The three most popular forms of contract bridge are rubber, duplicate and . The rules of the game still require that if a player can follow suit, the player must. Basic rules of Contract Bridge - rubber, duplicate and other variations - plus a listing of Bridge resources on the web. Types of Bridge · Rubber Bridge · Duplicate Bridge · Chicago. Learn to play the world's greatest game! These lessons are designed for players with little or no previous knowledge of bridge. Learn the basics, and start.