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Rules

De Vasa's chess is a hexagonal chess variant played on a 81 hexagonal cells board.

Initial setup

The board is made up with 9 diagonal files ('a' to 'i') of 9 cells.

Each player commands 18 pieces

Pieces moves

The King

The Queen

The Bishop

The Rook

The Knight

The Pawn

Moves 1 step forward to an adjacent cell (2 steps possible if first move)

Captures forward in diagonal i.e. similar color cell (see red circles below).

Features

2 steps move for pawns (start): yes.

"En passant" capture: yes.

Stalemate is not a draw but is counted less than checkmate.

Castling: yes.

Credits

Rules by E. de Vasa.

Jocly implementation