Nimzo-Indian Defense

Before the first move

The Nimzo-Indian Defense is a hypermodern masterpiece where you control the center with pieces rather than pawns. By pinning the knight on c3, you restrain White's central ambitions and prepare to fight for the dark squares. It is one of the most respected responses to the Queen's Pawn Opening.

1. d4White

White plays d4, the most common alternative to the King's Pawn Opening. By occupying the center, White invites a strategic struggle. You can respond with the solid d5, but Nf6 is the flexible path toward many Indian systems.

1... Nf6Black · your move

Develop your knight to f6. This is a flexible, multi-purpose move that prevents White from immediately playing e4. You are keeping your options open for several different defensive setups while developing a key piece.

Other paths here: Na6 (Australian Defense) · g5 (Borg Defense: Borg Gambit) · b6 (English Defense) · e5 (Englund Gambit)

2. c4White

White plays c4, doubling down on central influence and preparing to develop the knight to c3. Alternatives like the London System with Bf4 or the Catalan with g3 are common, but c4 leads to the most critical main-line theory.

Other paths here: f4 (Canard Opening) · g4 (Indian Defense: Gibbins-Weidenhagen Gambit) · e4 (Indian Defense: Omega Gambit) · d5 (Indian Defense: Pawn Push Variation)

2... e6Black · your move

Push your pawn to e6. This solidifies your control of d5 and prepares to bring out your dark-squared bishop. You are signaling your intent to challenge White's center, likely through a Nimzo-Indian or Queen's Gambit Declined.

Other paths here: g5 (Indian Defense: Medusa Gambit) · b5 (Indian Defense: Pyrenees Gambit) · a6 (Indian: 2.c4 a6) · Nc6 (Mexican Defense)

3. Nc3White

White plays Nc3, preparing to seize the full center with e4. This is the critical moment where you must decide how to respond. You could play d5 to enter the Queen's Gambit, but the Nimzo-Indian with Bb4 is more provocative.

Other paths here: g3 (Catalan Opening) · Qb3 (Indian Defense) · g4 (Indian Defense: Devin Gambit) · Bg5 (Indian Defense: Seirawan Attack)

3... Bb4Black · your move

Slide your bishop to b4 to pin the knight. This is the defining move of the Nimzo-Indian. By pinning the knight to the king, you neutralize White's control over e4 and prepare to trade if White tries to expand too quickly.

Other paths here: b6 (Queen's Pawn: Neo-Indian, 3...b6) · c5 (Queen's Pawn: Neo-Indian, 3...c5) · d5 (Queen's Gambit Declined: Exchange Variation)

4. e3White

White plays e3, choosing the rock-solid Rubinstein System. White ignores the pin for now to focus on safe development. You might also see the sharp 4.f3 or the Three Knights Variation with 4.Nf3, but e3 is the most common choice.

Other paths here: f3 (Nimzo-Indian Defense: Kmoch Variation) · Qd3 (Nimzo-Indian Defense: Mikenas Attack) · g3 (Nimzo-Indian Defense: Romanishin Variation) · Bd2 (Nimzo-Indian: 4.Bd2)

4... O-OBlack · your move

Castle your king to safety. This is a standard and essential move in the Nimzo-Indian. You complete your kingside development and prepare to strike at the center with moves like c5 or d5 once your king is secure.

Other paths here: Nc6 (Nimzo-Indian Defense: Rubinstein System, Taimanov Variation) · c5 (Nimzo-Indian Defense: Rubinstein System) · b6 (Nimzo-Indian Defense: St. Petersburg Variation) · d5 (Keres Variation, Nimzo-Indian)

5. Nf3White

White plays Nf3, a very flexible developing move. White could also try the Reshevsky Variation with Ne2 to avoid doubled pawns if you capture on c3, or the more aggressive Bd3. Now the main strategic battle begins.

Other paths here: Ne2 (Nimzo-Indian Defense: Reshevsky Variation) · Bd3 (Nimzo-Indian Defense: Normal Variation) · a3 (Nimzo-Indian Defense: Sämisch Variation)

Where you stand

The position is rich with strategic depth. Black often plans to strike the center with c5 or d5, while White aims to use the bishop pair and central space. If Black captures on c3, White will have doubled pawns but a strong center; if not, the tension continues as both sides fight for the key e4 and d5 squares.

• b4-c3 Trade bishop for knight to double White's pawns.
• b7-b6 Prepare to fianchetto the bishop on b7.
• f1-d3 Develop bishop to its most active square.
• e1-g1 Castle kingside to complete early development.
• c7-c5 Challenge the d4 pawn to open the center.