The Gleam Chess Tournament

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April 28, 2025

Gleam Chess x CodeCrafters

Hey folks!

I hope the bot writing is going well. I just wanted to drop you a quick email with a couple of updates, particularly around submitting your Gleam chess bot for the competition.

Specifically, submissions will now be happening through CodeCrafters. They’ve very kindly put together two new challenges on their site to support the competition - one for bots running on the Erlang target, and another for bots running on JavaScript.

If you’ve not used CodeCrafters before, essentially, it’s an online platform for learning intermediate-to-advanced software engineering concepts by recreating popular software like SQLite, Redis and Kafka.

When you start a CodeCrafters challenge, you’ll get access to a special Git repo, and when you push code to that repo, the CodeCrafters Git server will run tests against your submission, allowing you to progress to the next stage of the challenge.

For the purposes of the chess bot tournament, the challenges test your bot against a number of boards to ensure you produce valid moves. You can submit your bot by completing stage 5 (which just requires you to fill out a markdown file with your entry details), and I’ll be given access to your bot once the tournament has ended, so you won’t need to do anything else!

You can keep pushing updates up to the deadline, of course, and I’ll test against the most recent commit pushed before the competition reaches its end.

Check out the CodeCrafters challenges here:

  • Erlang
  • JavaScript

If you’re not already signed up to CodeCrafters, you should be! You can get 40% off (and support me and the competition!) by clicking here.

Good luck!

Isaac x

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