Author: Uri Blass
Date: 04:23:38 08/13/02
My definition for a sacrifice or blunder is a move that lose material based on the depth that programs can see. The definition of losing material is based on the material values 1,3,3,5,9. For a clear definition we need to compare the evaluation of a program with mainly material evaluation before and after the move when we give it an hour to search. A program with mainly material evaluation is defined to be a program with positional scores that are always smaller than 0.5 pawns. The definition of losing material moves may be dependent on the hardware that is used and the quality of the search rules of the program that is used. I define wrong sacrifice to be a blunder(the decision if a sacrifice is wrong is a human decision). The question is if we expect to find majority of blunders or majority of sacrifices in interesting positions from computer games(positions when the game is already decided are not interesting). Uri
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