Author: Robert Hyatt
Date: 11:20:55 12/22/00
Go up one level in this thread
On December 22, 2000 at 13:53:21, Ernst A. Heinz wrote: >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. Did you look at what happens if you play a4? Your kingside gets totally shredded, starting with Qxf7+...
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