Author: Tord Romstad
Date: 04:55:16 04/22/98
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On April 21, 1998 at 13:01:08, Christophe Theron wrote: >I did not try your position yet. Anyway I'll do it. > >But before that, I want to mention something I noticed with Genius: it >is able to evaluate sometimes that a position is a mate in 1 without >having to do the mate move. It is the case in very obvious mate >situations were you can just mate by putting your queen near a trapped >king. If you find this situation, you know it is a mate in 1, and you >don't need to verify that by moving your queen and then try to move the >king out of check. > >I don't know if this mate detection algorithm has been improved in >recent versions, but it could be the explanation: Genius does not need >to see the 21th ply to find the mate, because it knows it is mate in 1 >just by looking at the position at the 19th or 20th ply. I don't think that is the explanation here. If I remember right, Genius 4 finds the mate at depth 3/15, Genius 5 at depth 4/16. I find it hard to believe that Genius can discover a mate five or six plies in advance... Tord
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