Makruk rules and operations in TypeScript.

• Read and write FEN
• Vocabulary
  • Square
  • SquareSet (implemented as bitboards)
  • Color
  • Role (piece type)
  • Piece (Role and Color)
  • Board (map of piece positions)
  • Setup (a not necessarily legal position)
  • Position (base class for legal positions, Makruk is a concrete implementation)
• Attacks and rays using Hyperbola Quintessence (faster to initialize than Magic Bitboards)
• Read and write UCI move notation
• Read and write SAN
• Read and write PGN
  • Parser supports asynchronous streaming
  • Game tree model
  • Transform game tree to augment nodes with arbitrary user data
  • Parse comments with evaluations, clocks and shapes
• Transformations: Mirroring and rotating
• Compatibility: makrukground

import { parseFen } from 'makrukops/fen';
import { Makruk } from 'makrukops/makruk';

const setup = parseFen('rnsmksnr/8/pppppppp/8/8/PPPPPPPP/8/RNSKMSNR 2 - - 0 1').unwrap();
const pos = Makruk.fromSetup(setup).unwrap();
console.assert(pos.isLegal());

makrukops is licensed under the GNU General Public License 3 or any later version at your choice. See LICENSE.txt for details.