Community variant
Jeson Mor
Fairy-Stockfish built-in variant exposed as a casual community variant.
References:
Wikipedia
This is a curated Fairy-Stockfish built-in variant. Gameplay uses Fairy-Stockfish's canonical built-in definition.
The documentation block below mirrors the relevant built-in settings for the generated overview and movement diagrams.
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: knight (n).
Move rules
- Castling is not allowed.
- Pawn double-step moves are disabled.
Winning and losing
- A flag/goal-zone win is active for piece(s) n.
- Stalemate is scored as a loss for the side to move.
Draws and adjudication
- The n-move rule is set to 50 moves.
- Position repetition is adjudicated after 3-fold repetition as a draw.
Fairy-Stockfish rule documentation
[jesonmor]
maxRank = 9
maxFile = 9
pawn = -
knight = n
bishop = -
rook = -
queen = -
king = -
doubleStep = false
castling = false
stalemateValue = loss
flagPiece = n
flagRegionWhite = e5
flagRegionBlack = e5
# A knight on e5 wins after surviving the opponent's reply.
flagMove = true
nFoldRule = 3
nMoveRule = 50