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Practice: Catalan with ...a6 (Keres Variation)

Slow expansion with a6

Black prepares ...b5 to challenge White's queenside, a system championed by Paul Keres. It leads to early queenside action with unbalanced pawn structures.

1. d4 Nf6
2. c4 e6
3. g3 d5
4. Bg2 Be7
5. Nf3 O-O
6. O-O a6
7. Qc2 b5
8. cxb5 axb5
9. Bf4 Bb7
10. Nc3 Nbd7
♟

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Key strategic ideas

  • The Bg2 bishop is the star of the Catalan — it pressures d5 and supports both central and queenside expansion.
  • White often recaptures on c4 with the bishop (Bxc4) in the Open Catalan, keeping the diagonal open.
  • The Catalan is ideal for players who prefer long-term positional pressure over immediate tactics.

Common mistakes & traps

  • In the Open Catalan (4...dxc4 5.Bg2), Black should not try to cling to the c4 pawn with ...b5 — White plays a4 and the queenside becomes a target.
  • A common Catalan trap: 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.g3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Qa4!, winning the pawn back immediately.

Pawn structure notes

The Catalan often features an isolated queen pawn for Black (after ...dxc4 and ...c5) or a symmetrical structure with White having the bishop pair. The g2 bishop is the key piece, influencing the centre from afar.

Tips

  • The Keres Variation aims for ...b5 counterplay before White can consolidate on the queenside
  • After 8.Qxc4, White has won the pawn back but Black has active bishops
  • The resulting positions are dynamic and require precise calculation from both sides

About this line

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