Author: GuyHaworth
Date: 03:20:22 01/31/06
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http://chess.jaet.org/cgi-bin/dtx? is indeed _the_ multi-metric source on the web. You should not be surprised that different metrics lead to different minimaxing lines. "Different goal ==> different strategy", however correlated. Marc Bourzutschky and John Tamplin have found 5- and 6-man positions where none of DTC, DTM or DTZ will pick the move that retains the win under the 50-move rule. See http://www.is.reading.ac.uk/people/G.Haworth.htm?publications Tamplin/H "Chess Endgames: Data and Strategy" for some examples The later MB/JT/GH paper is 'in copyright' but I have some 6-man examples there. DTM-optimal chess was called 'perfect' chess as if someone had a bus to catch. In fact, no metric-based strategy will coincide with 'a human choice' all the time, although the unimplemented SR-SZR- strategy is expected to be quite close to what one would regard as 'human play'. g
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