I think that it's a vital moment now for Russian democracy to convince people that it's only our actions, our joined actions and protests that could force Kremlin to reconsider its plans to abolish presidential elections.

He was the first world champion to lose a match to a computer under standard time controls when he lost to Deep Blue in 1997. He held the official FIDE world title until 1993 when a dispute with FIDE led him to set up a rival organization the Professional Chess Association.