Anonymous
Community variant

Royal Party

All pieces move like a king, except for the queen, which moves only like a king. Pawns promote to a "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
Videocatter
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 positionRNBQKBNRPPPPPPPPPPPPPPPPRNBQKBNR
Default starting position

Pieces and movement

  • The piece set used on the board is: king (k), custom piece 4 (q), custom piece 1 (r), custom piece 2 (b), custom piece 3 (n) and pawn (p).
  • custom piece 1 (r) is a custom piece with Betza movement `R+F`.
  • custom piece 2 (b) is a custom piece with Betza movement `B+W`.
  • custom piece 3 (n) is a custom piece with Betza movement `N+K`.
  • custom piece 4 (q) is a custom piece with Betza movement `K`.

Promotion

  • The pieces that can promote are: pawn (p).
  • Promotion choices are both sides: custom piece 4 (q).

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 (R) movement
Custom piece 1 (R) movementR
R+F
Custom piece 2 (B) movement
Custom piece 2 (B) movementB
B+W
Custom piece 3 (N) movement
Custom piece 3 (N) movementN
N+K
Custom piece 4 (Q) movement
Custom piece 4 (Q) movementQ
K
move capture move or capture initial only hopper target

Fairy-Stockfish rules

[royal_party_:chess]
customPiece1 = r:R+F
customPiece2 = b:B+W
customPiece3 = n:N+K
customPiece4 = q:K
promotionPieceTypes = q
castlingRookPieces = r