- ABT
- American Backgammon Tour, an annual master-point competition of participants in major U.S. tournaments. Website: ABT.
- Accept a Double
- To agree to continue playing a game at twice the previous stakes after the opponent offers a double. Compare: Refuse a Double.
- Ace
- A rolled die showing the number 1.
- Ace-Point
- Traditional name for the one-point.
- Ace-Point Game

- A position in the late stages of a game in which a player is anchored on the opponent’s one-point trying to hit a shot as the opponent brings his checkers home and bears them off.
- Acey-Deucey

- [Also spelled "Acey-Deucy" or "Acey-Ducey".]
- The roll of 1 and 2 with two dice.
- A backgammon variant in which the roll of 1 and 2 gives the player extra turns. See: How to Play Acey-Deucey.
- Acting Captain
- In a chouette, the crew member who plays for the team against the box after the original captain has declined box’s double and is no longer in the game.
- Action Play
- A play designed to provoke an exchange of hits, typically used after the opponent has escaped his runners.
- Action Position
- A position in which one player doubles based upon his immediate blot-hitting chances.
- Active Builder
- A checker which is completely free to make another point.
- Advanced Anchor
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- An anchor on the opponent’s five-point, four-point, or sometimes three-point.
- An made point on the opponent’s five-point, four-point, or bar-point. (Many authors include the bar-point, though it is technically not an anchor, because it functions much like an advanced anchor when playing a holding-game.) See: Holding Point.
- Advanced Level
- A player of considerable experience and skill who has moved beyond intermediate level.
- Ahead in the Count
- Having a lower pip count than your opponent; see count .
- Ahead in the Race
- Having a lower pip count than your opponent.
- Air Ball
- An unexpectedly poor roll.
- Analog Clock
- A traditional chess clock with hands that show the time remaining for each player. It has a flag that falls to indicate when a player’s time has expired. Analog clocks generally do not have a time delay feature, making them less suitable than digital clocks for use in backgammon.
- Anchor:

- A point (1) occupied by two or more of your checkers in the opponent’s home board.
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- Annotated Match
- A recorded match with added analysis and commentary. Example: The annotated match between Kit Woolsey and Jeremy Bagai.
- Annotation
- Analysis and commentary about a backgammon game written after the game is played.
- Anti-Joker
- A very bad roll; the opposite of a joker.
- Army
- The formation of a player’s checkers as they work together to block and attack the opponent, then and come home safely.
- Around the Corner
- A move from the opponent’s outer board to the player’s outer board.
- Asset
- A feature that contributes to the strength of a position, such as made points and flexibility. Compare: Liability.
- Attacking Game
- Blitz.
- Automatic Doubles
- An optional rule in money play: If both players throw the same number on the first roll of a game, the stakes are doubled. The doubling cube is turned to 2 and stays in the middle. Players usually agree to limit the number of automatic doubles to one per game.
- Automatics
- Automatic doubles.
- Awkward Number
- A dice roll which forces a player to leave a shot or break a valuable point.
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