Dart chess library for native platforms with an immutable API.

Features

• Read and write FEN
• Chess rules:
  • move making
  • legal moves generation
  • game end and outcome
  • insufficient material
  • setup validation
• Chess960 support
• Chess variants: Atomic
• Attacks and rays using hyperbola quintessence
• Immutability: all the classes are immutable.

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 code was heavily inspired from:

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