I would add that a repetitive attack SHOULDN'T end in a mutually agreed draw but in a loss for the repetitive attacker (for reasons given below). That would make an agreement even less probable. So I agree with AbigailII.
(hide) If you want to play a game with an opponent of a similar level, you can define a required BKR range for a new game invitation. Then nobody with a BKR outside this range will be able to see/accept it. (Katechka) (show all tips)