Author: Jaime Benito de Valle Ruiz
Date: 05:53:39 12/21/03
I've never read any thread about this before, so forgive me if this is a recurring topic. Many people have noticed that the Principal Variation shown by Shredder is sometimes ridiculous, to the point of giving out its queen and a rook for nothing, or allowing a silly mate. If this is “really” what Shredder is thinking, then I’m truly surprised that it’s such a strong engine… considering that it chooses absurd lines that lead to self-destruction. My engine sometimes does something similar, and I’m sure it’s a bug, because the final static position of the PV does not match the score is showing anyway (I have other things to correct before the PV at the moment anyway), and neither does for Shredder. Is this a really a bug, or just a trick to conceal the way engine is doing the internal search? Because I don’t believe that those PVs are the ones Shredder is using for analysis, and still play decent chess. What do you think? Jaime Benito
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