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