Quick answer
The Nimzo-Indian Defense starts 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4. Black pins the knight on c3 to stop White from playing e4, and is often happy to trade the bishop for that knight to damage White's pawns. It's one of the most respected defenses against 1.d4.
- Moves
- 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- Best for
- Players who like strategic, flexible positions
- Style
- Strategic and flexible
- Main idea
- Pin the c3 knight, control e4, and fight against White's pawn structure
The main line, move by move
In the Rubinstein Variation, White plays a solid 4.e3. Step through it, then practice Black's moves.
How the Nimzo-Indian works
The pin on c3 is the heart of the opening. If White allows ...Bxc3 and bxc3, White's pawns are doubled, and Black can target them. In return, White gets the bishop pair. The game is a battle between structure and bishops.
Black's plan
- Control e4 with the knight, bishop and sometimes ...d5 or ...b6 and ...Bb7.
- Take on c3 when it doubles White's pawns.
- Strike the center with ...c5 and ...d5.
The Classical line: 4.Qc2
With 4.Qc2, White avoids doubled pawns: if Black takes on c3, the queen recaptures. Black usually castles and develops the queenside.
Common beginner mistakes in the Nimzo-Indian
- Taking on c3 at the wrong time. Do it when it damages White's pawns or wins a tempo, not automatically.
- Forgetting the dark squares. Without the dark-squared bishop, be careful with pawn moves around your king.
- Letting White play e4 for free. Keep control of the e4 square.
Frequently asked questions
Is the Nimzo-Indian good for beginners?
It's a fantastic opening to learn strategy, though the ideas are deeper than in the Slav or QGD. It's great once you know the basics.
What does Black do if White plays 3.Nf3 instead of 3.Nc3?
The Nimzo-Indian needs the knight on c3. Against 3.Nf3, Black usually plays the Queen's Indian (3...b6) or transposes to a Queen's Gambit Declined with 3...d5.