Community variant

Lion chess

Lion replace queen.

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.

Uploaded by: Le_kw
Visibility: public
Status: active

Generated rule overview

This variant inherits its base rules from `chess` and overrides the settings shown below.

Board and setup

Default starting position

Pieces and movement

The piece set used on the board is: king (k), rook (r), bishop (b), knight (n), pawn (p) and custom piece 1 (l).
custom piece 1 (l) is a custom piece with Betza movement `KADN`.

Promotion

The pieces that can promote are: pawn (p).
Promotion choices are both sides: knight (n), bishop (b), rook (r) and custom piece 1 (l).

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.

Custom piece 1 (L) movement

KADN

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[lionchess:chess]
customPiece1 = l:KADN
startFen = rnblkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBLKBNR w KQkq - 0 1
promotionPieceTypes = nbrl