Community variant

Atomic makruk

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: Chesstester
Visibility: public
Status: active

Generated rule overview

This variant inherits its base rules from `atomic` 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), custom piece 1 (q), rook (r), custom piece 2 (b), knight (n) and pawn (p).
custom piece 1 (q) is a custom piece with Betza movement `F`.
custom piece 2 (b) is a custom piece with Betza movement `FfW`.

Move rules

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

Promotion

Promotions are available in the configured promotion zones. The the promotion region for White is all the ranks from 6 to 8 and the promotion region for Black is all the ranks from 1 to 3.
The pieces that can promote are: pawn (p).
Promotion choices are both sides: custom piece 1 (q).

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 (Q) movement

F

Custom piece 2 (B) movement

FfW

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[atomicmakruk:atomic]
customPiece1 = q:F
customPiece2 = b:FfW
castling = false
doubleStep = false
promotionPieceTypes = q
promotionRegionWhite = *6 *7 *8
promotionRegionBlack = *1 *2 *3
startFen = rnbqkbnr/8/pppppppp/8/8/PPPPPPPP/8/RNBQKBNR w - - 0 1