Community variant

All Promote v2

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: King_Keeg
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 8 and the promotion region for Black is all squares on rank 1.
The pieces that can promote are: pawn (p), knight (n), bishop (b), rook (r) and queen (q).
Promotion choices are both sides: knight (n), bishop (b), rook (r) and queen (q).

Fairy-Stockfish rules

[allpromote_v2:chess]
# 1. Allow all of White's non-king pieces (p, n, b, r, q) to promote
promotionPawnTypesWhite = pnbrq

# 2. Keep Black restricted to standard pawn-only promotion
promotionPawnTypesBlack = pnbrq

# 3. Restrict promotion to the final rank for each side
promotionRegionWhite = *8
promotionRegionBlack = *1

# 4. Available promotion choices (Knight, Bishop, Rook, Queen)
promotionPieceTypes = nbrq

# 5. Standard starting position
startFen = rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1