I agree with both of Grenv's points. Claiming victory when unable to be beaten wouold certainly have sped up his own "Grenv's Backgammon Challenge". But implementing the doubling cube would achieve the same result, and make a 5-point or 9-point match a really attractive option.
(hide) If you want to find an opponent with similar playing skills to your own look in the Ratings page of the type of game you want and find a player with a similar BKR. (pauloaguia) (show all tips)