Community variant

8x9 chess

Chess on a 8x9 board.

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.

Uploaded by: zhangsean
Visibility: public
Status: active

Generated rule overview

This variant inherits its base rules from `chess` and overrides the settings shown below.

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), knight (n) and pawn (p).

Promotion

Promotions are available in the configured promotion zones. The the promotion region for White is all squares on rank 9 and the promotion region for Black is all squares on rank 1.

Fairy-Stockfish rules

[eightxnine_chess:chess]
variantTemplate = chess
maxRank = 9
maxFile = 8
pawn = p
knight = n
bishop = b
rook = r
queen = q
king = k
startFen = rnbqkbnr/pppppppp/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 1
promotionRegionWhite = *9
promotionRegionBlack = *1
doubleStepRegionWhite = *2
doubleStepRegionBlack = *8
castlingRank = 1