How do you C++ code a program to read online chess game content

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for us to do it all for you.

So we need you to do the work, and we will help you when you get stuck. That doesn't mean we will give you a step by step solution you can hand in!
Start by explaining where you are at the moment, and what the next step in the process is. Then tell us what you have tried to get that next step working, and what happened when you did.

If you are having problems getting started at all, then this may help: How to Write Code to Solve a Problem, A Beginner's Guide[^]

It's very unlikely you're going to find an answer to this online. It's too specialized of a problem. It isn't even clear what you want to do. Do you want to read opening lines on an online site so that your program can use them?

If you have no idea where to start with this, you need to acquire more experience before taking on something this challenging.