Chaturaji
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| Chaturaji, starting position. Pieces with different colors (some shown as inverted) were used for each of four sides. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Chaturaji (means "four kings", also known as "Choupat", IAST Caupāṭ, IPA: [ca:upa:ʈ]) is a four player version of Chaturanga. It was first described in detail circa 1030 by Biruni in his India book.[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 as of the end of the 19th century.
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[edit] History
The ancient Indian epic Mahabharata contains a reference to a game, which could be Chaturaji:[2]
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.
However, there is no certainty whether the mentioned game is really a chess-like game like Chaturaji, or a race game like Pachisi.
Captain Cox and professor Forbes put forth a theory (the Cox-Forbes theory), that Chaturaji is a predecessor of Chaturanga and hence the ancestor of modern chess. An even stronger version of this theory was put forward by Prof. Stewart Culin.[3] However, this theory was rejected by Murray.[1]
[edit] Rules
The game is played with pieces of four different colors. The king, rook (called chariot) and knight (called horse) move as in chess. The pawn also moves as in chess, but doesn't have the option of an initial double-square move. Also, the pawn's promotion rules are different.
The bishop was called boat in this game. It moves diagonally, jumping one square (see movement diagram for alfil in Shatranj). When a boat moves in such a way that a 2x2 square filled with boats is formed, it captures all three boats of other players (see diagram). This rule is called boat triumph.
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| Boat triumph rule. White boat c3 can capture all other boats by moving to e5. All boats shown belong to different players. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
On each turn two dice are thrown. Usually oblong (four sided) stick dice were used. Players were allowed to throw the dice in the air and catch them, exercising some control over the outcome. However playing with cubic dice is also possible. Pieces to be moved are determined by dice numbers (note that the stick dice didn't have 1 and 6):
- 1 or 5 - pawn or king
- 2 - boat
- 3 - knight
- 4 or 6 - elephant
On each turn two moves may be made, one for each die. The same or two different pieces may be moved, and the player may skip one or both of his moves if desired.
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:
- pawn - 1
- boat - 2
- knight - 3
- elephant - 4
- king - 5.
A score of 54 points is awarded to a player who manages to capture all three opponents' kings while his own king remains on the board. This value is a sum of points of all pieces in three armies.
[edit] References
- ^ a b Murray, H.J.R. (1913). A History of Chess. Benjamin Press (originally published by Oxford University Press). ISBN 0-936-317-01-9.
- ^ Mahabharata, Book 4, Section 1
- ^ Four-Handed Chaturanga by Jean-Louis Cazaux.
[edit] Further reading
- D.B. Pritchard (1994). The Encyclopedia of Chess Variants (p. 48-49). ISBN 0-9524142-0-1.
[edit] External links
- Chaturanga for four players by Hans Bodlaender.
- Chaturaji software, including multi-media encyclopedia with Cox-Forbes theory.
- 4-handed Chaturanga with dice implementation for Zillions of Games.
