I fixed some issues in Zeta Dva and Zeta, source code and binaries are online again

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

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

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

I lost the source of Zeta Vintage, and an attempt to do an rewrite in C showed again that the 6502 processor should really be programmed in assembly, so a rewrite in 6502 assembly is still on my bucket list...

https://github.com/smatovic/ZetaVintage

Alternative downloads:

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