Obsidian, an UCI chess engine written in c++
Rating Chess Engines Diary CEDR=3741
v.14.05 SE:
Higher max contempt
Bench 3084378
Obsidian 14 - results:
| Opponent | Score | +- | Games |
| RubiChess 20240817 | 23/38 | +8 | 38 Games |
| Berserk 13 | 18.5/38 | -1 | 38 Games |
| Lizard 11.0.0 | 19/34 | +4 | 34 Games |
| Caissa 1.20 | 18.5/34 | +3 | 34 Games |
| Alexandria 7.0.0 | 17.5/34 | +1 | 34 Games |
| Dragon 3.3 | 16.5/34 | -1 | 34 Games |
| Viridithas 15.0.0 | 19/33 | +5 | 33 Games |
| PlentyChess 3.0.0 | 16.5/30 | +3 | 30 Games |
| Starzix 6.0 | 5/10 | +0 | 10 Games |
| Stockfish 17 | 4.5/10 | -1 | 10 Games |
| Alexander Santiago | 5.5/6 | +5 | 6 Games |
| Alexander 3.0 | 4/6 | +2 | 6 Games |
| Marauders 4.0 | 3/6 | +0 | 6 Games |
| Obsidian dev-13.27 SE | 3/6 | +0 | 6 Games |
| Big Yuli GM 221024 | 3/6 | +0 | 6 Games |
| CorChess 20241022 | 3/6 | +0 | 6 Games |
| ShashChess 37 | 3/6 | +0 | 6 Games |
| ShashChess Santiago | 2.5/6 | -1 | 6 Games |
| HypnoS 220824bis | 2.5/6 | -1 | 6 Games |
| Artemis 3TR | 2.5/6 | -1 | 6 Games |
| Stockfish 20241012 Ivec | 2.5/6 | -1 | 6 Games |
Neural network
Obsidian evaluates positions with a neural network trained on Lc0 data.
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