Queen's Indian Defence
1.d4 Nf6 2.c4 e6 3.Nf3 b6
A patient, deeply strategic answer to 1.d4: Black says you can have the big centre - I will surround it. With ...b6 and a fianchetto of the queen's bishop, Black clamps down on the light squares, fights for e4 and the long diagonal, and keeps a famously flexible, hard-to-crack position prized at world-championship level.
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What it does
After 1.d4 Nf6 2.c4 e6 3.Nf3, Black plays 3...b6 to fianchetto the queen's bishop. From b7 it eyes the long a8-h1 diagonal and contests e4; the modern 4...Ba6 instead bites at White's c4-pawn. Black does not occupy the centre with pawns - he restrains and undermines it from the flanks, combining ...Bb7, ...Be7, ...d5 and ...Ne4 ideas, while White's space tries to make the centre count.
When to use it
Choose it against 1.d4 2.c4 once you have played ...Nf6 and ...e6 and White develops the knight to f3 (ruling out a Nimzo-Indian pin). It suits players who like solid, low-risk positions and long-term plans over early tactics, and who enjoy outmanoeuvring opponents slowly. It pairs perfectly with the Nimzo-Indian: play the Nimzo when White allows 3.Nc3, and slide into this when he prefers 3.Nf3.
Why it works
Its strength is restraint. By fianchettoing on b7 (or hitting c4 with ...Ba6), Black makes White's key central break e4 hard to achieve cleanly while keeping his own structure free of weaknesses. The long-diagonal bishop is a durable piece, and ...d5/...c5 give timely counterplay. Creating so few targets, the Queen's Indian is famously tough to beat - a trusted equalising weapon at the top level for over a century.
Key ideas
- Fianchetto the queen's bishop (...Bb7) to control e4 and the long light diagonal.
- Use ...Ba6 to harass White's c4-pawn and provoke concessions before regrouping.
- Restrain and undermine White's centre, then break with ...d5 or ...c5.
- Reroute the knight via ...Ne4 to trade pieces and ease any cramp.
- Keep the structure solid and target-free, outplaying White in a long game.
Watch out
Do not fianchetto with ...Bb7 and then drift; if Black grabs e4 carelessly, lines with Nfd2 or Bb2 can leave the b7-bishop biting on granite and Black passive. In the ...Ba6 lines, mishandling the c4 tension or trading on d2 too readily can hand White a comfortable space edge with no compensation.