Community variant
Enneachess
A 9x9 variant of chess where the white side has a general (centaur) and the black side has an archbishop.
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: king (k), queen (q), rook (r), bishop (b), knight (n), pawn (p), archbishop (a) and general (g).
Promotion
- The pieces that can promote are: pawn (p).
- Promotion choices are both sides: general (g), archbishop (a), queen (q), rook (r), knight (n) and bishop (b).
Fairy-Stockfish rules
[enneachess_v2:chess]
maxRank = 9
maxFile = 9
centaur = g
archbishop = a
promotionPieceTypes = gaqrnb
startFen = rnbakqnbr/ppppppppp/9/9/9/9/9/PPPPPPPPP/RBNQKGBNR w KQ - 0 1