For more precise and even better odds, below is a table telling you exactly which cards to keep and which to throw away depending on your starting 5 cards. To read the table, start at the top and match your hand to the highest one on the list and follow the number listed there. In other words, while you may have both a pair and four cards to a flush, such as having the Ace of hearts and the Ace, King, Queen, and Jack of spades (AAKQJ) you will discard the Ace or hearts and try to hit the royal straight flush, since "four-card royal straight flush" is higher on the chart than "High pair."
Break up a flush or a straight only when you have four cards to a royal flush. That is, if you have ace-king-queen-jack-9, all of clubs, discard the 9 to take a chance at the big payoff for the 10 of clubs. That still leaves open the possibility of a flush with any other club, a straight with any other 10, and a pair of jacks or better with any ace, king, queen, or jack.
Enough Americans have an easy familiarity with the rank of poker hands that video poker has become one of the most popular casino games. As gambling markets mature and players become more experienced, the demand for video poker has tended to become stronger. In Nevada, casinos with a clientele of locals devote more than 50 percent of slot space to video poker, and there are video poker bars that offer few other gambling options. The major resorts that cater to tourists turn a lower percentage of space to video poker, about 10 percent to 15 percent. That's about the percentage you'll find in other United States gaming destinations. In Missouri, as soon as voters allowed games of chance, about 80 percent of slot space was turned over to reel slots.