Nimzo-Indian Defence
E20 · Played as black · Intermediate · Indian Defences
Bishop pair pressure and flexible pawn structures
The main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4
Strategic ideas
- Pin the c3 knight with …Bb4 to prevent White from supporting the centre
- Double White's c-pawns with …Bxc3+ to create long-term structural weaknesses
- Use …e5 or …d5 breaks to free the position after …Bxc3
- Accept giving White the bishop pair — the permanent damage to White's c-pawn structure is the real compensation
- Target the doubled c-pawns as permanent long-term weaknesses
Key themes
- Positional — The Nimzo is a positional masterpiece — Black creates structural weaknesses that last into the endgame
- Dynamic — Despite its positional nature, sharp tactical complications arise frequently in Nimzo-Indian play
- Piece Activity — Black prioritises active piece placement over maintaining the bishop, trading it for structural gains
Typical plans
Black pins the c3 knight with …Bb4 on move 3, immediately creating pressure on White's central pawn structure. After …Bxc3+, Black cedes the bishop pair to White in exchange for permanently doubled c-pawns — a structural concession White can never fully repair. The resulting positions are rich in long-term imbalances and favour players with deep positional understanding.
Move by move
- d4 — White claims the centre.
- Nf6 — Black develops, controlling e4.
- c4 — White expands further.
- e6 — Black opens the diagonal for the f8-bishop and prepares …Bb4.
- Nc3 — White develops the knight, which becomes the target of the coming pin.
- Bb4 — Black pins the c3-knight, discouraging e4 and threatening to double White's pawns with …Bxc3+.
- e3 — White prepares to develop the f1-bishop and supports d4 while sidestepping immediate structural damage.
- O-O — Black castles into safety before committing further in the centre.
- Bd3 — White develops naturally, aiming the bishop at the kingside.
- d5 — Black stakes a claim in the centre, preparing to meet White's plans with either …dxc4 or …c5 breaks.
- Nf3 — White develops the last minor piece, keeping options open between e3 and cxd5 structures.
- c5 — Black strikes at d4, adding pressure alongside the pin on c3.
- O-O — White castles into safety before resolving the central tension.
- Nc6 — Black develops, adding a second attacker to d4.
- a3 — White asks the bishop the question directly, forcing an immediate decision.
- Bxc3 — Black trades, following through on the plan set by 3…Bb4 and accepting White gets the bishop pair.
- bxc3 — White recaptures, saddling the pawn structure with doubled c-pawns in exchange for the bishop pair.
- dxc4 — Black grabs the c4 pawn, adding to White's structural concerns before the centre is fully resolved.