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Chess cheating

Posted By: Daniel Murphy
Date: Thursday, 13 September 2012, at 7:04 p.m.

In Response To: Chess cheating (Bob Koca)

Wired: "The number of continuations possible in a chess game is far beyond the capacity of human brain or machine to search - an average game of 40 moves implies a number of potential positions in the order of 10128, a number vastly larger than the number of atoms in the known universe (a mere 1080).

Grantland: An analysis of chess's complicatedness in Wired determined that the number of possible positions in an average 40-move game is 10 to the 128th power, a sum "vastly larger than the number of atoms in the known universe."

In "The Even More Complete Chess Addict" Mike Fox and Richard James estimated the number of legal positions on a chess board at 10*243. Victor Allis says that's too low; his estimate is 1050.

Wikipedia: "Two approximate calculations give the number of atoms in the observable universe to be close to 1080.

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