Masonic chess

Board characteristics

The Masonic board cells are slightly rectangular, and indentation of alternating ranks results in cants (oblique files) 30° from the vertical and diagonals 30° from the horizontal, the same as hexagon-based chessboards when cell vertices face the players. (For example, rooks have six directions of movement, and Masonic pawns move and capture the same as pawns in De Vasa's hexagonal chess. Masonic bishops, however, are limited to the four diagonal directions to the sides.) As with hex-based boards, three colors are used, so no two adjacent cells are the same color, and gameboard diagonals are highlighted.

Game rules

The diagram shows the starting setup. All normal chess rules apply, including conventions for castling either or , a pawn's initial two-step option, en passant captures, promotion, and so on, but the pieces have specially defined moves.

Piece moves

• A rook moves along the rank (two directions) and cants (four directions).
• A bishop moves on diagonals to the sides (four directions), or one step as a rook (six directions).
• The queen moves as a rook and bishop. (Ten directions.)
• The king moves one step as a queen.
• A knight moves in the pattern: one step as a rook, then one step diagonally in the same (forward, backward, or sideways) direction. A knight leaps any intervening men.
• A pawn moves one step forward as a rook; on its first move it may optionally move two steps forward in the same direction. A pawn captures one step diagonally forward; en passant captures are permitted.

Piece moves illustrated

References

Bibliography

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References

1. (June 1991). "A Panorama of Chess Variants". Michael Keller.