Does anyone know what solo chess is?

What is it?

Solo Chess is a fun and challenging single-player game that lets you engage with chess pieces in a unique way, without strictly following traditional chess rules. Instead of competing against an opponent, you play alone using your knowledge of how chess pieces move to solve puzzles.

~Google

You must capture your pieces and pieces can't only take 2 times

Playing against yourself like Bobby Fischer

Solo chess is a type of chess where you capture your own pieces. It's a great way improve your vision of the position.

It's really fun when it works. It used to be really buggy - pieces would get stuck in mid-move. I hope they've fixed that.

Solo chess rules: All of your moves must be captures. Pieces cannot capture more than twice. If there is a king on the board, the king must be the last one.

Or just don't read this and look at the solo chess rules on chess.com

you try to capture all your pieces until theres only one piece left

one piece can only capture two times

https://www.chess.com/solo-chess