One Million Chessboards is a multiplayer game where one million chessboards are hosted on a website, allowing anyone to move pieces in real-time without turns. Developed by Nolen Royalty, it runs on a single server using Go as the backend, with the boards stored in-memory. The innovative architecture includes optimized state management, client zone grouping, and Cloudflare caching to handle moves efficiently. The project saw 1.3 million moves and 400 concurrent users shortly after launch.
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