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