At a glance
| Origin | A modern shortened form, beloved of theorists and speed players |
|---|---|
| Players | 2, with 3 checkers each |
| Doubling cube | Yes — and it is most of the game |
| Hitting | Yes — standard |
| Starting position | One checker each on the 24, 23 and 22 points |
| Solved | Yes — every legal position has a computed exact equity |
How Hypergammon plays
All standard rules apply — movement, hitting, the bar, gammons, the cube, and the bear-off. Each player simply starts with three checkers, on the 24-, 23- and 22-points. Both armies must run the full length of the board through each other, so early contact is guaranteed and almost every roll offers or threatens a hit.
With so few checkers, points are rarely made and primes barely exist; wins come from hitting, containing a single checker briefly, or simply out-rolling the opponent. Gammons and backgammons are common — a hit checker frequently never gets home.
A solved game
Hypergammon's position space is small enough that computers have solved it completely: for every legal position and cube state, the exact equity and the correct play are known. That makes it a unique training ground — when you review a hypergammon session, there is no “the bot thinks”; there is only right and wrong.
What it teaches
- Cube instinct. The doubling window opens and slams shut in a roll or two; hypergammon drills take/pass judgment faster than any other format.
- Volatility literacy. You learn to feel when a position's equity is fragile — a sense that transfers directly to standard backgammon blitzes and races.
- Shot counting. With hits deciding everything, counting shots out of 36 rolls becomes second nature.
How Hypergammon differs from standard backgammon
| Aspect | Standard backgammon | Hypergammon |
|---|---|---|
| Checkers | 15 per side | 3 per side, starting on the 22, 23 and 24 points |
| Game length | 5–15 minutes typical | 1–3 minutes typical |
| Structure | Primes, anchors, blitzes, holding games | Almost pure hitting and racing — no material for walls |
| Volatility | Moderate; equity moves in steps | Extreme; single rolls regularly swing games |
| Cube | Important | Dominant — cube skill is most of the edge |
| Theory status | Not solved; bots approximate by rollout | Fully solved by computer — perfect play is known |
New to the game? Start with the standard backgammon rules, browse the other variants, or look up any term in the glossary.