Community variant
Roawn and Bishawn
ChessCraft Code: 6L2C
My Piece
This is a user-catalogued casual variant. Technical details such as board size, FEN, pieces, and hand rules are defined in the Fairy-Stockfish variants.ini block below.
Generated rule overview
This variant inherits its base rules from `chess` and overrides the settings shown below.
Board and setup
Pieces and movement
- The piece set used on the board is: King (k), Queen (q), Rook (r), Bishop (b), Knight (n), Pawn (p), Roawn (w) and Bishawn (i).
- Bishawn (i) is a custom piece with Betza movement `BfmW2`.
- Roawn (w) is a custom piece with Betza movement `RfcFfmW2`.
Promotion
- Promotions are available in the configured promotion zones. The the promotion region for White is all squares on rank 8 and the promotion region for Black is all squares on rank 1.
- The pieces that can promote are: Pawn (p).
- Promotion choices are both sides: Queen (q), Knight (n), Bishop (b) and Rook (r).
Piece movement
These diagrams show custom pieces and known Fairy-Stockfish built-in fairy pieces from White's perspective on a compact preview board. Some special moves, especially hoppers and game-state-dependent moves, can still depend on blockers or game state.
BfmW2
RfcFfmW2
move
capture
move or capture
initial only
hopper target
Fairy-Stockfish rules
[roawn-bishawn:chess]
customPiece1 = i:BfmW2
customPiece2 = w:RfcFfmW2
maxFile = 8
maxRank = 8
promotionRegionWhite = *8
promotionRegionBlack = *1
doubleStepRegionWhite = *2
doubleStepRegionBlack = *7
startFen = wniqkbnr/pppppppp/8/8/8/8/PPPPPPPP/WNIQKBNR w KQkq - 0 1
castlingRookPieces = R W
promotionPieceTypes = Q N B R