Zeta v099o released as source and Linux/Windows x86-64 binary, still with HCE, handcrafted eval, the next step would be to implement NNUE neural networks.

GitHub:

https://github.com/smatovic/Zeta/releases

Alternative downloads:

https://zeta-chess.app26.de/downloads/

Please consider the README file or --help option before running the engine.

From the release notes:

Zeta (099o) alpha

  * switch to 64-bit Kogge-Stone, generalized and vectorized, move gen again
  * removed ABDADA parallel search
* activated RMO parallel search
* switch to MIT license
* * Zeta 099o on Intel HD 530, 1 worker, ~30 Knps * Zeta 099o on Intel HD 530, 24 workers, ~550 Knps * Zeta 099o on Nvidia GeForce GTX 750, 1 worker, ~50 Knps * Zeta 099o on Nvidia GeForce GTX 750, 16 workers, ~850 Knps * Zeta 099o on AMD Radeon HD 8570, 1 worker, ~22 Knps * Zeta 099o on AMD Radeon HD 8570, 48 workers, ~900 Knps -- Srdja Matovic 28 May 2022