Blunder alert

I don't have any illusions that my understanding of chess is perfect or anything like that. It's just that I have to work on relatively simple mistakes. When I can lower the percentage of such mistakes then things are going to be much better - Magnus Carlsen

A mistake is more than just a silly oversight. It's often the evidence of a shortcoming in your thinking process. There was something you should've thought about, but for some reason, you didn't  - Louis Holzhausen – Chessfox.com

In this position Black plays … Ra7 threatening … Ra1+

🤔 Why is this a mistake ?  Play

😥 Video - Heartbreaking blunder (3:02 min)

👍 Chess books: The Gambit Book of Instructive Chess Puzzles