Royal Game of Ur Rules: Finkel vs Masters vs Blitz
No original rulebook for the Royal Game of Ur survives from ancient Mesopotamia — what we play today are careful reconstructions. Three rule sets have become the standard ways to play, and each changes the feel of the game. Here's exactly how they differ.
Where the rules come from
The clearest ancient evidence is a cuneiform tablet written around 177 BCE by the Babylonian scribe Itti-Marduk-balatu, which the British Museum's Irving Finkel translated and published in 2007 — giving us the "Finkel rules" used below. James Masters later proposed a streamlined variant more suited to modern tournament play, and "Blitz" is a fast, aggressive house variant built on Masters' board layout.
| Rule | Finkel | Masters | Blitz |
|---|---|---|---|
| Pieces per player | 7 | 7 | 5 |
| Dice | 4 pyramid dice (0–4) | 3 pyramid dice (1–4, a roll of nothing counts as 4) | 4 pyramid dice (0–4) |
| Path length | 14 squares (shorter end run) | 16 squares (the middle row wraps further) | 16 squares |
| Shared squares | Middle row only | Middle row + the two end squares each side | Middle row + the two end squares each side |
| Rosettes | Safe from capture, and grant another roll | Grant another roll, but offer no safety | Ordinary squares — no bonus roll, no safety |
| Capturing | Sends the piece home, no bonus | Sends the piece home, no bonus | Sends the piece home and grants another roll |
Finkel — the historian's choice
This is the closest reconstruction we have to how the game was actually played in antiquity, following Finkel's reading of the Babylonian tablet. Rosettes being fully safe makes them powerful strategic anchors — a piece parked on one is untouchable, so the fight for rosette control defines the whole game.
Masters — the balanced, modern rule set
James Masters extended the shared danger zone to the two squares at each end of the board and removed rosette safety, which makes the game noticeably more aggressive: nowhere on the board is truly safe except off it. The longer 16-square path also means marginally longer games. This is the rule set most competitive online play defaults to.
Blitz — fast and vicious
Built for speed: fewer pieces (5, so the game ends sooner), no rosette bonuses at all, but every capture earns you an extra roll — which can snowball into a multi-piece rally in one turn. Best if you want a sharp 5-minute game rather than a slow strategic one.
Which one should you play?
- Want the authentic ancient experience? Play Finkel.
- Want the rule set most people mean by "the real online rules"? Play Masters.
- Short on time, or want chaos? Play Blitz.
All three are free to play against the computer or a friend — you can switch rule sets from the setup screen before every game.