Video Poker - Full pay games - Jacks or Better

"Jacks or Better" is the most common variation of video poker available. Payoffs begin at a pair of jacks or better. Full pay Jacks or Better is also known as 9/6 Jacks or Better; the 9 refers to the payoff for a full house and the 6 refers to the payoff for a flush. Full pay Jacks or Better has a theoretical return of 99.54% when played with perfect strategy.

Hand	1 credit	2 credits	3 credits	4 credits	5 credits
Royal Flush	250	500	750	1000	4000
Straight Flush	50	100	150	200	250
Four of a kind	25	50	75	100	125
Full House	9	18	27	36	45
Flush	6	12	18	24	30
Straight	4	8	12	16	20
Three of a Kind	3	6	9	12	15
Two Pair	2	4	6	8	10
Jacks or Better	1	2	3	4	5
Theoretical Return	98.05%	98.05%	98.05%	98.05%	99.54%*

*Notice the gap between the payoff for a Royal Flush played with 4 credits vs. one with 5 credits. The payoff schedule for most video poker machines has a gap like this, such that players who do not play with the maximum number of credits at a time are playing with a smaller theoretical return.

From Wikipedia's

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