Different winning combination have different chances of coming out. 40,000:1 is a chance of getting a Royal Flush. The chance of getting Straight Flush is 10,000:1. Only one of 423 combinations can be a Four of a Kind. 86:1 is a chance of getting a Full House. The chance of getting Flush is 93:1. The chance of getting Straight is 85:1. 13:1 is a chance of getting a Three of a Kind. The chance of getting Two Pairs is 8:1. 5:1 is a chance of getting a High Pair. Classic Straight Poker.