Community variant
Rush for the Hills
Promote a knight and get to the Hills!!
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 `chess` and overrides the settings shown below.
Board and setup
Pieces and movement
- The piece set used on the board is: queen (q), rook (r), bishop (b), pawn (p) and knight (n).
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).
- Promotion choices are both sides: knight (n), bishop (b), rook (r) and queen (q).
Winning and losing
- A flag/goal-zone win is active for piece(s) n.
Fairy-Stockfish rules
[rushfrthehills:chess]
maxRank = 10
maxFile = 8
# Remove the king as a piece type entirely.
king = -
castling = false
# Override the inherited chess pieceToCharTable, dropping the K/k slot
# (replaced with '.') since no piece occupies it anymore.
# Original: PNBRQ................Kpnbrq................k
pieceToCharTable = PNBRQ................pnbrq................
# Two real queens per side (just the existing queen piece placed twice),
# no other new piece types.
startFen = rbbqqbbr/pppppppp/8/**6/1*6/1*6/**6/8/PPPPPPPP/RBBQQBBR w - - 0 1
promotionPieceTypes = nbrq
promotionRegionWhite = *10
promotionRegionBlack = *1
flagPiece = n
flagRegionWhite = a5 a6
flagRegionBlack = a5 a6
# Optional fallback: since there's no royal piece and no checkmate,
# uncomment this if you want a loss condition for being fully wiped out.
# extinctionValue = loss
# extinctionPieceTypes = *