Author: Gian-Carlo Pascutto
Date: 10:07:36 08/26/05
Go up one level in this thread
On August 26, 2005 at 12:46:47, Ed Schröder wrote: >On August 26, 2005 at 12:32:03, Gian-Carlo Pascutto wrote: > >>On August 26, 2005 at 12:24:05, Robert Hyatt wrote: >> >>>Maybe I don't understand the problem or "bug" I am supposed to have here??? >> >>Do you have a multipv mode? It would be good to see the evaluations of Rb1 and >>Qe2 from the root position, for increasing depths. >> >>It's easy to find Rc3 after Rb1 because you will generally be nullmoving for the >>other player. If you can't see it at the root you might decide at greater depth >>that Qe2 is not all that great and switch back to Rb1 instead. This is what >>happened in the game. >> >>Crafty thinks at low depth that Rxd3 wins for black (and hence won't play Rb1), >>but this is wrong (it's a draw). The variation looked like a bug, but I forgot >>that you don't handle checks in the qsearch at all... > >6 plies here to see the Rb1 loss, maybe Bob is right. Do you nullmove at the critical point here? That's what is critical. If white could legally nullmove in this position, he can probably survive. -- GCP
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.