a b c d e f g h
8 a8 sy b8 py e8 black king f8 black upside-down bishop g8 black knight h8 black upside-down knight 8
7 a7 ny b7 py e7 black pawn f7 black pawn g7 black pawn h7 black pawn 7
6 a6 ey b6 py 6
5 a5 ky b5 py 5
4 g4 pr h4 kr 4
3 g3 pr h3 er 3
2 a2 pg b2 pg c2 pg d2 pg g2 pr h2 nr 2
1 a1 sg b1 ng c1 eg d1 kg g1 pr h1 sr 1
a b c d e f g h
Chaturaji starting position. Individual armies are distinguished by colour.
The direction of the chess pieces indicates to which player they belong.
Antique Indian Chaturanga Chess set arranged for four players as in Chaturaji.

Chaturaji (meaning "four kings") is a four-player chess-like game. It was first described in detail c. 1030 by Al-Biruni in his book India.[1] Originally, this was a game of chance: the pieces to be moved were decided by rolling two dice. A diceless variant of the game was still played in India at the close of the 19th century.

History

Hiram Cox's diagram of a chaturaji board.

The ancient Indian epic Mahabharata contains a reference to a game, which could be chaturaji:

Presenting myself as a Brahmana, Kanka by name, skilled in dice and fond of play, I shall become a courtier of that high-souled king. And moving upon chess-boards beautiful pawns made of ivory, of blue and yellow and red and white hue, by throws of black and red dice, I shall entertain the king with his courtiers and friends.[2]

There is no certainty, however, whether the mentioned game is really a chess-like game like chaturaji, or a race game like Pachisi. The mention of a gaming board is absent from the critical edition of the text, indicating it is a later addition.[3]

I will become “Kanka,” a brahmin fond of gambling and reveling in dice, and I will be the high-hearted king’s games-playing courtier. I will set down cat’s-eye gem, gold and ivory game pieces on a gemstone gaming board, and cast beautiful black and red dice.[4]

At the end of the 18th century, Hiram Cox put forth a theory (later known as the Cox–Forbes theory) that chaturaji is a predecessor of chaturanga and hence the ancestor of modern chess. The theory was developed by Duncan Forbes in the late 19th century, and was endorsed in an even stronger version by Stewart Culin.[5] This theory was rejected by H. J. R. Murray in 1913,[6] however, and modern scholars have sided with Murray. According to Forbes, this game is properly called chaturanga, which is also the name of a two-player game. The term chaturaji refers to a position in the game comparable to checkmate in chess.[7] Forbes believed that the North and South players (Black and Green) played as allies against the East and West players (Red and Yellow).[8]

Rules

Piece moves

Boat move
a b c d e f g h
8 d8 cross h8 cross 8
7 7
6 f6 black upside-down knight 6
5 5
4 d4 cross h4 cross 4
3 3
2 2
1 1
a b c d e f g h
The boat on f6 can move to any of the four marked squares.

The game is played with pieces of four different colours as illustrated. Each player has four pieces on the back rank with four pawns in front of them on the second rank. The four pieces are king, elephant, horse and boat (also ship or rukh in some sources). The king moves like the chess king, the elephant like the chess rook and the horse like the chess knight. The boat corresponds to the chess bishop but has a more restricted range, like the alfil in shatranj. The boat moves two squares diagonally in any direction (see diagram), jumping over the intervening square. This differs from most ancient chess-like games where it is the elephant that normally corresponds to the chess bishop. Player turns pass clockwise around the board.

The pawn also moves as in chess, but does not have the option of an initial double-step move. Each of the four players' pawns moves and captures in a different direction along the board, as implied by the initial setup. For example, the red pawns which start on the g-file move left across the board, promoting on the a-file. Also, pawn promotion rules are different: one must promote to the piece that starts on the same file (or rank) of the promotion square (king included), and, the piece promoted to must have been previously captured.

Boat triumph

Boat triumph
a b c d e f g h
8 8
7 7
6 f6 black upside-down knight 6
5 d5 sr e5 sg 5
4 d4 cross e4 sy 4
3 3
2 2
1 1
a b c d e f g h
The black boat at f6 can capture all three enemy boats by moving to d4.

When a boat moves such that a 2×2 square filled with boats is formed, it captures all three boats of the other players (see diagram). This rule is called vrihannauka or boat triumph.

Sinhasana

Whoever moves a King to enter the original square of another King is said to have gained a sinhasana. If a player gains a sinhasana on the allied player's throne (player whose pieces are opposite), they take control of both armies. [9]

Dice throws

On each turn two dice are thrown. Early descriptions of the game do not agree about whether (six-sided) cubical or (four-sided) stick dice were used. However, H. J. R. Murray believes cubical dice to only be a substitute for oblong dice. Players were allowed to throw the dice in the air and catch them, exercising some control over the outcome. Pieces to be moved are determined by the die values (note that the stick dice had no 1 or 6):

Die valuePiece
1pawn or king
2boat
3horse
4elephant
5pawn or king
6elephant

On each turn two moves can be made, one for each die. The same or two different pieces can be moved, and the player can skip one or both of their moves.

Scoring

There is no check or checkmate; the king can be captured like any other piece. The goal of the game is to collect as many points as possible. Points are scored by capturing opponents' pieces, according to this scale:

PiecePoints
pawn1
boat2
horse3
elephant4
king5

A score of 54 points is awarded to a player who manages to capture all three opponents' kings while their own king remains on the board. This value is a sum of points of all pieces in three armies.

See also

References

  1. ↑ Murray (1913), p. 68
  2. ↑ Mahabharata, Book 4, Section 1, sacred texts.com, accessed 22 July 2006, archived 11 March 2007.
  3. ↑ J.A.B. van Buitenen, The Mahabharata: 4. The Book of Virāṭa, 5. The Book of the Effort', Chicago IL: University of Chicago Press, 1978, p 28.
  4. ↑ Vyāsa, Kathleen Garbutt (trans), Mahābhārata: Book Four: Virāṭa, 4.1.23–24 (p. 29), New York University Press and JJC Foundation, 2006.
  5. ↑ Four-Handed Chaturanga by Jean-Louis Cazaux
  6. ↑ Murray (1913), p. 75
  7. ↑ Forbes (1860), p. 18
  8. ↑ Forbes (1860), pp. 21–22
  9. ↑ Murray (1913), p. 70

Bibliography

  • Forbes, Duncan (1860). The History of Chess. W. H. Allen & Company.
  • Murray, H. J. R. (1913). A History of Chess (Reissued ed.). Oxford University Press. ISBN 0-19-827403-3.

Further reading

  • Gollon, John (1968). "§2 Chaturanga (Four-Handed)". Chess Variations • Ancient, Regional, and Modern. Charles E. Tuttle Company Inc. pp. 31–40. LCCN 06811975.
  • Pritchard, D. B. (1994). "Chaturaji". The Encyclopedia of Chess Variants. Games & Puzzles Publications. pp. 48–49. ISBN 0-9524142-0-1.
  • Pritchard, D. B. (2007). "Classical Indian four-player games". In Beasley, John (ed.). The Classified Encyclopedia of Chess Variants. John Beasley. pp. 311–12. ISBN 978-0-9555168-0-1.
  • Schmittberger, R. Wayne (1992). New Rules for Classic Games. John Wiley & Sons Inc. pp. 99–103. ISBN 978-0471536215.
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