Backgammon glossary · P

Prime

Consecutive made points (a 4-prime, 5-prime, or the impassable 6-prime).

How it works in play

A prime is a wall of consecutive made points. A checker directly behind a 4-prime can still jump it with 5s and 6s when the landing points are open; a 5-prime leaves only the 6; a full 6-prime can’t be passed by any roll, so a trapped checker waits until the prime breaks.

  • Block — A made point that prevents the opponent’s checkers from landing on it.
  • Closeout — All six home-board points made while the opponent sits on the bar — they cannot enter until a point opens.
  • Bar point — The 7-point. After the 5-point, the second-most-valuable offensive point.
  • Golden point — The 5-point (offense) — or the 20-point as the defensive "golden anchor."
  • Timing — In holding and back games: how long you can wait before being forced to break a key point.

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