H. G. Muller wrote on Mon, Nov 25, 2019 09:49 AM UTC:
For the second, I would be grateful if you, Fergus, HG or anyone else tell me of any program (preferable of chess or chessvariants) that I could download.
There is Fairy-Stockfish, which is very much worth having. But it is not an independent app that goes accompanied with an installer. Just something you unzip in a folder of your choice, after which you have to point WinBoard to the executable through the Load Engine dialog, so that it can use it as an engine.
The same holds for Nebiyu, which is not as strong as Stockfish, but rather easy to configure for playing new chess variants.
There is Fairy-Stockfish, which is very much worth having. But it is not an independent app that goes accompanied with an installer. Just something you unzip in a folder of your choice, after which you have to point WinBoard to the executable through the Load Engine dialog, so that it can use it as an engine.
The same holds for Nebiyu, which is not as strong as Stockfish, but rather easy to configure for playing new chess variants.