Etiquette is the set of rules and manners that dictate behavior, both in personal and professional settings. Poker etiquette is the collection of norms and rules in and around the poker tables. If you don't know proper poker etiquette, you're bound to make obvious wrong moves and gaffes that can get you into trouble.

The causes of stress when playing poker\n\n Since most poker players invest real money in the game, they are also nervous about losing money. You are marked as the fish  by your opponents when they smell your anxiety. Losing chips is more often caused by nervousness than poor play.

Omaha is considered, by some, to be the hardest game of Poker to master. Of all of the different games of Poker, Omaha is for many the hardest to learn to play and the hardest to bluff in. It is played most often at fixed limits, like Texas Hold'em and pot limit.

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.