Poker probability frequencies are calculated in a manner similar to that shown for 5-card hands, except additional complications arise due to the extra two cards in the 7-card poker hand. The total number of distinct 7-card hands is formula_3. It is notable that the probability of a no-pair hand is "less" than the probability of a one-pair or two-pair hand. The Ace-high straight flush or royal flush is slightly more frequent (4324) than the lower straight flushes (4140 each) because the remaining two cards can have any value; a King-high straight flush, for example, cannot have the Ace of its suit in
Video poker the flush attack flush represents one of the higher overlays of video poker. These machines, once common, are now relatively rare. "Bonus Poker" is a video poker game based on Jacks or Better, but Bonus Poker offers a higher payout percentage for four of a kind. The full-pay version of this game returns 99.2%. (3) The game has multiple versions featuring different bonus payouts based on the ranking of the four of a kind. "Double Bonus" video poker is a variation of Jacks or Better with a bonus payout for four aces. This variation offers up to a theoretical return