Author: GuyHaworth
Date: 02:45:13 06/27/02
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http://chess.jaet.org/endings/ is an endgame table (EGT) server site (but the DTC/C.Wirth side of the offering has gone offline recently) http://chess.jaet.org/endings/docs/ points to d'loadable endgame data files, qv http://chess.jaet.org/endings/docs/Results_and_Maximals.xls ftp://ftp.cis.uab.edu/pub/hyatt/TB/ is the EGT/EGTB/TB side of Rob's site, including, I believe, Eugene Nalimov's generation code. The ICCA/ICGA Journal is probably best for papers on EGT generation and results: 1) two papers by Ken Thompson (1986 and 1996) 2) paper on Nalimov's work (ICGA_J, v23.3, Sept 2000) 3) Wu/Beal DTC/DTM fully retro algorithm (ICGA_J, v24.3, Sept 2001) Devising algorithms is harder than it looks, even before you get to 'e.p.' and 'castling options'. Creating efficient code that will do 6-man, even before you get to parallel algorithms, is also v hard: Eugene focuses on performance ... and good EGT-accessibility at runtime, courtesy of good 'clustering' of successor-positions. You will also need an independent verification algorithm to ensure that the results generated are self-consistent. The last word certainly has not been said on EGT-generation, so good luck! g
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