dartchess 0.4.0

Provides chess and chess variants rules and operations including chess move generation, read and write FEN, read and write PGN.

Chess and chess variant rules written in dart for native platforms (does not support web).

Features

• Completely immutable Position class
• Read and write FEN
• Read and write SAN
• Chess rules:
  • move making
  • legal moves generation
  • game end and outcome
  • insufficient material
  • setup validation
• Chess960 support
• Chess variants: Antichess, Atomic, Crazyhouse, KingOfTheHill, ThreeCheck
• PGN parser and writer
• Bitboards
• Attacks and rays using hyperbola quintessence

Example

import 'package:dartchess/dartchess.dart';

final pos = Chess.fromSetup(Setup.parseFen('r1bqkbnr/ppp2Qpp/2np4/4p3/2B1P3/8/PPPP1PPP/RNB1K1NR b KQkq - 0 4'));
assert(pos.isCheckmate == true);

Additional information

This package was heavily inspired from:

• https://github.com/niklasf/chessops
• https://github.com/niklasf/shakmaty