Rybka, the world's best chess engine, caught plagiarizing open-source software (extremetech.com)

If he plagiarized it, why is it better? This is sour grapes.

What's funny is that they made a huge deal about Firebird being a clone of Rybka...when it was likely just based off of Fruit.

http://www.chessvibes.com/reports/chess-engine-controversy/