katrain

You can make KataGo play moves that keep the score roughly even since it has a trained score head, e.g. kataJigo [1]. This will keep the game even to your level, a nice way to train. [1] https://github.com/sanderland/katrain#ais

The open source clones of Alpha Go are my favorite AI sparring partners. There are several to choose from, and also several Go board applications. My favorite open source Alpha Go clone is Katago https://github.com/lightvector/KataGo. There are several different open source Go board/sgf editor applications on which to run Katago; I use several. KaTrain is my favorite: https://github.com/sanderland/katrain I also use sabaki: https://github.com/SabakiHQ/Sabaki/releases and q5Go: https://github.com/bernds/q5Go for batch review of Go games goreviewpartner is good: https://github.com/pnprog/goreviewpartner

There is a Go client that is distributed with Kata Go and was built for that purpose: https://github.com/sanderland/katrain and is distributed as a pip package, making it very frictionless to install. With a tool like this, instead of waiting for a Go pro to visit our local Go club to review our kifu, I can have my game reviewed move by move until the end (not only the first n moves). I can still have questions for pros, but they would be more specific. Now, playing a superhuman intelligence bot can be unfun. Now matter how much effort you put in a move, you will just keep making your outcome worse with every move. Another important use-case is that the AI can also tell you if a joseki is actually joseki, and how to refute a bad joseki move.