Avalanche Chess Engines

Avalanche Chess Engine v1.3.1 x64    Enjoy!!

https://workupload.com/file/zh5AuEbkFTq

v2.0.0 Latest
Version 2.0.0 Update

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.

Again, thanks for the continued support for Avalanche!




https://github.com/SnowballSH/Avalanche/releases/download/v2.0.0/Avalanche-2.0.0-x86_64-win-v1.exe

https://github.com/SnowballSH/Avalanche/releases/download/v2.0.0/Avalanche-2.0.0-x86_64-win-v2.exe

https://github.com/SnowballSH/Avalanche/releases/download/v2.0.0/Avalanche-2.0.0-x86_64-win-v3.exe

https://github.com/SnowballSH/Avalanche/releases/download/v2.0.0/Avalanche-2.0.0-x86_64-win-v4.exe