Fairy-Stockfish variant file for Hopper Race.

hopper_race.ini

[hopperrace]
maxRank = 8
maxFile = 8
gold = g
silver = s
queen = f  # flag piece used for mandatory promotion
customPiece1 = l:mfFmfWmgQ  # non-capturing hopper
customPiece2 = p:fFmfW      # breakthrough pawn
startFen = 1slggls1/8/1pppppp1/8/8/1PPPPPP1/8/1SLGGLS1 w - - 0 1
extinctionValue = loss
extinctionPieceTypes = l
promotionPieceTypes = -
promotedPieceType = p:f l:f
promotionRegionWhite = *8
promotionRegionBlack = *1
mandatoryPiecePromotion = true
flagPiece = f
flagRegionWhite = *8
flagRegionBlack = *1
flagMove = false
stalemateValue = loss