Chess

Chess-related stuff in Raku

PGN Grammar

use Chess::PGN;
say Chess::PGN.parse: "1. f3 e5 2. g4?? Qh4#";

FEN Grammar

use Chess::FEN;
say Chess::FEN.parse('rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1');

See the wikipedia article about FEN for more information.

General utilities

use Chess;
show-FEN 'rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 0 1';