Author: Bruce Moreland
Date: 00:05:20 09/11/01
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On September 10, 2001 at 22:30:30, K. Burcham wrote: > [D] 4r3/8/2p2PPk/1p1r4/pP2p1R1/P1B5/2P2K2/8 b - - > > >after the above position deep blue blundered with 44. ...Rd1. >there was an immediate jump of 4 points with this move. >not sure if this was a move mistake, slip, not sure. >but with 44. ...g8 or 44. ...f5+ black is still 2.5 down > with a losing position. i played this out with tiger 14 > and ended with this position. mate in 9 with the f and g pawns. It is "blunders" that might provide us with insight. If a computer gives a knight in a manner that can be seen in a 2-ply search, it should indicate that moves that appeared better also lost a knight, or perhaps more. So it's possible that these other moves (Rg8, Rf5+) are refuted pretty deeply. I have a hard time believing that DB just threw away material for no reason. bruce
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