"Garry Kasparov stretched his lead over Anatoly Karpov to 3-1 Wednesday on the second day of an exhibition chess match commemorating the 25th anniversary of their marathon first title bout.
Karpov, 58, won his first game of the unofficial tournament, which is being played in the eastern city of Valencia after Kasparov abandoned the game. Kasparov, 46, rebounded to win the second game as Karpov ran out of time.
On Tuesday, Kasparov won the first two semi-rapid games as Karpov struggled to manage his time.
...The two men waged one of the sporting world's greatest rivalries when between 1984 and 1990 they met five times for the world championship and pretty much drew even: Kasparov won 21 games, Karpov took 19 and they drew 104 times.
The first title bout started in Sept. 1984 in Moscow and lasted nearly five months before it was halted with no winner declared on the grounds that both were exhausted.
Kasparov won a rematch in 1985 and captured his first world title, at age 22, becoming the world's youngest-ever champion.
Kasparov is considered by some to have been the best player in chess history. He retired from top-level professional play in 2005, after dominating the game for two decades."
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