Community variant
Pacifist
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) and pawn (p).
- The royal piece king (k) uses custom Betza movement `mK`.
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.
mK
move
capture
move or capture
initial only
hopper target
Fairy-Stockfish rules
[pacifist_king:chess]
maxFile = 8
maxRank = 8
# OVERWRITE THE KING
# We assign the standard 'k' character to the king slot.
# The magic is in 'mK':
# 'm' means move. 'K' means King.
# Because we didn't include 'c' (capture), the King cannot take anything!
king = k:mK
# Standard starting position
startFen = rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1