Author: Sune Fischer
Date: 09:05:00 10/04/02
Go up one level in this thread
On October 04, 2002 at 11:57:52, Terry Ripple wrote: >On October 04, 2002 at 11:29:24, Sune Fischer wrote: > >>On October 04, 2002 at 11:05:24, Terry Ripple wrote: >> >>>On October 04, 2002 at 10:34:43, Omid David wrote: >>> >>>>Just today we had a discussion regarding the importance of blockade draw >>>>detections http://www.talkchess.com/forums/1/message.html?255950 >>>> >>>>Had Fritz implemented such a scheme, it wouldn't have stepped into the drawing >>>>variation. >>>> >>>>My engine instantly announced draw based on its blocked-draw detection >>>>heuristic. While Fritz never realized the draw... >>>> >>>>Omid. >>>---------------- >>> >>>But you simply can't always make compter avoid blocked-draw positions or the >>>program might lose by simply trying to push too hard for a win when it should >>>accept the drawn position! >>> >>>In top level play if black tries for a draw it is very hard for white! >> >>True, and if Fritz really intended to play for the draw then it would have been >>okay. >>The problem is fritz didn't "understand" that it was going into a solid draw, >>its evaluation is simply broken. Maybe the result would have been the same >>regardless for this game, but obviously you should not expect to see a program >>as strong as fritz evaluate so poorly. Bad evaluation will cost you points in >>the long run, for sure. >> >>-S. >---------------- >I agree to that, but this position was talked about on Chess.FM by some of the >grandmasters who thought that the position was still hopeless and the same >outcome in the game was inevidible! Kramnik was thinking, if I manage to trade rooks, and get my king there and move the bishop there, or do this and that and give him a double pawn there, then it's draw! Even with 20 ply searches Fritz is not going to see this if it can't staticly detect the draw far out around the leafs. -S. >Terry >> >>>
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