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 of 100.2 percent, when played with perfect strategy — however, this % is only on a "10/7" version video poker game (10/7 being the payouts for a full house and a flush). There are many other video poker varieties of 10/6, 9/6, etc. that have slightly lower than the most generous 10/7 version payout. Although the full-pay version has a theoretically-positive return, few play well enough to capitalize on it. Double Bonus is a complex game.(4) It is also available with other pay schedules that have lesser theoretical returns: "Double Double Bonus" video poker is a variation of Jacks or