Game Courier supports many different games. Here is one picked at random: Colossus - 10x10 chess with 4 Rooks, 4 Knights, 4 Bishops, 10 Pawns, 1 Queen and 1 King!
Patzer Chess
Keys "s"=save "l"=load "b"=back once
Tony Paletta, 1980. If you can check, you must do so.