Champion Garry Kasparov enters Game 7 of the world championship chess match Friday with a 3 1/2-2 1/2 point lead over challenger Anatoly Karpov after the two players agreed to a draw in Game 6.

On Thursday, Kasparov's delegation notified the match's chief arbiter he was offering a draw and Karpov's delegation accepted. Game 6 was adjourned Wednesday night after 41 moves.Kasparov's victory in the second game was worth a full point. Each player got one-half point for the draws in the other games.

The first player to reach 12 1/2 points in the 24-game series wins the championship. Kasparov, who dethroned Karpov in 1985, would retain his title if the match ended in a 12-12 tie.