Author: Kieren Pearson Rating Chess Engines Diary CEDR=3420
v.12:
After a short break, Halogen is now under active development again.
Built from the ground up, Halogen now comes with a new network architecture which is eight times larger, significantly stronger, and trained completely from scratch using a novel application of Temporal Difference learning.
Along with that, Halogen has enhanced its search significantly with the addition of Singular Extensions, multiple rounds of SPSA tuning, and new thread voting model for SMP.
The strength improvements have resulted in a significant ELO gain, as well as an improved analysis mode. Halogen finds significantly more checkmates than before.
Single Thread
Elo | 137.47 +- 6.17 (95%)
Conf | 40.0+0.40s Threads=1 Hash=64MB
Games | N: 5026 W: 2092 L: 201 D: 2733
Penta | [2, 94, 848, 1149, 420]
http://chess.grantnet.us/test/37699/
Multi-thread
Elo | 183.42 +- 6.92 (95%)
Conf | 5.0+0.05s Threads=8 Hash=64MB
Games | N: 5000 W: 2587 L: 168 D: 2245
Penta | [1, 66, 580, 1219, 634]
http://chess.grantnet.us/test/37700/
Below are prebuild binaries for Windows and Linux platforms, for a variety of CPU architectures. Please select the most modern target for your architecture.
Halogen 11 results:
| Opponent | Score | +- | Games |
| Fisherov chess monk 1.2 | 3/26 | -20 | 26 Games |
| Koivisto 8.16 | 5/22 | -12 | 22 Games |
| Revenge 3.0 | 6.5/20 | -7 | 20 Games |
| Uralochka 3.38c | 6.5/18 | -5 | 18 Games |
| ProteusSF Piranha 220904 | 2/18 | -14 | 18 Games |
| Velvet 4.1.0 | 10.5/16 | +5 | 16 Games |
| Minic 3.30 | 5/16 | -6 | 16 Games |
| Berserk 10 | 5/16 | -6 | 16 Games |
| Seer 2.6.0 | 6/14 | -2 | 14 Games |
| RubiChess 20221001 | 3/14 | -8 | 14 Games |
| Defenchess 2.3 | 8.5/13 | +4 | 13 Games |
| Solista Attack 2 | 2/13 | -9 | 13 Games |
| Avalanche 2.1.0 | 7/12 | +2 | 12 Games |
| Caissa 1.3 | 6.5/12 | +1 | 12 Games |
| Gogobello 3.0 | 6.5/12 | +1 | 12 Games |
| Slowchess 2.9 | 5.5/12 | -1 | 12 Games |
| LTChess 9.3 | 5/12 | -2 | 12 Games |
| Counter 5.5 | 5/12 | -2 | 12 Games |
| Ethereal 13.88 | 2.5/12 | -7 | 12 Games |
| ShashChess 25 | 1/12 | -10 | 12 Games |
| BrainLearn 19 | 3/11 | -5 | 11 Games |
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