Author - Martin Sedlak
v.4.48:
9-bit fixed point (16-bit weights and biases), faster inference, new bigger NN, 4 billion selfplay, new topo: 736-576*2-1
more tactical search at the cost of some elo loss:
dropped recapture extensions
reenabled fractional plies
relaxed singular margin
more check extensions in scout nodes
SEE pruning
bench 10044316
Cheng 4.47 engine results with other engines:
| Caissa 1.18 | 0.5/9 | -8 | 9 Games |
| Alexandria 6.1.0 | 1/8 | -6 | 8 Games |
| Cadie 1.7 | 7/7 | +7 | 7 Games |
| Critter 1.6a | 4.5/7 | +2 | 7 Games |
| Berserk 13 | 1/7 | -5 | 7 Games |
| Saturn 1.2 | 4/6 | +2 | 6 Games |
| MrBob 1.3.0 | 2/6 | -2 | 6 Games |
| Akimbo 1.0.0 | 1.5/6 | -3 | 6 Games |
| Stellar 1.4.0 | 5/5 | +5 | 5 Games |
| MIDA 2.3.1 | 4.5/5 | +4 | 5 Games |
| Motor 0.3.0 | 2.5/5 | +0 | 5 Games |
| Jet 1.2 | 2.5/5 | +0 | 5 Games |
| CorChess 20240331 | 1/5 | -3 | 5 Games |
| Stockfish 20240330 Ivec | 1/5 | -3 | 5 Games |
| Brainlearn 28 | 0.5/5 | -4 | 5 Games |
| HypnoS 030424 | 0/5 | -5 | 5 Games |
| Midnight 9 | 2/4 | +0 | 4 Games |
| Fire 9.3 | 2/4 | +0 | 4 Games |
| DanaSah 9.1 | 1.5/4 | -1 | 4 Games |
| Rebel 16.3 | 1/4 | -2 | 4 Games |
| ShashChess 35 | 0.5/4 | -3 | 4 Games |
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