Author: Jaime Benito de Valle Ruiz
Date: 09:57:00 06/16/04
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On June 16, 2004 at 12:48:27, George Tsavdaris wrote: >On June 16, 2004 at 12:12:17, William Penn wrote: > >>How long did you let it calculate? >>One second? >>An hour? >>In infinite analysis mode, or what? >>In complex positions, it may take Shredder 8 (or any engine) a long time to find >>the best move. >>-WP > > This is not a complex position. The capture for black wins a Knight for a Pawn >with no other danger for black. Also ALL other engines i tried find this and >evaluate it correctly in less than a second, except Shredder. Also Shredder >evaluates the position after hxg5 as a huge advantage for black immediately >(from 9th ply), while even at 15 ply it shows a small advantage for white before >the move. I agree: It's not a terribly complex position, and Shredder evaluates the position properly if you start the search after taking the knight (with hash and learning clear) in just a few plies. I'd think it's a pruning problem, but then... why is this knight capture Shredder's second choice? Jaime
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