Poker glossary: A
8 poker terms starting with A. Each entry has a clear definition, a worked example, and links to related concepts.
Action Order
Before cards are dealt, the two players left of the dealer button post the small blind and big blind. The big blind is usually twice the small blind. These forced bets seed the...
Add-On
An add-on is a one-shot extra-chip purchase that everyone still in the tournament can buy at a fixed break, usually the end of the rebuy period. It is not a rebuy (which replace...
Aggression Factor
Aggression factor (AF) is the ratio of a player's postflop bets and raises to their calls, displayed on a HUD next to VPIP and PFR. It tells you whether someone pressures pots o...
Aggressive Regular
An aggressive regular prefers betting and raising over calling to seize initiative and control pots. In No-Limit Texas Hold'em, where players may wager any portion of their stac...
All-in
All-in is the rules state of having every remaining chip in the pot for the current hand. Once you're all-in you can't bet, raise, or fold for the rest of the hand — your hand s...
All-in Equity
All-in equity is the share of the final pot a hand expects once both players are committed and no more betting can change the outcome. It's the equity number a calculator return...
Alpha (Poker)
Alpha is the fold rate a zero-equity bluff needs to break even: `alpha = bet / (pot + bet)`. It is the bettor's mirror of minimum defense frequency: the two always sum to 1. Pot...
Ante
An ante is a small compulsory bet every player posts before cards are dealt. Unlike blinds, which only come from specific positions, the ante comes from every seat and goes dire...