A computer is making a comeback in its chess tournament with the human world champion, Vladimir Kramnik from Russia.
Deep Fritz, the German-developed chess computer, produced a near-flawless game to outwit world champion Kramnik in just 34 moves and pull even in the eight-match series.
The 27-year-old Russian said after the match that the game could have gone either way and that Fritz had a great defence.
The computer, which can evaluate 3.5 million moves in a second, used a Queen's Indian defence, which gives the opponent a clear advantage but keeps its pieces - and especially its queen - on the board.
Kramnik said all was going well until he could not resist a piece sacrifice that could have made the game "the most beautiful of my career". But Fritz found a brilliant defence and took the point, he said.
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