Lizard - UCI chess engine and NNUE
Rating CEDR=3559
v.10.3:
Has some significant performance improvements, another large SPSA tune, and support for the Fischer random chess variant.
For the sake of my sanity (and because .NET can't/doesn't autovectorize NNUE code), this requires AVX2.
Picking a binary:
The Lizard-...-x64-aot binary will almost certainly be the fastest, but you might need to compile it yourself on your own hardware.
Otherwise, use the Lizard-...-x64-pext binary if you have a modern processor.
If you don't have PEXT, or have an AMD processor older than Zen 3, you should probably use the non-pext Lizard-...-x64 binary. It might be worth trying both though because of how different processors handle PEXT.
10+0.1:
Lizard 10.3 vs Lizard 10.2
Elo | 56.60 +- 11.21 (95%)
Conf | 10.0+0.10s Threads=1 Hash=16MB
Games | N: 2000 W: 702 L: 379 D: 919
60+0.6:
Lizard 10.3 vs Lizard 10.2
Elo | 46.80 +- 11.00 (95%)
Conf | 60.0+0.60s Threads=1 Hash=32MB
Games | N: 2062 W: 693 L: 417 D: 952
Lizard 10.2 - results:
| Alexandria 6.0 | 6/14 | -2 | 14 Games |
| Booot 7.3 | 7.5/12 | +3 | 12 Games |
| Caissa 1.17 | 4.5/12 | -3 | 12 Games |
| Tenax 0.9.5 | 6/10 | +2 | 10 Games |
| Altair 7.0.0 | 5.5/10 | +1 | 10 Games |
| Eman 9.90 | 2.5/9 | -4 | 9 Games |
| Peacekeeper 2.30 | 5/8 | +2 | 8 Games |
| Stormphrax 4.0.0 | 4.5/8 | +1 | 8 Games |
| Willow 4.0 | 4.5/8 | +1 | 8 Games |
| RofChade 3.1 | 4/8 | +0 | 8 Games |
| Clover 6.1 | 3.5/8 | -1 | 8 Games |
| Uralochka 3.41 dev1 | 3.5/8 | -1 | 8 Games |
| RubiChess 20240112 | 3.5/8 | -1 | 8 Games |
| ShashChess 34.6 | 3/8 | -2 | 8 Games |
| Obsidian 10.0 | 2.5/8 | -3 | 8 Games |
| Seer 2.8.0 | 2.5/8 | -3 | 8 Games |
| Berserk 12.1 | 2/8 | -4 | 8 Games |
| Ethereal 14.25 | 2/8 | -4 | 8 Games |
| Leorik 3.0 | 6/7 | +5 | 7 Games |
| Leptir 070224 | 3.5/7 | +0 | 7 Games |
| CorChess 20240209 | 2/7 | -3 | 7 Games |
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