Author: Uri Blass
Date: 14:59:41 05/25/03
I tried to play the nunn2 match between version A of movei and version B of movei. I found that the new version lost. I tried to look at the first different move of the new version. I found that it was move 25 when old movei played f6 and new movei played f5 When I tried to play against movei under winboard I got f6 and not f5 inspite of the fact that movei got the same depthes and I guess that it searched the same number of nodes because with ponder off it almost always finish it's iterations and there was no special reason for it not to do it. I thought about another possibility that the engine-engine game caused the problem but unfortunately when I tried to play as a human against movei under Fritz after I found how to disable the book it got smaller depth in the first move and when I tried to play engine-engine game under winboard the previous version got bigger depth in one of the moves so I could not reproduce the game. I could reproduce the game under winboard when I play against the engine(ponder off) and the engine plays f6 with the same depths that it play f5 in the fritz interface. I also could reproduce the f5 under Fritz gui in engine-engine game. Uri
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