Nimzo-Indian Defense: Normal Variation, Bernstein Defense

Before the first move

The Nimzo-Indian is a sophisticated struggle for central control. Black pins White's knight to hinder the e4 push and often trades the dark-squared bishop to create structural weaknesses in White's camp. The Bernstein Defense leads to a complex middlegame where White's pair of bishops battles Black's superior pawn structure.

1. d4White

White opens with d4, a move focused on long-term central control. By occupying d4, White prevents Black from easily playing e5. You will see this move lead to the Queen's Gambit or various Indian Defenses, depending on how Black chooses to contest the center.

1... Nf6Black · your move

Develop your knight to f6. This is the most flexible response to d4, preventing White from immediately occupying the center with e4. You keep your options open, ready to transition into the Nimzo-Indian, King's Indian, or Grünfeld depending on White's next few moves.

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

2. c4White

White plays c4, the standard follow-up to d4. This gains further space and prepares the Nc3 development. Black has many ways to respond here, including the solid Queen's Gambit Declined with e6 or the sharper King's Indian setups with g6, but the battle for the center is now fully joined.

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

Move your pawn to e6. This solidifies your control of d5 and prepares to develop your kingside. It is a quiet but necessary step to prepare for the Nimzo-Indian or the Queen's Gambit Declined, keeping your central structure flexible and resilient against White's pressure.

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, intending to seize the center with e4. This move invites the Nimzo-Indian Defense. If White wants to avoid the pin on the knight, they might try the Catalan with g3 or the Anti-Nimzo move a3, but Nc3 is the most ambitious and direct way to play.

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. By pinning the knight to the king, you neutralize White's threat of playing e4. This is the defining move of the Nimzo-Indian Defense, creating immediate tactical tension and preparing to trade your bishop for the knight to damage White's pawn structure.

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 chooses the Rubinstein System with e3. This is a very solid approach that avoids the complications of the Kasparov Variation (Nf3) or the sharp Kmoch Variation (f3). White is content to develop slowly and rely on the long-term strength of their central pawns.

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 vital prophylactic move, getting your king out of the center before the position opens up. You are now ready to challenge White's center with moves like d5 or c5, knowing your king is secure behind a wall of pawns.

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. Bd3White

White plays Bd3, developing the bishop to its most aggressive post. This is the main line of the Rubinstein. White could also try the Reshevsky Variation with Ne2 to avoid the doubled pawns after a trade on c3, but Bd3 is more classical and puts more pressure on Black.

Other paths here: Ne2 (Nimzo-Indian Defense: Reshevsky Variation) · Nf3 (Nimzo-Indian Defense) · a3 (Nimzo-Indian Defense: Sämisch Variation)

5... d5Black · your move

Strike at the center with d5. You are directly challenging White's d4 pawn and claiming your share of the middle. This move often leads to a transformation of the pawn structure, and you must be ready for the tension to resolve in several different ways.

Other paths here: b6 (Nimzo-Indian: 4.e3 O-O 5.Bd3 b6) · c5 (Nimzo-Indian: 4.e3 O-O 5.Bd3 c5) · d6 (Nimzo-Indian: 4.e3 O-O 5.Bd3 d6)

6. Nf3White

White develops the knight to f3, heading toward the main line. White could have played Ne2 to keep the f-pawn free or explored the exchange on d5, but Nf3 is the most natural and flexible developing move in this specific setup.

Other paths here: a3 (Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.a3) · cxd5 (Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.cxd5) · Ne2 (Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2)

6... c5Black · your move

Push your pawn to c5. You are attacking the base of White's pawn chain and increasing the pressure on d4. This move is a key thematic strike in the Nimzo-Indian, aiming to undermine White's center and create counterplay on the queenside.

Other paths here: b6 (Nimzo-Indian Defense: Normal Variation, Schlechter Defense) · Nc6 (Nimzo-Indian Defense: Ragozin Defense)

7. O-OWhite

White castles, finishing the initial development phase. The center is now a complex web of tension with four pawns facing each other. Both sides are fully mobilized, and the next few moves will determine the character of the upcoming middlegame struggle.

7... Nc6Black · your move

Develop your knight to c6. You are adding more pressure to d4 and preparing to participate in the central battle. This knight is well-placed to support your pawns and can jump into the action as soon as the center opens up.

Other paths here: Nbd7 (Nimzo-Indian Defense: Normal Variation, Gligoric System) · b6 (Nimzo-Indian Defense: Normal Variation, Gligoric System, Keres Variation) · dxc4 (Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation)

8. a3White

White plays a3, forcing the issue on b4. This is a critical moment. Black almost always takes on c3 here, as retreating the bishop would lose too much time and allow White to expand comfortably with b4 later in the game.

8... Bxc3Black · your move

Capture the knight on c3. This is the thematic trade you have been preparing for. You damage White's pawn structure, creating doubled pawns on the c-file. In return, White will get the bishop pair, setting the stage for a classic imbalance in the middlegame.

9. bxc3White

White recaptures with the b-pawn. The pawn structure is now permanently altered. White has the powerful bishop pair and a solid center, but the doubled c-pawns can become targets if Black can find a way to pressure them effectively.

9... dxc4Black · your move

Capture the pawn on c4. By clearing the d5 square, you open lines for your pieces and force White's bishop to move again. This is a key part of the Bernstein Defense, aiming to simplify the center and create a more open game where your knights can flourish.

10. Bxc4White

White recaptures on c4, and the opening phase is complete. White has the bishop pair and a strong center, while Black has a solid position with no clear weaknesses. The game will now revolve around White trying to use the bishops and Black targeting the c3 pawn.

Where you stand

The position is dynamically balanced. White possesses the bishop pair and a powerful central pawn mass, aiming for a central breakthrough or a kingside attack. Black relies on superior pawn structure and active piece play, often targeting the doubled c-pawns. Both sides have clear routes to a complex and rewarding middlegame struggle.

• c6-a5 Knight maneuvers to a5 to pressure c4
• c4-d3 Bishop retreats to d3 to support e4
• d8-c7 Queen develops to c7 to control e5
• e3-e4 White pushes e4 to open the center
• f8-e8 Rook moves to e8 to support e5