Add OpenEnv-compatible RL environment with HuggingFace Space #40
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luccabb
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Jan 22, 2026
luccabb
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- Add moonfish.rl module with ChessEnvironment for RL training
- FastAPI server with /reset, /step, /state, /engine-move endpoints
- Web UI to play against Moonfish in the browser
- Cerebellum opening book integration
- Deploy to HuggingFace Spaces: huggingface.co/spaces/luccabb/moonfish_chess
- Update README with Play Online link and RL documentation
- Add [rl] optional dependencies to pyproject.toml
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This adds a chess reinforcement learning environment following the OpenEnv interface pattern, with both local and HTTP client-server modes. Features: - ChessEnvironment class with configurable rewards, opponents, and game limits - FastAPI server with REST endpoints (/reset, /step, /state, /engine-move) - HTTP client for remote environment access - Web UI for playing against the engine - HuggingFace Spaces deployment configuration (Dockerfile, openenv.yaml) - Example training scripts for local and remote usage Also includes: - mypy configuration for optional RL dependencies - Import formatting fixes for ufmt compliance
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