Posted by YaLing CHen on January 31, 19102 at 08:52:56:
In Reply to: Duchamp's Chess Scores posted by Fiala Vlastimil on January 28, 19102 at 01:14:05:
check out:
"L'Opposition et les cases conjuguées sont réconciliées", a book by Duchamp and Vitaly Halberstadt on a rare endgame problem. Published by L'Echiquier, Edmond Lancel, Brussels, 1932.