The Royal Game of Ur is one of the oldest board games in the world — playable boards were buried in the Royal Tombs of Ur (modern Iraq) around 2600 BCE, and the rules survive on a Babylonian clay tablet translated by the British Museum’s Irving Finkel. It is a two-player race game: get all seven of your pieces around the track and off the board before your opponent. Fast to learn, genuinely tense to play.
The board and the path
The board has 20 squares in an unmistakable shape: two 3×4 blocks joined by a 1×2 bridge. Each player runs their own private column at the start and end, and both share the central lane in the middle:
- Your private start — four squares only your pieces travel.
- The shared middle lane — eight squares both players cross; this is where the fighting happens.
- Your private exit — two more private squares, then off the board.
Dice: four tetrahedral rolls
You roll four four-sided (tetrahedral) dice, each with two marked corners. Count the marked corners that land up: your move is 0–4. Because it is the sum of four coin-flips, the distribution is binomial — 2 is the most common roll (about 3 in 8), while 0 and 4 are rare (1 in 16 each). Roll a 0 and you forfeit the turn. Good players plan around expecting a 2.
Rosettes: the whole strategy
Five squares carry a rosette symbol, and they do two things that decide games:
- Extra roll. Land exactly on a rosette and you immediately roll again.
- Safety. A piece on a rosette cannot be captured.
The rosette in the center of the shared lane is the single most valuable square on the board: it is safe, it grants a bonus roll, and — in this build — a piece parked there blocks the opponent from passing through the choke point.
Capturing
In the shared middle lane, landing exactly on a square occupied by a single opposing piece sends that piece all the way back to start. You cannot capture on a rosette (it is safe), and you cannot land on your own piece. A well-timed capture in the middle lane can swing an entire game — a piece knocked back near the finish loses a dozen squares of progress.
Bearing off
To remove a piece you need an exact roll to move it off the final square — overshooting is not allowed, so a piece one square from home needs a 1. First player to bear off all seven pieces wins.
How to actually win
- Fight for the central rosette. It is safe, gives a free roll, and blocks the lane. Take it early and hold it.
- Advance a spread, not a single runner. Multiple pieces in play give you choices when the dice disappoint and more capture threats against your opponent.
- Use the safe start. Pieces in your private lane cannot be captured — do not rush them into the shared lane until you can land on a rosette or make a capture.
- Weaponize the extra roll. Chaining rosette bonus rolls can move two or three pieces in a single turn — the biggest tempo swings in the game come from rosette chains.
- Play the odds. Expect a 2. Position pieces so a 2 lands on a rosette or captures, and so your own pieces are not sitting one common roll away from an enemy.