Community variant

Janus Chess

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 generated overview is based on the available catalogue metadata and may omit details that are only present in Fairy-Stockfish's built-in implementation.

Uploaded by: Fairy-Stockfish
Visibility: public
Status: active

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

Default starting position

Pieces and movement

The piece set used on the board is: king (k), queen (q), rook (r), bishop (b), knight (n), pawn (p) and piece (j).

Promotion

The pieces that can promote are: pawn (p).

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.

Archbishop movement

BN

move capture move or capture initial only hopper target