@ymir-js/chess

Chess for ymir-js: every rule (castling, en passant, promotion, mate, stalemate, draws), FEN / SAN / UCI / PGN, move generation verified with perft, and a small built-in engine.

npm install @ymir-js/chess

import { ChessGame } from '@ymir-js/chess';

const game = new ChessGame();
game.move('e4');
game.getBestMove({ depth: 3 }); // the engine's reply
game.fen();

Docs: Chess · Play the demo

All of ymir-js is also available as one package: npm install ymir-js.

MIT License