Quaich

The shared point

Play opens from the standard position and follows the standard rules, doubling cube included. The one change is the midpoint — the 13-point: either player may land and stack there no matter who already holds it, and a checker on the quaich is never hit or trapped.

It is, by design, a friendly rule — a safe meeting point in the middle of the board that belongs to everyone.

How it changes play

Removing the usual fight for the midpoint changes the opening completely. Back checkers always have one guaranteed safe stepping-stone on the way home, so the game leans towards bold running and away from blockades.

Quaich is ScotGammon's own creation rather than a traditional game — try it pass-and-play and see how a single shared point reshapes your plans.

How the shared point changes play

Quaich follows the standard rules, so everything you know still applies — make home-board points, escape your back checkers, mind the doubling cube. The single change, the shared and unhittable midpoint, quietly reshapes the opening and the middlegame.

Because neither side can be shut out of the 13-point and no checker is ever hit there, the usual scramble to own the midpoint disappears. Your back checkers always have one guaranteed safe stepping-stone on the way home, which makes bold running far less risky than in the standard game and takes some of the sting out of holding games.

The result is a friendlier, more open game that leans towards racing and away from long blockades. Try it pass-and-play and watch how a single shared point changes which risks are worth taking — the whole spirit of the quaich it is named for.

The cube and gammons

Because Quaich follows the standard rules, the doubling cube plays exactly as it does in the ordinary game — but the shared midpoint subtly changes the odds it turns on. With back checkers always able to reach a safe stepping-stone, games are a little more likely to become clean races and a little less likely to produce the crushing gammons that come from trapping a checker behind a prime.

In practice that means cube decisions lean slightly more on the pip count and slightly less on blocking chances, and gammons, while still worth chasing, arrive a touch less often. The best way to get a feel for it is simply to play: turn the cube when you are a clear favourite, take when you have a genuine chance, and watch how the shared point nudges those judgements. It is, after all, ScotGammon's own game, and one worth trying to see how it plays.

A worked example

Picture a familiar bind: you are holding an anchor on the opponent's 20-point, they have built a four-point board, and your usual escape would leave a blot within range as it runs. In the standard game that is an uncomfortable choice between staying put and risking a hit. On the quaich, the 13-point is always available and never hit, so a checker that reaches the midpoint is instantly safe — turning a risky dash into a two-stage move you can make with confidence.

That single guarantee ripples outward. Holding games lose some of their bite, because the trailing player can uncramp more easily; blitzes are harder to land cleanly, because the midpoint offers a refuge; and the plain race matters a little more than the blockade. None of this rewrites the game — it simply shifts which risks are worth taking, which is exactly what the shared cup of friendship is meant to do.