Community variant

Mandala

Twin Leaper Kings, Leapers that can move to any of the 16 squares, and Shogi Pawns whose promotion is Campmate.

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: Snowmoondaphne
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: shogi pawn (r), custom piece 4 (b), custom piece 2 (f), custom piece 1 (l), custom piece 3 (g) and custom piece 5 (j).
custom piece 1 (l) is a custom piece with Betza movement `NAD`.
custom piece 2 (f) is a custom piece with Betza movement `ZAD`.
custom piece 3 (g) is a custom piece with Betza movement `NC`.
custom piece 4 (b) is a custom piece with Betza movement `ZC`.
custom piece 5 (j) is a custom piece with Betza movement `FWGH`.

Move rules

Castling is not allowed.
Pawn double-step moves are disabled.
A piece may not move to a square where it would have no legal future movement.

Drops and hands

Pieces in hand can be dropped back onto the board. Droppable pieces are: shogi pawn (r), custom piece 4 (b), custom piece 2 (f), custom piece 1 (l), custom piece 3 (g) and custom piece 5 (j).
Captured pieces go to the capturer's hand.
Drops of shogi pawn (r) are restricted on files that already contain 1 such piece(s).

Promotion

Promotions are available in the configured promotion zones. The the promotion region for White is all squares on rank 10 and the promotion region for Black is all squares on rank 1.
The pieces that can promote are: shogi pawn (r).
Promotion choices are both sides: no pieces.
Fixed promotion mappings: r promotes to c.
Piece promotion is mandatory where promotion is legal.

Winning and losing

An extinction rule is active: reaching 1 remaining piece(s) j causes a loss for the side to move.
A flag/goal-zone win is active for piece(s) c.
Stalemate is scored as a loss for the side to move.

Draws and adjudication

There is no automatic n-move/50-move draw rule.
Position repetition is adjudicated after 3-fold repetition as a loss for the side to move.

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 (L) movement

NAD

Custom piece 2 (F) movement

ZAD

Custom piece 3 (G) movement

NC

Custom piece 4 (B) movement

ZC

Custom piece 5 (J) movement

FWGH

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[mandala]
variantTemplate = shogi
maxRank = 10
maxFile = 10
pocketSize = 6
pieceDrops = true
capturesToHand = true
shogiPawn = r
customPiece1 = l:NAD
customPiece2 = f:ZAD
customPiece3 = g:NC
customPiece4 = b:ZC
customPiece5 = j:FWGH
immobile = c
startFen = flgbjjbglf/10/rrrrrrrrrr/10/10/10/10/RRRRRRRRRR/10/FLGBJJBGLF[] w - - 0 1
doubleStep = false
castling = false
dropNoDoubled = r
immobilityIllegal = true
promotionRegionWhite = *10
promotionRegionBlack = *1
promotionPieceTypes = -
promotedPieceType = r:c
mandatoryPiecePromotion = true
extinctionValue = loss
extinctionPieceTypes = j
extinctionPseudoRoyal = true
extinctionPieceCount = 1
flagPiece = c
flagRegionWhite = *10
flagRegionBlack = *1
nFoldRule = 3
nMoveRule = 0
nFoldValue = loss
stalemateValue = loss