Anonymous
Community variant

Wolf 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 documentation block below mirrors the relevant built-in settings for the generated overview and movement diagrams.
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.

Some options are still shown in technical form because they do not yet have friendly wording.

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), Nightrider (n), pawn (p), Fox (f), Wolf (w), Sergeant (s) and piece (+p).
  • Sergeant (s) is a custom piece with Betza movement `fKifmnD`.
  • Nightrider (n) is a custom piece with Betza movement `NN`.
  • Elephant (e) is a custom piece with Betza movement `NNQ`.

Move rules

  • Castling is not allowed.

Promotion

  • Promotions are available in the configured promotion zones. The the promotion region for White is all squares on rank 10 and the promotion region for Black is all squares on rank 1.
  • The pieces that can promote are: pawn (p) and Sergeant (s).
  • Promotion choices are both sides: queen (q), Wolf (w), Fox (f), rook (r) and bishop (b).
  • Fixed promotion mappings: p promotes to e.
Other technical options
  • mainPromotionPawnType is set to p. mainPromotionPawnType = 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.

Sergeant (S) movement
Sergeant (S) movementS
fKifmnD
Nightrider (N) movement
Nightrider (N) movementN
NN
Elephant (E) movement
Elephant (E) movementE
NNQ
Wolf (W) movement
Wolf (W) movementW
RN
Fox (F) movement
Fox (F) movementF
BN
move capture move or capture initial only hopper target

Fairy-Stockfish rule documentation

[wolf]
maxRank = 10
knight = -
chancellor = w
archbishop = f
customPiece1 = s:fKifmnD
customPiece2 = n:NN
customPiece3 = e:NNQ
mainPromotionPawnType = p
promotionPawnTypes = p s
promotionPieceTypes = q w f r b
promotedPieceType = p:e
promotionRegionWhite = *10
promotionRegionBlack = *1
doubleStepRegionWhite = *2 b3 c3 f3 g3
doubleStepRegionBlack = *9 b8 c8 f8 g8
enPassantTypes = p
nMoveRuleTypes = p s
castling = false