Caturanga

THE CHESSBOARD WAS ONCE AN ARMY

Look at a chessboard.

Sixty-four squares.

Two armies facing each other.

Kings, pawns, knights, rooks, bishops…

It looks like a game.

But more than 1,500 years ago, the idea behind those pieces was something much more serious:

an army preparing for battle.

The Sanskrit word Chaturaṅga means “four-limbed” or “four-part.”

It referred to the four traditional divisions of an ancient Indian army:

Elephants

Cavalry

Chariots

Infantry

These four divisions became the central idea of an ancient Indian war game.

The game was played on an 8 × 8 board, known as the Aṣṭāpada.

The army also had a king, the rāja, and a royal adviser or minister.

Over centuries and across civilizations, these pieces changed their names, movements and powers.

The elephant eventually became the bishop.

The chariot became the rook.

The horse became the knight.

The infantryman became the pawn.

The king remained the king.

And the humble minister eventually became the extraordinarily powerful queen of modern chess.

FROM INDIA TO PERSIA

The game did not remain in India.

By the Sasanian period, a related form of the game was being played in Persia as chatrang.

The Middle Persian work Wizārišn ī Čatrang (“Explanation of Chess”), generally dated to around the 6th–7th century, describes the game in the Sasanian world and preserves the tradition that it came from India. Encyclopaedia Iranica notes that Sasanian chess was based on an Indian model. 

From Persian chatrang, the name developed into Arabic shatranj.

The word had travelled with the game.

Chaturaṅga → Chatrang → Shatranj

And the game continued travelling.

Through the Islamic world it eventually reached Europe, where centuries of changes transformed the older game into the chess we know today. 

A LITERARY CLUE FROM INDIA

There is also a beautiful early Indian literary reference.

The Sanskrit poet Bāṇabhaṭṭa, in his 7th-century Harṣacarita, uses the word chaturaṅga in a passage associated with the game and the Aṣṭāpada board. It is among the earliest clear literary references connecting the term with the game. 

So the next time you see a chessboard, look at it differently.

The rook is not merely a rook.

The knight is not merely a knight.

The bishop is not merely a bishop.

They carry echoes of an army described in ancient India:

elephant, horse, chariot and foot soldier.

A battlefield became a board.

War became strategy.

And eventually, an ancient Indian game became one of the world's most enduring intellectual games.

CHESS — THE ANCIENT INDIAN ARMY THAT TRAVELLED THE WORLD.