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Shatranj at-Tamma (Decimal Chess, Complete Chess)




Western Asia


Shatranj at-Tamma is a game described in several manuscripts from the Medieval Islamic world. It is played similarly to Shatranj, with a 10x10 board and an extra piece, the Dabbaba.


10x10 board. The pieces move as follows, with the number per player: 1 x Shah (king): moves one space orthogonally or diagonally. 1 x Fers (counselor): One square diagonally. 2 x Rukh (rook): Any number of spaces orthogonally. 2x Dabbaba: move one space orthogonally or diagonally. 2 x Pil (elephant): Two squares diagonally, jumping over the first. Cannot capture another Pil. 2 x Asb (horse): Moves as a chess knight. 10 x Sarbaz (soldier): Moves one space forward orthogonally; one space forward diagonally to capture. No en passant. Sarbaz begins in the third rank, and is promoted to Fers when reaching the eighth rank, only if the Fers has been captured. Otherwise, the other player captures it. No castling. Stalemate results in win for player causing it. The player who checkmates the king wins.

Murray 1913: 341-342.


Murray 1913: 341-342.

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de Somogyi, J. 1959. " The Arabic Chess Manuscripts in the Johbn Rylands Library." Bulletin of the John Rylands Library 41(2): 430-455.

Murray, H. J. R. 1913. A History of Chess. London: Oxford University Press.



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