Normal chess puzzles teach you tactics, but no matter how many I do, I still make bad moves.

I made a site that rates every move in a position with Stockfish (a chess engine, stronger than every human) to give you feedback. Hopefully doing enough of these will reduce the likelihood of catastrophic blunders in real games.

Still a work in progress, and more game modes to come, but hopefully it's fun for any chess players out there. Feel free to ask me questions and I'll reply in the comments.