v1.0.42
NNUE Net Trained on 3x More Data
+215 ± 17 Elo vs v1.0.40 (2000 games, 1+0.1 TC)
Changes
- NNUE net retrained on 635M Stockfish depth-9 positions (up from 204M in v1.0.40)
- Same architecture: Chess768 → 256×2 → 1, SCReLU, i16 quantization
- 600 superbatches with AdamW, cosine LR decay, WDL proportion 0.75
Match Results
v1.0.42 vs v1.0.40: 1418W - 319L - 263D (2000 games)
Score: 0.775 | Elo: +215 ± 17 | Draw ratio: 13.2%
Cumulative Improvement
- v1.0.40 was +65 Elo vs HCE (v1.0.39)
- v1.0.42 is +215 Elo vs v1.0.40
- Estimated ~+280 Elo over hand-crafted evaluation