“R” Backgammon Terms

Terms that Start with “R” Letter

There are - 39 - terms.

Ratings Pool

The people who participate in a ratings system.

Ratings System

A method of assigning ratings to players based on their performance in such a way that players with greater ability will, over time, tend to have higher ratings.

Raw Take Point

The minimum game winning chances you need to accept a double if you assume no gammons and no further cube action. The raw take point can be derived from a match equity table and depends only on the score of the match, not on the position. See post by Timothy Chow.   Compare: Take point.

Recirculate

To intentionally allow a blot to be hit for the purpose of gaining time to preserve other valuable points (2).

Recube Vigorish (Vig)

The value of cube ownership to the player being offered a double; the additional equity that comes from being the only player who may redouble.

Redouble

A double other than the first double of a game. Only the player who last accepted a double may redouble.  Compare: Initial Double.

Reenter

Enter a checker from the bar after it has been hit.

Reference Position

A position of known value that serves as a standard by which other similar positions may be measured or judged.  See: Cube Reference Position.

Refuse a Double

To resign the game at the current stakes after the opponent offers a double rather than continue play at twice the stakes.  Compare: Accept a Double.

Resign

To accept defeat. Resignation is a form of settlement; when you resign you must specify whether you are resigning a single game, a gammon, or a backgammon (2), and the opponent must agree. Resigning is not allowed in tournament play before contact is broken.

Return Shot

A chance to hit back after being hit yourself.

Roll

[Verb.]  To throw a pair of dice.

[Noun.]  Two thrown dice, each showing a number from 1 to 6.

Roll a Prime

To make a new point at the leading edge of a prime using checkers from the rear of the prime. Usually the easiest way to roll a prime forward is to slot the point immediately in front of the prime.

Roll Out

To analyze a position by playing it out over and over again.

To estimate the equity of a position by means of computer simulation; see rollout.

Rollout

An estimate of the equity of a position obtained through computer simulation. A rollout consists of numerous trials, the results of which are averaged together. See post by Gregg CattanachSee also: Truncated Rollout, Cubeless Rollout, Cubeful Rollout, Random Error, and Systematic Error.

Roll-Over

A backgammon variant in which players have a once-per-game option of rerolling their own dice or asking for a reroll of the opponent's dice.  See: How to Play Roll-Over.