Author: blass uri
Date: 15:46:18 06/22/00
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Chessmaster does not do selective search in the first 6 plies. Chessmaster shows depth x/y and it probably means that the first x plies are searched by brute force without null move pruning and the next y-x plies are searched with null move pruning. I can tell chessmaster to show mr thinking lines(it shows every 1/2 second the line that chessmaster considers that is a possible legal moves of both sides) Chessmaster always shows at least x plies in the thinking lines but sometimes not more than x plies(the reason is probably the fact that when it does a null move search it cannot show more than x plies without showing illegal moves because null move is based on the idea of letting one side to move twice) There are also extensions that chessmaster does so the total depth in interesting lines is more than y. Selective search=10 means that y-x<=10 In endgames when chessmaster does not trust null move y-x is smaller and I often get y-x=5 even with selective search=10(with the default selective search I get often y-x=1 in endgames). In the middle game I get often the upper bound Uri
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