If there were something unclear, or ask me about the situation. Theoretical % = 1 / (1 /” odds. How about the fact that their "promotions" for players have become super shit?? This is one of the Casino promotions I keep getting over and. I want to share my experience as a player at Leo Vegas for about two years. . The theoretical payback to a player on a bet offer with 3 outcomes a, b and c can be calculated as follows. leovegas casino review. In our review, we've considered the casino's player complaints, estimated revenues, license, games genuineness, customer support quality, fairness of terms and.