Author: Ernst A. Heinz
Date: 10:53:21 12/22/00
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Hi Uri, >On December 22, 2000 at 12:56:43, Ernst A. Heinz wrote: > >>>[d]2r1k2r/5pp1/4p3/ppqpP3/4bQPP/1B6/PPP2R1R/2K5 b k - >>> >>>a4 ! is very strong (1...a4 2.Qf7 Kd8 3. Qxg7 Qe3+ -+) but Tiger (2 versions) >>>doesn't see this move >>> >>>How do perform other engines here ? >> >>"DarkThought" (http://supertech.lcs.mit.edu/~heinz/dt/) locks >>onto a4 with a positive score of +1.3 in iteration #10 after >>less than 20 sec. >> >>=Ernst= > >What is the score of Dark thought after 0-0 instead of a4? >Crafty17.13 is very happy with 0-0(1.45 pawns for black at iteration 14) >Crafty does not like a4 at iteration 14. "DarkThought" prefers 0-0 until iteration #10 where it gets a fail-low on it and scores it only as +0.39. White's attack on the King side with Pawns storming forward fast simply seems too dangerous for "DarkThought" to like it. Actually, "DarkThought" just got another fail-high on a4 in iteration #14 with an unresolved score >= +1.62. So, the score of a4 seems to increase the deeper "DarkThought" looks into it. =Ernst= to like the castling move.
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