Community variant
Pwned
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) and custom piece 1 (x).
- custom piece 1 (x) is a custom piece with Betza movement `mfWPRcfcFB`.
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.
mfWPRcfcFB
move
capture
move or capture
initial only
hopper target
Fairy-Stockfish rules
[pwned:chess]
maxFile = 8
maxRank = 8
# Redefine the pwn (x) using custom Betza notation:
# 'm' defines standard forward movement
# 'c' defines the independent diagonal/side capture rules
customPiece1 = x:mfWPRcfcFB
startFen = rnbqkbnr/pppppppp/8/8/8/8/XXXXXXXX/RNBQKBNR w KQkq - 0 1