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
Games related to Yahtzee one's personal cup. These would be the player's personal dice. Then five "community" dice are chosen, then rolled much like same way as the cards in Texas Hold 'em poker. Players try to make the best five-dice "hand" out of the seven community and personal dice. Combinations used in this game, ordered here from weakest to strongest, are: Two Pair, Three-of-a-Kind, Full House, Straight (five-dice sequence), Four-of-a-Kind, Flush, regular Yahtzee (a Yahtzee of differently colored dice), Straight Flush, and Yahtzee Flush (a Yahtzee of the same color). The game Last Chance, which started marketing in 1994, is a combination of