A form of parlay betting in which we wager various combining team wagers. A 3-team robin is team 1 to 2, 1 to 3, and 2 to 3. 4-team robin is team 1 to 2, 1 to 3, 1 to 4, 2 to 3, 2 to 4, and 3 to 4. 5-team, etc.