Chess engines are a good reference for this. The decision-making part is a CLI that plugs into a GUI like WinBoard[0] or Arena[1]. There’s a protocol the engine and GUI follow, such as the WinBoard or UCI[2] protocols, which just exchange text commands via STDIN/STDOUT. The main challenges are the same problems you’d run into with multithreading, like deadlock where the GUI and CLI are both waiting on the other.... - Source: Hacker News / 6 months ago

Edit - I'll add a very complex idea: an AI-powered tool that analyzes a position as a person would, using natural language to explain positional and long-term ideas, not pointing out simple tactics. decodechess.com has tried this but it's not there yet. Source: 7 months ago

It's not a free app, but they provide a demo that shows the main features: https://decodechess.com/. Source: about 1 year ago

Instead I'd play real people and use something like decodechess.com or just the analysis board. Source: over 1 year ago

You could try Decode Chess, that will analyse one game per day for free, and explains the effects of each move in a lot more detail than the chess.com game review. Source: over 1 year ago

A couple of sources I've found that is helpful are Learning Chess and Decode Chess, because they offer solid analysis and evaluations telling you why one move is better than the other, helping you understand the reason behind the moves. Source: over 1 year ago