Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System

1.
1. d4
2. Nf6
2.
3. c4
4. e6
3.
5. Nc3
6. Bb4
4.
7. Qc2
8. c5
5.
9. dxc5
10. O-O
6.
11. a3
12. Bxc5
7.
13. Nf3
14. b6
8.
15. Bf4

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The Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System is a chess opening classified under ECO code E39 (Indian defences). It is a variation of the Nimzo-Indian Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.