Author: Jeremiah Penery
Date: 14:38:54 11/24/98
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On November 24, 1998 at 14:47:41, Bruce Moreland wrote: > >On November 24, 1998 at 09:43:59, Rémi Coulom wrote: > >>I tried this position in The Crazy Bishop. It found Rxc5 at depth=10 with an >>evaluation of -2.72 and shifted to Bf6 at depth=11 with an evaluation of -0.49, >>so TCB is wrong after one hour of thinking. I will tell you tomorrow if it found >>something better. Could you give a PV for this move ? Is it a mate ? Does Ferret >>get it and how fast ? > >I have a version with a form of singular extension and it find this in two and a >half minutes. The same version without singular extension finds it in nine and >a half hours. > >After 1. Rxc5, black has to play 1. ... Qxc5, and this is +3 or so for white. >It takes a while, like 25 minutes or so, to get to +3. Other times I've tried >this experiment it's come back at +2 or +3 in a few minutes, so I don't know why >it's taking so long all of a sudden. > >This is on a P2/300. > >bruce What happens when 1. ...Nxc5 is played? I didn't let it search very long, but it still seems as if black is up on material. If 1. ...Qxc5 is played, Crafty immediately shows a +3-4 score. With 1. ...Nxc5, the score is about -2.5 after a 15 minute search. Jeremiah
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