# Project origin and Kinglet development

Kinglet Chess was built on [LLM Chess Arena by DeadPackets](https://github.com/DeadPackets/LLMChessArena), published under the MIT license.

The original copyright notice, Copyright (c) 2026 DeadPackets, and the full MIT license are preserved in `KINGLET-MIT.txt` for the inherited parts. That filename is retained for compatibility; it contains the original project's notice.

Kinglet is developed independently. The original arena for chess games with language models has evolved into a substantially redesigned application for learning and playing chess, with its own interface, lessons and puzzles, a tutor, local Stockfish computation in the browser, personal accounts and games between people.

This acknowledgment describes the application’s origin. It does not replace the corresponding source for the distributed Kinglet release or the separate license notices for Stockfish, python-chess and other dependencies. The browser source archive and the other source downloads are provided alongside the application on its Licenses & source code page.