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
#chessenginesdiary
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 0.9.2 | 8/18 | -2 | 18 games |
| Berserk 14 | 8.5/16 | +1 | 16 games |
| Alexandria 9.0.0 JA | 8/16 | +0 | 16 games |
| Cinder 0.5.2 | 8/16 | +0 | 16 games |
| Stormphrax 8.0.0 | 8/16 | +0 | 16 games |
| PlentyChess 8.0.0 JA | 7.5/16 | -1 | 16 games |
| Viridithas 20.0.0 | 7.5/16 | -1 | 16 games |
| Reckless 0.10.0 | 7/16 | -2 | 16 games |
| Pawnocchio 3.0-dev-1bca805 | 7/14 | +0 | 14 games |
| Coda 0.9.0 | 6.5/14 | -1 | 14 games |
| Icarus 1.1.1 | 5.5/14 | -3 | 14 games |
| Admete 1.9.0 JA | 12/12 | +12 | 12 games |
| Rebel 16.5 | 7.5/12 | +3 | 12 games |
| Triumviratus 5.1 | 5.5/12 | -1 | 12 games |
| Pawnocchio 2.0.1 | 5.5/12 | -1 | 12 games |
| Stockfish dev-20260706 | 5/12 | -2 | 12 games |
| Raid 7.3 | 5/12 | -2 | 12 games |
| Hlamnick 120726 | 5/12 | -2 | 12 games |
| Stockfish 18 | 5/10 | +0 | 10 games |
| Rebel 16.5 EP-479 King Space | 5.5/8 | +3 | 8 games |
| Arasan 26.0 | 5/8 | +2 | 8 games |
All version: https://github.com/KierenP/Halogen/releases/tag/latest
Our social media:
#Halogen
#chess

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