TalkChess.com

Hello,

https://sourceforge.net/projects/relaxchess/ - after downloading the trial version, license key and name are required (GreKo and SF engine is included).
Perhaps an obsolete edition.

Norbert

There is no need to search for ancient versions of RelaxChess game, RelaxChess is written in 100% by me starting with version 0. All You need to play RelaxChess game are two links one at for Java version and https://www.microsoft.com/en-us/p/relax ... f45rd240hn for Microsoft version using UWP technology.
Ryszard(Richard) Rusinkiewicz