Detecting Chess Cheats Taxes Computers

First time accepted submitter jeffrlamb writes "Cheating in live chess matches — fueled by powerful computer programs that play better than people do, as well as sophisticated communication technologies — is becoming a big problem for world championship chess. Kenneth W. Regan is attempting to construct a mathematical proof to see if someone cheated; the trouble is that so many variables and outliers must be taken into account. Modeling and factoring human behavior in competition turns out to be very difficult."