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This release includes an original, updated & improved NNUE evaluation module
+65 in 10000 ultra-fast (1000ms+100ms) self-play games vs kobra 2.0.exe
| VERSION | RATING | GAMES | WIN | DRAW | LOSS | WIN% | ELO | ERR | LOS |
| kobra 2.1 | 3148 | 10000 | +3433 | =4960 | -1607 | 59.1% | +65 | +/-3 | 100.0% |
| kobra 2.0 | 3083 | 10000 | +1607 | =4960 | -3433 | 40.9% | -65 | +/-3 | 0.0% |
This ultra-fast testing result likely indicates a strength improvement of ~40 Elo in longer time controls.
A fast optimized avx2 binary with embedded NNUE for Windows is available below.