Community variant
Delta Chess
A simple complex chess-like game
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 is defined directly from a Fairy-Stockfish rule block. The text below is generated from the available configuration and may omit details that are only implicit in piece movement notation.
Board and setup
Pieces and movement
- The piece set used on the board is: Enthas (e), Farena (f), Gand (g) and Din (d).
- Din (d) is a custom piece with Betza movement `WF`.
- Enthas (e) is a custom piece with Betza movement `DA`.
- Farena (f) is a custom piece with Betza movement `BW`.
- Gand (g) is a custom piece with Betza movement `RF`.
Move rules
- Castling is not allowed.
- Pawn double-step moves are disabled.
Winning and losing
- Stalemate is scored as a draw.
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.
WF
DA
BW
RF
move
capture
move or capture
initial only
hopper target
Fairy-Stockfish rules
[deltachess]
customPiece1 = d:WF
customPiece2 = e:DA
customPiece3 = f:BW
customPiece4 = g:RF
maxRank = 6
maxFile = 6
startFen = gfeefg/dddddd/6/6/DDDDDD/GFEEFG w - - 0 1
doubleStep = false
castling = false
stalemateValue = draw
extinctionPieceTypes = *