Patent ID: 8348748

Claim:
A method of betting on a game using a betting exchange system, the system permitting a plurality of users to submit, through terminals, bet requests relating to the game over a communications network to a server, wherein the game comprises a plurality of rounds, each round having a plurality of positions, the method comprising: displaying, on the terminals, the positions for each of the rounds to the users for a predetermined time, wherein all the positions are displayed on each terminal to thereby display each position to all the users; accepting bet requests for the positions during one or more of the rounds for which client records, maintained on the terminals and transmitted to the server through the communications network with the bet requests, of positions that are displayed on the terminals match a server record of positions that are displayed on the terminals and rejecting any bet requests in which there is not a match, the bet requests comprising bets backing a respective position of the positions from any of the users and bets laying a respective position of the positions from any of the users; providing a game transition between each round, the game transition affecting each of the positions; and evaluating each of the positions after one or more of the transitions to determine if a position is a winning position or a losing position.