Grob Opening A00
A — Flank openings · Family: Grob Opening
1. g4
The Grob Opening is catalogued under the ECO code A00. Its main line runs 1. g4.
After 1 half-moves the diagrammed position is reached and it is Black to move. Material is balanced.
This encyclopedia records 20 variations inside the “Grob Opening” family — compare the branching lines in the tree below.
Play through the moves on the board above, explore the variations tree below — click any move of any branch — then test yourself against the engine from the position you picked.
- Position after 1 half-moves — Black to move.
- Material is balanced.
- Family “Grob Opening” contains 20 recorded variation(s) here.
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.
Variations of this family
| Name | ECO | Main line length |
|---|---|---|
| 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: Grob Gambit Declined | A00 | 4 plies |
| Grob Opening: Grob Gambit, Basman Gambit | A00 | 5 plies |
| Grob Opening: Grob Gambit, Fritz Gambit | A00 | 5 plies |
| Grob Opening: Grob Gambit, Fritz Gambit, Romford Countergambit | A00 | 10 plies |
| Grob Opening: Grob Gambit, Keres Gambit | A00 | 7 plies |
| Grob Opening: Grob Gambit, Richter-Grob Gambit | A00 | 7 plies |
| Grob Opening: Keene Defense | A00 | 6 plies |
| Grob Opening: Keene Defense, Main Line | A00 | 12 plies |
Related openings
Nearby ECO codes in the A — Flank openings volume — compare the move orders: