve
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