1. Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 Choose a line 1. Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 2. Nimzo-Indian Defense: Classical Variation, Zurich Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 Close 1. Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 2. Nimzo-Indian Defense: Classical Variation, Zurich Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 Next