Chess engine: Obsidian dev-14.13 SE

Obsidian, an UCI chess engine written in c++

Rating Chess Engines Diary CEDR=3740

v.14.13 SE:

Bonus for check and discovered check

Elo   | 1.46 +- 1.30 (95%)

SPRT  | 10.0+0.10s Threads=1 Hash=16MB

LLR   | 2.20 (-2.25, 2.89) [0.00, 2.00]

Games | N: 69526 W: 16789 L: 16496 D: 36241

Penta | [143, 8075, 18057, 8322, 166]

Bench 3376934

Obsidian 14 vs - other engines:

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.

Obsidian dev-14.13 SE download