Author: Robert Hyatt
Date: 05:10:06 11/12/98
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On November 12, 1998 at 05:05:33, CONNAT wrote: >> >>Is this not the move where it chose to go into "panic time" because the eval >>kept dropping iteration by iteration, and it changed to Be4 at the last minute? >> >>There is definitely a draw to be found... just let Junior search... for a day or >>so. You'll get 0.00 eventually. I did... And I assume they did as well to >>change to something else... > >Hello Robert, > >Please can you explain what you mean by "And I assume they did as well to >change to something else..." ? > >Do you mean that 'they' is DB's team ? For example an operator who could change >settings during games or operate something like : 'Play second best move' or >something else ? Or force DB to play a move by 'Play now' ? > >This wouldn't be 'Real chess' :) > >Eric. No, what I meant was they found that Qb6 dropped each iteration, until their program finally decided it was bad enough that it changed (by itself) to Be4 instead. When I ran this on Crafty last year, it seems to me (if I recall correctly) that this move dropped to 0.00 at iteration 20 or 21, and that Crafty then switched to Be4... I ran two copies of crafty simultaneously on different machines, one searching *only* Qb6, the other searching *only* Be4 to run this experiment... so I could compre the scores... Be4 was always just above zero, while Qb6 started off at around +1.x but slowly dropped... by the time it hit either 20 or 21 plies, Qb6 was 0.00 and Be4 was still slightly positive. So no I didn't mean the "humans" helped... I was referring to the program... Bob
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