Avalanche - UCI (NNUE Chess Engine)
Author: SnowballSH Rating CEDR=3224
v.2.0.0:
The list of things changed along with test results can be found here
Improvements:
More efficient TT storage, using atomic ordering. Significant when Thread > 1.
New perspective-aware NNUE architecture. Current net is xuebeng, trained on 600 million net008b (which is trained on 200 million v1.5.0 data) data. (+~100 elo)
Numerous search improvements (+~25 elo)
Eval scalings (+~10 elo)
Bug fixes (+~15 elo)
Overall, v2.0.0 is around 140-180 elo stronger than 1.5.0 during self-play. Combining with tests against Defenchess 2.2 shows Avalanche 2.0.0 is around 3320-3370 in CCRL Blitz and 4CPU 40/15, and about 3240-3290 in 1CPU 40/15.
Since this version, I am including binaries from v1 to v4. "v3" is about equivalent for "haswell" in previous releases. If you have a newer CPU, please try "v4," and if it crashes then use "v3". "v3" is likely to work on most modern (post-2013) CPUs.
Rating CEDR progres - Avalanche
| Pl | Engine | Rating | Score | Games | % |
| 778 | Avalanche 1.5.0 | 3224.6 | 129.00 | 276 | 46.74 |
| 852 | Avalanche 1.3.1 | 3108.4 | 134.50 | 275 | 48.91 |
| 894 | Avalanche 1.3.0 | 3064.7 | 89.00 | 195 | 45.64 |
| 914 | Avalanche 1.2.0 | 3044.4 | 98.50 | 183 | 53.83 |
| 992 | Avalanche 1.1.0 | 2921.9 | 30.50 | 100 | 30.50 |
| 1076 | Avalanche 0.2.2 | 2777.9 | 2.50 | 26 | 9.62 |
| 1092 | Avalanche 0.3a | 2756.7 | 8.50 | 88 | 9.66 |
| 1605 | Avalanche 1.0.0 | 1623.3 | 0.00 | 16 | 0.00 |
Github:https://github.com/SnowballSH/Avalanche/releases/tag/v2.0.0
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