Community variant

ultra finale v9-fairy.10 v2

the biggest combat you have ever seen

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: virajtheking
Visibility: public
Status: active

Generated rule overview

This variant inherits its base rules from `fairy` 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), custom piece 2 (m) and custom piece 1 (d).
custom piece 1 (d) is a custom piece with Betza movement `RBN0C0Z0G0`.
custom piece 2 (m) is a custom piece with Betza movement `RBN`.

Move rules

Pawn double-step moves are enabled.

Promotion

The pieces that can promote are: pawn (p).
Promotion choices are both sides: custom piece 2 (m), knight (n), bishop (b), rook (r) and custom piece 1 (d).

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 (D) movement

RBN0C0Z0G0

Custom piece 2 (M) movement

RBN

move capture move or capture initial only hopper target

Fairy-Stockfish rules

[ultrafinalev10_v6_v2:fairy]
# pychessPieces = m
variantTemplate = fairy
maxFile = 10
maxRank = 10

# Bind 'm' to your Amazon rules so it forces the built-in Amazon Crown artwork
amazon = m

# Keep your custom ultimate sliding rules mapped onto the 'u' slot
customPiece1 = d:RBN0C0Z0G0
customPiece2 = m:RBN

# FEN Layout: Files c and f use 'm/M' for Amazons. File j uses 'u/U' for Ultimates.
startFen = rnbqkmrnbd/pppppppppp/10/10/10/10/10/10/PPPPPPPPPP/RNBQKMRNBD w KQkq - 0 1

# Game rules and pawn promotion paths (Amazon, Knight, Bishop, Rook)
doubleStep = true
promotionPieceTypes = mnbrd