Lux 5.0 - new version chess engine

Lux - UCI chess engine  Rating CEDR=2675

Lux - is the chess engine dev's Library of Alexandria. Definitely go check it out.

Libraries 
Chess package for C++: https://github.com/Disservin/chess-library

Lux 5.0 what's new?

Update ratings 7/14/2024 by @Sidhant-Roymoulik in #10

Update ratings 7/11/2025 by @Sidhant-Roymoulik in #12

feat: add evaluation benchmarking functionality and refactor uci_loop… by @Sidhant-Roymoulik in #13

tune eval using lichess-big3-resolved by @Sidhant-Roymoulik in #14

Chore/upgrade chess library by @Sidhant-Roymoulik in #15

Fix/pv truncation draw conditions by @Sidhant-Roymoulik in #16

fix: MSYS2 build environment for make dev and binary execution by @Sidhant-Roymoulik in #17

Fix/crashes and timeouts by @Sidhant-Roymoulik in #18

Feature/enable spsa tuning by @Sidhant-Roymoulik in #19

Lux 4.2 vs other engines:

Lishex 1.1.1	3/6	+0	6 games
Apotheosis 4.0.1	2.5/6	-1	6 games
Spaghet BologNNese 1.0	0/6	-6	6 games
Casanchess 0.8 JA	3/5	+1	5 games
Luna 2.0.0	2.5/5	+0	5 games
Patricia 2.0.1	0.5/5	-4	5 games
Shallow 5	0.5/5	-4	5 games
Orion 1.0	0/5	-5	5 games
Lynx 1.4.0	2.5/4	+1	4 games
Supernova 2.4	2.5/4	+1	4 games
Devel 4.0.2.3	1/4	-2	4 games
Inanis 1.2.1	1/4	-2	4 games
Lambergar 0.5.2	1/4	-2	4 games
Simbelmyne 1.10.0	0.5/4	-3	4 games
OliThink 5.10.5	0.5/4	-3	4 games
Journeyman 2.1	0.5/4	-3	4 games
Wize 1.0	0.5/4	-3	4 games
Weiawaga 5.0 JA	0.5/4	-3	4 games
Rengar 2.1.1	0.5/4	-3	4 games
Vengeance 3.0.0	0/4	-4	4 games
Cadie 1.7	0/4	-4	4 games

Lux 5.0 download