There are several winning combinations in vdeo poker games and the chances of getting them are also different. Only one of 40,000 combinations can be a Royal Flush. The chance of getting Straight Flush is 10,000:1. 423:1 is a chance of getting a Four of a Kind. 86:1 is a chance of getting a Full House. Only one of 93 combinations can be a Flush. The chance of getting Straight is 85:1. The chance of getting Three of a Kind is 13:1. The chance of getting Two Pairs is 8:1. The chance of getting High Pair is 5:1. Internet Draw Poker Full House.