1. d4 f5
2. c4 Nf6
3. Nc3 e6
4. g3 Be7
5. Bg2 O-O
6. Nf3

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Key strategic ideas

  • Black plays 1...f5, immediately staking a claim on the kingside. This creates an unbalanced game where Black attacks on the king's side of the board.
  • The key pawn moves for Black are ...e5 (fighting for the centre) and ...g5 (pushing White's pieces back). Both create attacking chances.
  • White often plays g3 and Bg2 to control e4, then expands on the queenside. Black attacks on the kingside. It is often a race.

Common mistakes & traps

  • The Staunton Gambit (2.e4!?) is a sharp attempt to blow open the centre. If Black accepts with 2...fxe4 3.Nc3 Nf6 4.Bg5, the black king can get stuck in the centre.
  • In the Leningrad setup (g3, Bg2, then ...d5 and ...c6), Black must not push ...g5 too early. White can respond with h4 and the attack turns against Black.

Pawn structure notes

Black has a solid e6-d5-c6 chain with f5 as the defining feature. The f5 pawn controls e4 and supports a kingside attack. White aims for the e4 break to undermine Black's centre.

Tips

  • Black delays ...d5 to keep options open - can choose Stonewall or Leningrad later
  • The Be7 is a solid but modest piece placement that ensures king safety first
  • Flexible and practical - good for players who want to decide the structure based on White's play

About this line

This line is rated intermediate. Practice it repeatedly until you can play the entire sequence without thinking. The in-app trainer tracks your perfect streaks and celebrates milestones.