Author: Vincent Diepeveen
Date: 15:38:16 08/16/02
Go up one level in this thread
On August 15, 2002 at 08:34:10, Yuriy Lyapko wrote: You are a volunteer to make for Bob a book for crafty? If so he will welcome you with OPEN arms i bet! How many of the 1 million problems the automatic book of crafty has, will you correct within say 3 years of time? 1, this nc7?? move (which is a known pitfall by the way, we all know nc7 loses of course. I knew that when i was 15 already). 10? Or is it less than 10? Best regards, Vincent >>Dear George, >> >>I don't think that 6.Nc7+? is the refutation, because instead of 6...Kf8? black >>must play 6...Kd8! threatening both to capture the knight on c7 and to checkmate >>on f2. The only move for white is 7.Bg5+ and after 7...Qxg5 8. Nxa8 Qf6! white >>is doomed, eg. 9.f3 Qxb2 10.Nd2 Qc1-+ or 9.Qc1 Qxf2 10.Kd1 Be3 11.Nd2 b6-+ >> >>Greetings >>Alex > >I've never said that it is a refutation, but there is a thing I strongly >believe: >such short risky lines(with 3-4 pawns down by engine's point of view) should not >be present in the book... >At least for Crafty. It doesn't understand the position and I doubt that it will >find the right moves in a reasonable time(especially after this one:1.e4 e5 >2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bc5 6.Qe2(or Qf3) Nf6(last book move) >7.Nxc7). > >Best regards, >George
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.