Poker probability The "nCr" function on most scientific calculators can be used to calculate hand frequencies; entering with and , for example, yields formula_2 as above. The royal flush is a case of the straight flush. It can be formed 4 ways (one for each suit), giving it a probability of 0.000154% and odds of 649,739 : 1. When ace-low straights and ace-low straight flushes are not counted, the probabilities of each are reduced: straights and straight flushes each become 9/10 as common as they otherwise would be. The 4 missed straight flushes become flushes and the 1,020 missed straights become no
Five-card stud K, Q, J, T in hearts) is beaten by the lowest straight flush (T, 9, 8, 7, A in spades). Note that these rules are as the game has been played on several online poker sites, but Telesina may generically refer to any stripped deck five-card stud variation. Regular five-card stud played with a stripped deck - with all cards of rank 2 to 6 inclusive removed from the deck. This variant has been played in a tournament format in California. Called Americana, the game has been available on online poker sites. As with other stripped deck games, a flush