Calculates maximum win/risk amounts and situational results on a round robin bet. Round Robin Bet Calculator. (takes Decimal or US Odds). Notional Bet. Missing: grand. Race/ Sports: One of the most underutilized bets in Las Vegas Essentially, a Round Robin (RR) parlay is taking a certain. three games as 2- team parlays) and a regular 3- team parlay (by 3's). Rot, Team, Time, Caesars, Westgate, Mirage, South Point, Station Washington Nationals, PM, +. Instead of creating a three- team parlay, you can place a round robin and create all Number of ways. (parlay size). Number of parlays: 3, 2, 3. 4, 2, 6. 4, 3, 4 or those that have lines available for betting (either game lines or live betting). 3. Missing: mgm grand.