Cheating in world chess championships is nothing new, study suggests Soviet players likely colluded to dominate matches during Cold War

By Gerry Everding

Oct. 9, 2006 — World Chess Championship matches now taking place in Kalmykia, Russia, were suspended late last month amid allegations that Russian chess master Vladimir Kramnik used frequent bathroom breaks to cheat in his match with Bulgarian opponent Veselin Topalov. When play resumed, new allegations surfaced charging that Kramnik’s moves seem suspiciously similar to those generated by a computer chess program.

While it’s doubtful that these allegations will be proven, new research from economists at Washington University in St. Louis offers strong evidence that Soviet chess masters very likely engaged in collusion to gain unfair advantage in world chess championships held from 1940 through 1964, a politically volatile period in which chess became a powerful pawn in the Cold War.

“We have shown that such collusion clearly benefited the Soviet players and led to performances against the competition in critical tournaments that were noticeably better than would have been predicted on the basis of past performances and on their relative ratings,” conclude study co-authors, John Nye, Ph.D., professor of economics, and Charles Moul, Ph.D., assistant professor of economics, both in Arts & Sciences at Washington University.

“The likelihood that a Soviet player would have won every single candidates tournament up to 1963 was less than one out of four under an assumption of no collusion, but was higher than three out of four when the possibility of draw collusion is factored in,” the co-authors wrote.

The study, presented at several academic meetings this summer, has sparked ongoing discussion on economics- and chess-related blog sites, such as Freakonomics, since it was posted on a popular site for economics working papers: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=905612.

The rest of this article can be read here.
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