Community variant

Simple Snails vs Fabulous FIDEs

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: XMaxNas60rX
Visibility: public
Status: active

Generated rule overview

This variant is defined directly from a Fairy-Stockfish rule block. The text below is generated from the available configuration and may omit details that are only implicit in piece movement notation.

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), Q53 (w), LR52 (t), LN59 (u), LB88 (v), RB88 (x), RN59 (y) and RR52 (z).
LR52 (t) is a custom piece with Betza movement `fWbFflBrffrNbblAbsHflG`.
LN59 (u) is a custom piece with Betza movement `fR4brFlfNfrblAfH`.
LB88 (v) is a custom piece with Betza movement `blB3fDrfNArH`.
Q53 (w) is a custom piece with Betza movement `bsWfbhNfAbsHbhsZ`.
RB88 (x) is a custom piece with Betza movement `brB3fDlfNAlH`.
RN59 (y) is a custom piece with Betza movement `fR4blFrfNflbrAfH`.
RR52 (z) is a custom piece with Betza movement `fWbFfrBlfflNbbrAbsHfrG`.

Move rules

Castling is allowed.

Promotion

The pieces that can promote are: pawn (p).
Promotion choices are White: LR52 (t), LN59 (u), LB88 (v), Q53 (w), RB88 (x), RN59 (y) and RR52 (z) and Black: 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.

LR52 (T) movement

fWbFflBrffrNbblAbsHflG

LN59 (U) movement

fR4brFlfNfrblAfH

LB88 (V) movement

blB3fDrfNArH

Q53 (W) movement

bsWfbhNfAbsHbhsZ

RB88 (X) movement

brB3fDlfNAlH

RN59 (Y) movement

fR4blFrfNflbrAfH

RR52 (Z) movement

fWbFfrBlfflNbbrAbsHfrG

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[simple_snails_vs_fabulous_fides]
pawn = p
knight = n
bishop = b
rook = r
king = k
queen = q
customPiece1 = t:fWbFflBrffrNbblAbsHflG
customPiece2 = u:fR4brFlfNfrblAfH
customPiece3 = v:blB3fDrfNArH
customPiece4 = w:bsWfbhNfAbsHbhsZ
customPiece5 = x:brB3fDlfNAlH
customPiece6 = y:fR4blFrfNflbrAfH
customPiece7 = z:fWbFfrBlfflNbbrAbsHfrG
startFen = rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/TUVWKXYZ w KQkq - 1 1
promotionPieceTypesWhite = tuvwxyz
promotionPieceTypesBlack = qrbn
castling = true
castlingRank = 1
castlingKingPiece = k
castlingRookPieces = rtz