The Grob Opening: What It Is and How to Use It in Chess

June 30, 2026

Chess openings: What is the Grob Opening?

Ready to add a new opening to your arsenal? Check out the Grob Opening!

Learning openings requires understanding chess notation, the system for naming pieces and moves. Get a refresher on chess notation here!

The Grob Opening, also known as Grob’s Attack, is named after Swiss chess player Henri Grob. It’s an unconventional flank opening, meaning it begins with a flank (side) pawn move instead of a center pawn move.
This opening is considered unsound and is often regarded as one of the worst possible starting moves for White. It breaks common opening principles by voluntarily opening up the kingside on move 1, which reduces White’s king safety and ability to castle kingside.
It can occasionally work due to its shock value, as opponents may underestimate it and play carelessly, but it relies heavily on them falling victim to traps. Because of this, the Grob is not recommended for beginners or serious tournament play.

Here is the move for the Grob Opening:

The Grob is a daring, eccentric opening that will likely take your opponent by surprise, though it isn’t a good choice for tournament games.

If you’re looking for more openings, check out our guide featuring over 30 options for every skill level!