Tridge Home of the Cambridge Tridge Club. Tridge is a three-player game related to Tresillo, l'Hombre and Ombre. http://www.tridge.net/

GrandPrix Tournaments Official home to The World Series of Hearts, The World Series of Spades and The World Series of Euchre. Also contains tips, tricks and strategies. http://www.grandprixtournaments.com