Grob Opening — opening family
20 catalogued lines · ECO A00–A00
The shortest catalogued line of the family runs 1. g4 — the position below. The continuation chips count how many catalogued lines extend this head with each next move; explore the full tree below and play any branch against the engine.
Variations tree of the Grob Opening family
Click any move to jump to that position; switch branches at any point with the alternative moves. Test your knowledge plays the shown position against the engine.
Start
Main continuations
All 20 lines
| Name | ECO | Main line length |
|---|---|---|
| Grob Opening | A00 | 1 plies |
| Grob Opening: Alessi Gambit | A00 | 2 plies |
| Grob Opening: Double Grob | A00 | 2 plies |
| Grob Opening: Double Grob, Coca-Cola Gambit | A00 | 3 plies |
| Grob Opening: Grob Gambit | A00 | 3 plies |
| Grob Opening: London Defense | A00 | 4 plies |
| Grob Opening: Grob Gambit Declined | A00 | 4 plies |
| Grob Opening: Spike Attack | A00 | 5 plies |
| Grob Opening: Spike, Hurst Attack | A00 | 5 plies |
| Grob Opening: Grob Gambit, Fritz Gambit | A00 | 5 plies |
| Grob Opening: Grob Gambit, Basman Gambit | A00 | 5 plies |
| Grob Opening: Zilbermints Gambit | A00 | 5 plies |
| Grob Opening: Keene Defense | A00 | 6 plies |
| Grob Opening: Romford Countergambit | A00 | 6 plies |
| Grob Opening: Zilbermints Gambit, Schiller Defense | A00 | 6 plies |
| Grob Opening: Grob Gambit, Keres Gambit | A00 | 7 plies |
| Grob Opening: Grob Gambit, Richter-Grob Gambit | A00 | 7 plies |
| Grob Opening: Zilbermints Gambit, Zilbermints-Hartlaub Gambit | A00 | 7 plies |
| Grob Opening: Grob Gambit, Fritz Gambit, Romford Countergambit | A00 | 10 plies |
| Grob Opening: Keene Defense, Main Line | A00 | 12 plies |