Backgammon Dictionary

To move to a point (1) occupied by an opposing blot and put the blot on the bar.

To hit an opposing blot and then continue on with the same checker to cover your own blot.

Pick and pass.

Pick and pass.

To hit a blot with one number while splitting your runners with the other number. The hit provides protection for the advanced split checker, making it less likely the opponent will be able to point on it.

To hit an opposing blot and while leaving your own blot(s) in danger of a return hit, particularly in your own home board.

To hit an opposing blot sitting on the front edge of a partial prime to keep the blot from escaping.

A strategy used when you are behind in the race and your opponent has escaped his runners. You make an advanced anchor on the opponent's side of the board and hold on to it as long as you can with the idea of hindering the opponent from bearing in safely. Compare: Back Game.

The defensive point (2) you control when playing a holding game, usually the opponent's four-point, five-point, or bar-point.

[Named after Tim Holland, who proposed the rule.]  An optional rule in match play that was popular in the 1980's but is now rarely used. After the Crawford game a player may not double until at least two rolls have been played by each side. See post by Kit Woolsey.

Home board.

The quadrant containing your one-point through six-point. It is the last quadrant your checkers move to before they are borne off. It is also the quadrant your opponent must use to enter any of his checkers sitting on the bar. Your home board is also called your inner board or inner table.

The number of plies played in each trial of a truncated rollout. A rollout that is truncated after 10 plies has a 10-ply horizon.

A player who, by charm or other means, persuades another player to take part in game where the other player is at a disadvantage.

A backgammon variant where each player has just three checkers.  See: How to Play Hyper-Backgammon.

A move that does not conform to the roll of the dice as defined by the rules of backgammon. An illegal move must be corrected if requested by the opponent before the opponent rolls the dice to begin his own turn.  See: Illegal Moves Rule.

The standard rule in backgammon which says: If a player makes an illegal play, the opponent has the option of allowing the error to stand or requesting that it be corrected. He must make this request before rolling the dice to begin his own turn. Once a correction is requested, the illegal mover is free to make any legal play he chooses.  Compare: Legal Moves Rule.

A play that does not conform to the roll of the dice as defined by the rules of backgammon. An illegal play must be corrected if requested by the opponent before the opponent rolls the dice to begin his own turn.  See: Illegal Moves Rule.

A position which cannot be reached through any sequence of legally played rolls. For example, both players closed out with checkers on the bar is an illegal position. Illegal positions are not allowed under the rules, and any misplay that creates an illegal position must be corrected.

On the bar.