Community variant

QuickerUpper

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: Orca
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), pawn (p) and custom piece 1 (c).
custom piece 1 (c) is a custom piece with Betza movement `mfDWcfF`.

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 (C) movement

mfDWcfF

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[quickerpawns:chess]
maxFile = 8
maxRank = 8

# THE SECRET IMPOSTER PAWN
# 'mfD' = moves exactly 2 squares forward (leaping over the 1st square)
# 'cfF' = captures exactly 1 square diagonally forward (normal pawn capture)
customPiece1 = c:mfDWcfF

# THE SETUP
# White gets the standard 'P' pawns.
# Black gets the custom 'c' imposter pawns. 
startFen = rnbqkbnr/cccccccc/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1