https://github.com/lichess-org/dartchess

Dart chess library for native platforms
https://github.com/lichess-org/dartchess

dart flutter

Last synced: about 8 hours ago
JSON representation

Dart chess library for native platforms

• Host: GitHub
• URL: https://github.com/lichess-org/dartchess
• Owner: lichess-org
• License: gpl-3.0
• Created: 2022-07-20T09:06:55.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2024-10-16T08:26:49.000Z (about 1 month ago)
• Last Synced: 2024-10-17T22:43:42.993Z (about 1 month ago)
• Topics: dart, flutter
• Language: Dart
• Homepage: https://pub.dev/packages/dartchess
• Size: 1010 KB
• Stars: 35
• Watchers: 5
• Forks: 18
• Open Issues: 7
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

Awesome Lists containing this project

README

        
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

```dart

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