Parity Chess

This page contains one or more presets for playing a game online with Game Courier, an online server for playing Chess variants by correspondence.

Parity Chess is chess on a 12x8 board with Champions and FADs added. Below is a link to play on Game Courier.

Setup

Rules

The Champion is a triple compound piece that moves like a wazir (one square orthogonally, that is by rank or file) or like an alfil (i.e. leaps 2 squares diagonally), or like a dabbabah (i.e. leaps 2 squares orthogonally).

The FAD is a triple compound piece that moves like a ferz (one square diagonally) or like an alfil (i.e. leaps 2 squares diagonally) or like a dabbabah (i.e. leaps 2 squares orthogonally).

The castling rules for Parity Chess are as follows: A king that has never moved, and is not in check, can 'leap' once a game, along the first rank, to any unattacked empty square between it and an unmoved rook, followed by said rook 'leaping' to the king's initial square so as to complete castling in one single move. It does not matter if any squares in between are occupied or under attack.

Threefold repetition of position or stalemate is a draw as in standard chess, and the 50 move rule is also in effect in Parity Chess (i.e. game drawn if no captures or pawn moves have been made before 50 consecutive moves by both sides). Pawns move as in chess, and can promote to any piece type included in the setup, except for a king.

Last revised by Kevin Pacey.