Grob's Attack report from your own games
The wildest opening on the board. Find out if 1.g4 is a weapon or a blunder.
Free • Instant Analysis • Works with any Chess.com username
What we analyze in your Grob's Attack games
Your success in creating chaos and surprise
Your Bg2 pressure utilization
Your win rate vs. unprepared opponents
Your compensation when refuted with best play
Your transition to playable middlegames
Main Line
Key Positions to Know
Critical concepts every Grob's Attack player should understand
1.g4: Immediate Kingside Space
With 1.g4, White immediately grabs kingside space — a move that violates every opening principle. The idea is to follow up with Bg2, h3, and d3, building a unique setup. Against unprepared opponents, the chaos this creates is worth more than the theoretical disadvantage.
The Bg2 Fianchetto
After 1.g4 d5 2.Bg2, White's bishop controls the long diagonal h1-a8. Combined with h3 to prevent ...Bg4 pin, White builds a unique fortress. The plan is to play d3, Nd2 or Nc3, and eventually e4 to challenge Black's center from an unexpected angle.
The Chaos Factor
The Grob's greatest weapon is psychological: most opponents don't know what to do and try to refute it immediately, creating unbalanced positions where White's preparation wins. The key is to understand your own setup better than your opponent understands it — position knowledge beats theory here.
Common Grob's Attack patterns we detect
We automatically check if you fall for these specific traps.
About Grob's Attack
Grob's Attack (1.g4) is one of the most unconventional openings in chess. White immediately grabs kingside space against all opening principles. After 1...d5, White plays 2.Bg2 and 3.h3, building a unique setup. At the club level it creates chaotic positions that are difficult to handle without preparation.
We track your success rate in positions arising from 1.g4, identify when the unorthodox approach creates real problems for opponents, and when it backfires.
Frequently Asked Questions
Common questions about Grob's Attack analysis
Explore Related Openings
Analyze other openings similar to the Grob's Attack
Nimzo-Larsen Attack
The eccentric 1.b3. See if your long-diagonal pressure translates into wins.
Polish Opening
The Orangutan: 1.b4. See if your flank strategy confuses opponents enough to win.
Bird's Opening
Aggressive flank opening. See if your kingside attack succeeds.
How valuable was this analysis?
Ready to master your openings?
Get a complete breakdown of your play across all openings, not just the Grob's Attack.
No credit card required • Works with Chess.com