Community variant

KingPawn

pawn=king

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: tea_drunk
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 custom piece 1 (m).
custom piece 1 (m) is a custom piece with Betza movement `WF`.

Promotion

Promotion choices are both sides: custom piece 1 (m).

Piece movement

These diagrams show custom pieces and known Fairy-Stockfish built-in fairy pieces from White's perspective on a compact preview board. Some special moves, especially hoppers and game-state-dependent moves, can still depend on blockers or game state.

Custom piece 1 (M) movement

WF

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[kingpawn:chess]

pieceDrops = false

customPiece1 = M:WF

startFen = rnbqkbnr/mmmmmmmm/8/8/8/8/MMMMMMMM/RNBQKBNR w KQkq - 0 1

pieceToCharTable = PNBRQKMpnbrqkm

promotionPieceTypes = M