Hippopotamus Attack Formation

In the opening book this is the Formation: Hippopotamus Attack.

The book line for Formation: Hippopotamus Attack is a3, e5, b3, d5, c3, Nf6, d3, Nc6. This page collects the 1 named lines under that variation.

1 named lines · ECO A00

Play the line

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Formation: Hippopotamus Attack

Play the next move in the line.

  1. a3
  2. e5
  3. b3
  4. d5
  5. c3
  6. Nf6
  7. d3
  8. Nc6
  9. e3
  10. Bd6
  11. f3
  12. O-O
  13. g3

Moves in the main line

  1. White pawn moves from a2 to a3.
  2. Black pawn moves from e7 to e5.
  3. White pawn moves from b2 to b3.
  4. Black pawn moves from d7 to d5.
  5. White pawn moves from c2 to c3.
  6. Black knight moves from g8 to f6.
  7. White pawn moves from d2 to d3.
  8. Black knight moves from b8 to c6.
  9. White pawn moves from e2 to e3.
  10. Black bishop moves from f8 to d6.
  11. White pawn moves from f2 to f3.
  12. Black castles kingside.
  13. White pawn moves from g2 to g3.

Named lines

  • Formation: Hippopotamus Attack (A00) 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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