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. 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. Only one of 85 combinations can be a Straight. 13:1 is a chance of getting a Three of a Kind. Only one of 8 combinations can be a Two Pairs. Only one of 5 combinations can be a High Pair. Online Liar's Poker Two Pair.