How to Play Petteia: The Ancient Greek Board Game

Petteia — also called Polis (“city”) — was the strategy board game ancient Greeks played from at least the time of Homer through the early Roman period. Plato mentioned it in the Republic as a metaphor for ordered thinking. Socrates compared the wise player to the wise general. The Greeks took it seriously. Then it vanished by the 4th century CE, and like most ancient games it left no complete rulebook. Modern reconstructions of how to play Petteia draw on Pollux’s Onomasticon, scattered Plato references, surviving boards from Greek graves, and the closely related Roman game Latrunculi (which the Romans likely adapted from the Greek original).

What Petteia actually is

The Greek word petteia meant “playing with pebbles” — the pieces were small stones or shells, set on a grid scratched into stone, sand, or wood. Two names show up in classical sources: petteia generally, and polis (“city”) when the game was played on a city-square layout. There are also references to pente grammai (“five lines”), which seems to have been a different, simpler race game. The strategic flanking game described here is the most-discussed variant.

Plato references Petteia in the Republic, in the Phaedrus, and in the Laws. Aristotle compared a citizen with no city to “an isolated piece in Petteia.” The historian Polybius used Petteia metaphors to describe military maneuver. The references are everywhere; the rules are nowhere written down whole.

What you need

A grid board. The most common reconstructed Petteia uses 8×8, which matches the surviving Roman Latrunculi boards. Some sources point to 7×7 or 9×9 for the Greek version. We will use 8×8 — pick another size if you want to try a variant.

16 pieces per player, all identical for each side. The two sides use different colors but no piece is special (unlike chess, where the king differs from the pawn). Historical pieces were stones, glass beads, or shells; modern reconstructions use checkers or Go stones.

Starting position

Each player places their 16 pieces along their back two ranks of the board, filling 16 squares. So on an 8×8 grid, player A occupies ranks 1 and 2 entirely (16 squares), and player B occupies ranks 7 and 8 entirely. The middle four ranks (3 through 6) start empty.

Choose a first player however you like — coin flip, age, whoever did dishes last.

How pieces move

Pieces move like a chess rook: any number of empty squares in a straight orthogonal line (no diagonals), no jumping over other pieces. A piece must change squares on its turn; passing is not allowed.

There is no piece hierarchy. Every piece moves the same way and has the same capture rules. The flat playing field is one of the things that made Petteia philosophically interesting to Plato — the value of a piece is purely positional.

Capturing pieces

Petteia uses the custodial capture — the same mechanic that survived into Tafl games (Hnefatafl) further north and into Roman Latrunculi further south. If you move a piece so that an enemy piece becomes flanked on two opposite sides by your pieces, the flanked piece is captured and removed from the board.

“Flanked on two opposite sides” means left-and-right or top-and-bottom — not diagonal. Both flanking pieces must be your own. The capture happens at the moment you complete the sandwich, not before. You can only capture by moving into the flanking position.

Critically, you can move a piece into the space between two enemy pieces without that piece being captured. The capture is active — the flanker captures, the flanked does not self-destruct. This rewards probing moves through enemy territory.

Multiple captures

A single move can capture multiple pieces if it creates more than one sandwich at once. Moving a piece into a position that flanks one enemy on its left and a different enemy on its top can capture both. Watch for these multi-capture spots — they often decide games.

Winning

The most commonly cited win condition: capture all of your opponent’s pieces, or reduce them to a state where no legal move is possible. Some reconstructions add a draw rule when both players have so few pieces that capture becomes impossible.

The “no legal moves” win is more common than it sounds. Late in a game, a player with three or four pieces left can find themselves boxed in by stronger formations and unable to move without immediate capture. Polybius’s military metaphor — the petteia piece without a city — comes from exactly this state.

Strategy basics

Petteia is a positional game with no inherent ranking. The value of any piece is determined by its support: a piece next to another of your pieces is hard to capture; an isolated piece is in constant danger. Move in formations.

The center is contested. The middle of the board is where flanking attacks form most easily because pieces have lines of attack from four directions. Many strong opening moves push pieces toward the central ranks early without exposing them.

Avoid moving a piece next to a single opponent piece if your support is far away. The opponent’s next move can bring a second piece into flanking position. The two-move horizon is what separates strong play from weak.

Set traps. Leaving a piece apparently vulnerable can lure an opponent into a position where capturing it costs them more — for example, if landing the capture leaves their flanker exposed to your next move. These are the moves Plato had in mind when he talked about strategic foresight.

Petteia and Latrunculi

The Roman game Latrunculi (“Game of Little Soldiers”) shares almost all of Petteia’s mechanics: orthogonal movement, custodial capture, equal piece counts, no piece hierarchy. The two are widely considered the same family. The Roman version added a few wrinkles — sometimes a special unmovable piece, sometimes alternative board sizes — but the core game is the Greek game adopted by Rome.

Both share ancestry with the Tafl family — Hnefatafl, Tablut, Brandubh — which carried similar custodial-capture mechanics into northern Europe. The connection is debated, but the mechanical resemblance is hard to call accidental.

What we do not know about Petteia

The exact starting setup is not certain. The 16-pieces-on-back-two-ranks pattern is the most common reconstruction but not the only one — some scholars argue for a different opening based on Egyptian Tabula references. The board size is also debated; 8×8 is most common but 7×7 and 9×9 have defenders. Whether captured pieces could ever re-enter is unsettled (most reconstructions say no, but a few sources hint at exchanges). For the historical evidence, the Wikipedia article on Petteia summarizes the surviving classical references.

Where to play Petteia today

Petteia has no major modern league, but a handful of web implementations and tabletop reconstructions exist. The simplest approach: 8×8 board, two sets of 16 checkers, the rules above. A whole game takes about 30 minutes. For a faster reset between games, the Chrome Dino game is the modern five-second equivalent of “a brief game while you wait for your opponent’s move.” Petteia rewards the longer kind of attention, though.

Frequently asked questions

What does Petteia mean?

The word means “playing with pebbles” in ancient Greek. It generically referred to several board games using stones as pieces; the strategic flanking game described here is the most-discussed variant in classical sources. Plato and Aristotle both used the term as a metaphor for ordered thinking.

How is Petteia different from chess?

No piece hierarchy. Every Petteia piece moves identically and captures identically. There is no king, no pawn, no special movement. The strategic depth comes from positioning and support, not from a varied piece set. Captures are also custodial (flanking) rather than direct.

Is Petteia the same as Polis?

Probably the same game under two names. Polis (“city”) refers to the board layout — a grid that looked like a city plan — and petteia (“playing with pebbles”) refers to the pieces. Classical sources use both terms, sometimes interchangeably.

How long does a game of Petteia take?

Roughly 30 to 60 minutes for two experienced players. New players may take less time simply because they capture each other faster through unforced errors. Compared to chess, individual games are shorter because the no-hierarchy capture mechanic resolves positions more quickly.

Are the rules certain?

No. The complete rules were never written down. Modern reconstructions are educated guesses based on the references in Plato, Aristotle, Pollux, and the related Roman game Latrunculi. The flanking-capture mechanic is well-supported; the exact starting position and board size are less certain.

The bottom line

Petteia is the strategy game ancient Greeks thought about when they wanted a metaphor for strategy. The mechanics are simple — orthogonal movement, custodial capture, no piece hierarchy — but the game rewards the same kind of multi-move foresight Plato wrote about in the Republic. The reconstruction is imperfect, but the surviving rules give a working game that plays well and shares ancestry with everything from Hnefatafl to Latrunculi. Set up an 8×8 board, place 32 stones, and play the game Aristotle used as a citizenship metaphor.