A system bet 1xbet is a betting system that combines singular games in different ways to increase the chances of the bet slip winning. If there are 4 games, let's label them as A, B, C, D. the bettor can combine the games in these formats AB, AC, AD, BC, CD, CD. These are now 6 different sets of bets. If game A and B predictions are correct. That will mean that only the combination of AB will be the winning combination.