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dartchess

Published by 🇫🇷lichess.org · v0.13.1 · released 3 months ago · GPL-3.0 License

First published 3 years ago.

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

View on pub.dev View source
#752 in Utilities #4305 overall androidioswindowslinuxmacos
Downloads / day
93
as of 2026-08-23
GitHub stars
52
★ refreshed weekly
Likes
12
on pub.dev
Pub points
160 / 160
perfect score
2026-07-24 2026-08-23

Repository health

Last commit
1 month ago
Commit activity
Open issues
3
Open PRs
2
Contributors
9 (top contributor 64%)
CI
GitHub Actions
License (repo)

Last refreshed 21 days ago.

License explained · GPL-3.0

GNU General Public License v3.0

Strong copyleft. Use commercially. Any larger work that includes this code must also be open-sourced under GPL.

Permissions of this strong copyleft license are conditioned on making available complete source code of licensed works and modifications, which include larger works using a licensed work, under the same license.

You can

  • Commercial use
  • Distribution
  • Modification
  • Patent use
  • Private use

You must

  • Disclose source
  • Include the license and copyright notice
  • Larger work must use the same license
  • State significant changes

The license does not

  • No liability
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

dartchess

39 commits in the past year
Stable
15 8 0 52w ago36w ago18w agothis week
Weekly average
0.8 commits
Busiest week
11 commits, 10 weeks ago
Active weeks
9 of 52 (17%)
Longest quiet stretch
26 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How dartchess compares in Utilities

Top of the Utilities leaderboard, with dartchess highlighted.

Rank Package Downloads / day Stars Likes
#1
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🇩🇰 yuli.dev
428K ★ 457 2.7K
#2
meta
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425.3K ★ 11.2K 477
#3
archive
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419.7K ★ 465 901
#4
built_value
🇺🇸 google.dev
419.3K ★ 885 780
#752
dartchess
lichess.org
93 ★ 52 12