Author: Rafael Andrist
Date: 01:35:42 10/28/01
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On October 27, 2001 at 15:53:12, Koundinya Veluri wrote: >[D]7n/7P/8/8/Q7/2qN4/7K/1k6 w - - 0 1 > >Hi, > >I noticed that from this position, Crafty (along with several other programs, >mine included), doesn't see the very simple win 1. Qb4+! by eval. By that I >mean, given enough time, it will find that move once it searches far enough to >see the promotion, but it doesn't recognize that trading queens here is a good >idea. Just to see if it would win in a blitz match without TB's, I set up a >blitz 40/5 game starting from this position, Crafty vs Yace (Yace sees that move >immediately by eval). The game ended in a draw!! I don't know if it missed any >other chances to win, but the first move definitely should have been Qb4+ I >think. It's the simplest win. Wilhelm prefers clearly Qb1+ because the value of the passer is much higher without queens. But indeed the position is drawn after 1.Qb1+ Kc2 2.Qxc3? Kxc3, so you first have to find that only 2.Se1+ saves the win, which may be difficult without TB's. Rafael B. Andrist
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