Posted by Bill Wilson on October 26, 19102 at 08:34:19:
In Reply to: duchamp and chess posted by alvin on October 09, 19102 at 12:32:42:
An e-mail correspondent has forwarded this reference:
Le Lionnais, François in conversation with Ralph Rumney, in:
Woods, Allan, The Map is the Not the Territory, Manchester UP, 2000
199 "What Halberstad and Duchamp perfected was the theory of the relationship between squares which have no apparent connection, Les Cases Conjugées, which was a sort of theory of the structure of the board. That is to say, beause the pawns are in a certain relationship one can perceive invisible connections between empty squares on the board which are apparently unrelated