Halogen 16.8.0 - pre-release version chess engine

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Halogen - UCI chess engine. The engine is constantly being developed by the author, and the latest stable version has risen to 18th place in the CEDR rankings. 

Rank Player Rating Games W-D-L Opp Avg
1 Stockfish 18 JA 3842.2 1,754 235-1488-31 3770.9
2 Reckless 0.10.0 15.4.26 3832.2 246 19-218-9 3807.7
3 Integral 7 dev.322b JA 3820.2 275 107-163-5 3565.9
4 PlentyChess 8.0.0 3817.0 536 56-471-9 3764.4
5 Obsidian 16.15 SE 3811.9 2,238 192-1997-49 3774.2
6 Torch 4 3811.7 170 26-144-0 3699.4
7 Coda 0.9.0 3808.2 385 61-313-11 3725.0
8 Pawnocchio 2.0 d.a8f09e7 3799.7 136 11-122-3 3765.4
9 Alexandria 9.0.0 JA 3794.1 2,170 168-1924-78 3770.3
10 Dragon 3.3 3792.4 2,329 246-1980-103 3757.2
11 Stormphrax 8.0.0 3787.3 948 47-867-34 3780.6
12 Berserk 14 JA 3784.8 697 81-598-18 3734.4
13 Astra 7.0 JA 3784.7 224 32-191-1 3704.3
14 Cinder 0.5.0 3784.1 304 8-285-11 3791.2
15 Viridithas 19.0.1 3780.0 1,666 131-1438-97 3769.0
16 Raphael 4.3.0 3777.3 186 16-165-5 3743.6
17 Triumviratus 6.0 3772.4 250 20-223-7 3744.4
18 Halogen 16.5.0 3769.6 910 80-788-42 3745.6
19 Hobbes 3.0 3769.3 296 23-262-11 3748.4
20 Clover 9.1 3767.4 276 43-217-16 3709.8

We will be testing this version soon.
Author: Kieren Pearson  Rating Chess Engines Diary CEDR=3802

Halogen 16.7.12 what's new?

- Remove unused ContinuationHistory::cont_hist_depth constant
- Collapse the eight promotion cases in apply_move via a promo_type cast
- Share castle-rights key logic between apply_move and get_fifty_move_adj_key_after
- Reduce the dead king-bucket lazy-update branch to an assert
- Rename assets/LICENCE to assets/LICENSE

Bench: 6926560

Halogen 16.7.12 vs other engines:

Coda 0.9.28/18-218 games
Berserk 148.5/16+116 games
Alexandria 9.0.0 JA8/16+016 games
Cinder 0.5.28/16+016 games
Stormphrax 8.0.08/16+016 games
PlentyChess 8.0.0 JA7.5/16-116 games
Viridithas 20.0.07.5/16-116 games
Reckless 0.10.07/16-216 games
Pawnocchio 3.0-dev-1bca8057/14+014 games
Coda 0.9.06.5/14-114 games
Icarus 1.1.15.5/14-314 games
Admete 1.9.0 JA12/12+1212 games
Rebel 16.57.5/12+312 games
Triumviratus 5.15.5/12-112 games
Pawnocchio 2.0.15.5/12-112 games
Stockfish dev-202607065/12-212 games
Raid 7.35/12-212 games
Hlamnick 1207265/12-212 games
Stockfish 185/10+010 games
Rebel 16.5 EP-479 King Space 5.5/8+38 games
Arasan 26.05/8+28 games



All version: https://github.com/KierenP/Halogen/releases/tag/latest

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