Community variant
steward chess beta
Double royal variant without check, similar to chaturanga. Resign when losing both royal pieces (steward and king) to play right.
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 `shatranj` and overrides the settings shown below.
Board and setup
Pieces and movement
- The piece set used on the board is: King. (k), Rook (r), Pawn (p), Chevalier (c), Mammoth (m) and Steward (s).
- Mammoth (m) is a custom piece with Betza movement `mWnA`.
- Chevalier (c) is a custom piece with Betza movement `NmF`.
- Steward (s) is a custom piece with Betza movement `mDW`.
- King. (k) is a custom piece with Betza movement `FW`.
Promotion
- The pieces that can promote are: Pawn (p).
- Promotion choices are both sides: Mammoth (m), Chevalier (c), Rook (r) and Steward (s).
- The number of promoted pieces of some types is limited.
Winning and losing
- An extinction rule is active: reaching 0 remaining piece(s) KS causes a win for the side to move.
- Stalemate is scored as a loss for the side to move.
Draws and adjudication
- There is no automatic n-move/50-move draw rule.
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.
mWnA
NmF
mDW
FW
move
capture
move or capture
initial only
hopper target
Fairy-Stockfish rules
[steward_chess_beta:shatranj]
#Startpos
startFen = rcmksmcr/pppppppp/8/8/8/8/PPPPPPPP/RCMKSMCR w - 0 1
#Mammoth
customPiece1 = M:mWnA
#Chevalier
customPiece2 = C:NmF
#Steward
customPiece3 = S:mDW
#King
customPiece4 = K:FW
#Promotion
promotionPieceTypes = mcrs
promotionLimit = s:1
#Goal
extinctionPieceTypes = KS
extinctionValue = win
king = -
stalemateValue = loss
nMoveRule = 0