A00
Formation: Hippopotamus Attack
1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g3
The Formation: Hippopotamus Attack is a chess opening classified under ECO code A00. It is reached after the moves 1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g3.
It belongs to the Formation family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
Play the Formation: Hippopotamus Attack? See where you go wrong.
Deepline reviews your real games, finds the exact moves that cost you, and trains the fixes.
Analyze my games free →