One Million Chessboards
Published on: 2025-08-10 08:52:02
One Million Chessboards a million chessboards that anyone can play on Apr 28, 2025
I made a website. It’s called One Million Chessboards. It has one million chessboards on it.
Moving a piece moves it for everyone, instantly. There are no turns. You can move between boards.
Loading... moving some pieces
What
Well last year I made this game called One Million Checkboxes.
It was a pretty fun time! So I thought I’d do something like this again.
I worked really hard on this one. I hope you like it.
How
This was the most technically challenging thing that I’ve worked on in a long time. I’m going to save a full technical writeup until I see how my decisions pan out, since I think there’s a decent chance I’ll need to make a lot of changes.
But I’ll summarize a few things for you.
Unlike One Million Checkboxes, I designed this for scale
The game runs on a single server (!)
The board is stored fully in-memory; it’s a 2D array of 64 million uint64s
The backend is written in go. This
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