Human–computer chess matches notebook. The computers won 8.5 to 3.5. The humans won one game: Karjakin, the youngest and lowest rated player, defeated Deep Junior. In November 2005, 3 former FIDE world chess champions—Alexander Khalifman, Ruslan Ponomariov and Rustam Kasimdzhanov—played against computers Hydra, Junior and Fritz. The computers won 8 to 4. The Ponomariov vs Fritz game on November 21, 2005 is the last known win by a human against a top performing computer under normal chess tournament conditions. In 2005, Hydra, a dedicated chess computer with custom hardware and sixty-four processors and also winner of the 14th IPCCC in 2005, crushed seventh-ranked
Computer chess an exhibition match. Deep Thought, however, was still considerably below World Championship Level, as the then reigning world champion Garry Kasparov demonstrated in two strong wins in 1989. It was not until a 1996 match with IBM's Deep Blue that Kasparov lost his first game to a computer at tournament time controls in Deep Blue - Kasparov, 1996, Game 1. This game was, in fact, the first time a reigning world champion had lost to a computer using regular time controls. However, Kasparov regrouped to win three and draw two of the remaining five games of the match, for a