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. 10,000:1 is a chance of getting a Straight Flush. 423:1 is a chance of getting a Four of a Kind. The chance of getting Full House is 86:1. The chance of getting Flush is 93:1. Only one of 85 combinations can be a Straight. Only one of 13 combinations can be a Three of a Kind. Only one of 8 combinations can be a Two Pairs. 5:1 is a chance of getting a High Pair. Internet Straight Poker Call.