Formation
The Formation (ECO A00) is a chess opening that begins 1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g3.
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The main line
The Formation is reached by 1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g3 (ECO A00). It's one of 2 named lines under this opening in the book.
Named variations (1)
- Shy Attack —
1. a3 e5 2. g3 d5 3. Bg2 Nf6 4. d3 Nc6 5. Nd2 Bd6 6. e3 O-O 7. h3(A00)
Analyze the Formation
Play through this opening on the free analysis board, or review one of your own gamesto see how accurately you handled it — every move classified, with the engine's best line on each mistake.
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