Meet Rybka, The Chess Program Stripped Of Its Championship For Cheating


Photo: ChessNYC

A chess engine called Rybka has won the last four World Computer Chess Championships in a row. No small feat.But there’s trouble in paradise. It seems that Rybka cheated, according to Sebastian Anthony at ExtremeTech.

The problem isn’t with the programming, but with the construction. Vasik Rajlich, the creator of Rybka, plagiarised volumes of code from two pre-existing chess engines called Crafty and Fruit.

He’s been stripped of his titles and ordered to return all the prize money.

It turns out that the judges who made the decision were more bothered by the fact that he didn’t give credit to the other programmers than that he used their code.


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