Author: William H Rogers
Date: 07:14:06 02/06/02
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Tony Lets assume that there are an average of 38 moves per side, then with each deeper ply you are searching 38 times more moves, so you case of 6-5 being only 20% is way off the mark. In the example that I quated the amount of playing strength got smaller with deeper plys, but in the depts of 4 to 10 or so the gain was significant. As a matter of fact, most of the top programs experience only a very small amount of elo points with eash new release, but faster machines can account for almost the same improvement levels too. It is a very complex question, but facts are facts, ask anyone who has written a program to play chess. Bill
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