Community variant

GuerrilaChess

Black has normal army without pawns but White has defensive walls along with only a single amazon..

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: Hailstorm
Visibility: public
Status: active

Generated rule overview

This variant inherits its base rules from `mansindam` 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), custom piece 1 (a) and immobile piece (w).
custom piece 1 (a) is a custom piece with Betza movement `QN`.

Move rules

Castling is not allowed.
Pawn double-step moves are enabled.

Drops and hands

Pieces in hand can be dropped back onto the board. Droppable pieces are: immobile piece (w).

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.
Promotion choices are both sides: queen (q), rook (r), bishop (b) and knight (n).

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 (A) movement

QN

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[chessgg:mansindam]

# 8x8
maxFile = 8
maxRank = 8

# Standard pieces
pawn = p
knight = n
bishop = b
rook = r
queen = q
king = k

# White special pieces
customPiece1 = A:QN     # Amazon: Queen + Knight compound
immobile = W            # Droppable Wall: cannot move once placed

pieceToCharTable = PNBRQKAWpnbrqkaw

# Override mansindam's inherited rule that blocks immobile-piece drops
immobilityIllegal = false

# Black: normal army, no pawns
# White: King + Amazon only, dense permanent wall network on ranks 1-4 dark squares,
# plus 8 droppable immobile walls in pocket
startFen = rnbqkbnr/8/8/8/1*1*1*1*/*1*1*1*1/1*1*1*1*/*1*K*A*1[WWWWWWWW] w - - 0 1

pieceDrops = true

castling = false
doubleStep = true
promotionRegionWhite = *8
promotionRegionBlack = *1
promotionPieceTypes = qrbn