Today I’d like to share with you the most common chess opening mistake ever. This opening error has been played in more than 2.4 millions of chess games!

You will learn how to avoid making this opening mistake yourself and how to punish your opponents when they make this most common opening mistake.

It happens in one of the most common chess opening positions after the moves 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4. It also happens in other openings – therefore, you simply have to remember this key, common tactical pattern to punish this blunder!

You can find the PGN of these games below: