I just looked at a couple of players who have played hundreds of games and clicked on Hypergammon in their profile. The game list includes the number of moves.
I know it's tempting to think that a technical solution is the only way, but sometimes good old brainpower and elbow grease does the trick.
(hide) If you are interested in a progress of a tournament you are playing, you can discuss it with your opponents at this tournament's discussion board. (HelenaTanein) (show all tips)