Author: Uri Blass
Date: 06:44:41 09/28/00
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On September 28, 2000 at 07:15:45, Vincent Lejeune wrote: >I would suggest a new type of "swindle mode" : the method is based on 1) make >the right move difficult to find for a human and 2) play quickly to put pressure >on human > >Here's the Idea : if an endgame is a tablebase draw, select all the drawing >moves and explore them only in tablebase to measure where the human will have >the hardest work to do : calculate, for all this drawing moves, with iterative >deepening, the worst ratio (number of drawing moves for human divide by number >of possible moves for human) for the human in the tree, because a narrower path >is difficult to follow (see the game Deep Thought-Alex Fishbein post some days >ago: where human had only one drawing move he didn't find it). The depth still >to be dertimined may be 5 plies, may be 10 or simply play right after the >human's move to put maximum pressure. > >This method exploit the main point of tablebase eg : the precision allied with >the speed; where the human brain get kill by machine. > >I hope that Bob will test this algorithm for Crafty , I'm confident in it :) > >If I was not enough clear please tell me... > >Best regards >Vincent Lejeune I do not understand Here is a possible position KRB vs KR. [D]8/7R/2k2K2/5B2/8/8/8/2r5 w - - 0 1 After Rc7+ black has exactly one drawing move out of 5. Do you suggest Crafty to play Rc7+ because the ratio is probably the best with this move or do you suggest to search deeper in order to calculate the best ratio that you can force in 5 plies assuming the opponent play good moves? Uri
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