# Chess NNUE Distillation

Train a single linear layer on Stockfish's NNUE features.

## Quick Start

```bash
cd python
source .venv/bin/activate
pip install torch --index-url https://download.pytorch.org/whl/cu121
pip install numpy python-chess tqdm matplotlib h5py joblib pytest
python train_full.py
```

## Architecture

- Input: 61,072 features (352 HalfKAv2_hm + 60,720 FullThreats)
- Output: 1 scalar (centipawns)
- Optimizer: Adam (lr=1e-3, wd=1e-4)