Aggression (poker)
Encyclopedia
In the game of poker
Poker
Poker is a family of card games that share betting rules and usually hand rankings. Poker games differ in how the cards are dealt, how hands may be formed, whether the high or low hand wins the pot in a showdown , limits on bet sizes, and how many rounds of betting are allowed.In most modern poker...

, opens and raises are considered aggressive plays, while calls and checks are considered passive (though a check-raise
Check-raise
A check-raise in poker is a common deceptive play in which a player checks early in a betting round, hoping someone else will open. The player who checked then raises in the same round....

 would be considered a very aggressive play). It is said that "aggression has its own value", meaning that often aggressive plays can make money with weak hands because of bluff
Bluff (poker)
In the card game of poker, a bluff is a bet or raise made with a hand which is not thought to be the best hand. To bluff is to make such a bet. The objective of a bluff is to induce a fold by at least one opponent who holds a better hand. The size and frequency of a bluff determines its...

 value. In general, opponents must respond to aggressive play by playing more loosely, which offers more opportunities to make mistakes.

While it is true that aggressive play is generally superior to passive play, using any play exclusively can lead to predictability. A player who is constantly aggressive and plays many inferior hands is called a "maniac", and skilled players will take advantage of him by calling him more often, using isolation
Isolation (poker)
In poker, an isolation play is usually a raise designed to encourage one or more players to fold, specifically for the purpose of making the hand a one-on-one contest with a specific opponent...

 plays, and by other means.

If a player is not aggressive with his weaker hands, the opponents can safely fold whenever the player does bet or raise. The appropriate amount of aggression can be computed using game theory
Game theory
Game theory is a mathematical method for analyzing calculated circumstances, such as in games, where a person’s success is based upon the choices of others...

, and depends on the game being played and the tendencies of the opponents.

Most theorists, like David Sklansky
David Sklansky
-Life and career:Sklansky was born and raised in Teaneck, New Jersey, where he graduated from Teaneck High School in 1966. He attended the University of Pennsylvania, but left before graduation. He returned to Teaneck and passed multiple Society of Actuaries exams by the time he was 20, and worked...

 and Doyle Brunson
Doyle Brunson
Doyle F. Brunson is an American professional poker player who has played professionally for over 50 years. He is the first two-time World Series of Poker main event champion to win consecutively, a Poker Hall of Fame inductee, and the author of several books on poker.Brunson is the first player to...

 suggest aggression as an important tool. It is also worth noting that aggressive play should not be confused with loose play. Loose players may play passively, resulting in a calling station
Calling station
Calling station is a poker term used to negatively describe someone who consistently calls bets and rarely raises, regardless of the strength of his/her hand...

, while tight players may play aggressively, referred to as a TAG. Aggression is called for in particular circumstances. Very strong starting hands should be played very aggressively most of the time. A very strong propositional hand - one that is more likely to win with a straight or a flush - is one of the hands that can be played for effect with an aggressive style. Such aggression is deceptive, as the low and unpaired ranks of the starting hand require much improvement to win. This is beneficial for two reasons:
  • When the hand improves the preceding aggression has increased the size of the pot, meaning a larger win.
  • On future raises with more traditionally powerful hands, other players must consider the fact that the aggressor's open or raise is indicative of a strong drawing hand as opposed to a high pair.


The second reasoning is what is known as "advertising" in poker. It can be very profitable for a player to convince the other players at the table that he is willing to gamble with less than premium cards. The result is larger pots when the aggressive player has tremendously strong hands.
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