Nakamura may have beaten Rybka, but even with Rybka at his side, he could not stand against a handicapped Stockfish (https://www.chess.com/news/stockfish-outlas

Nakamura may have beaten Rybka, but even with Rybka at his side, he could not stand against a handicapped Stockfish (https://www.chess.com/news/stockfish-outlasts-nakamura-3634 https://www.chess.com/news/stockfish-outlasts-nakamura-3634).