1.d4 - Controls the center.
1...Nf6 - Indian Defense.
2.c4 - White gains queenside space.
2...e6 - Nimzo-Indian move order.
3.Nc3 - White develops.
3...Bb4 - Nimzo-Indian! Black pins the knight.
4.Qc2 - Classical. White prepares to recapture on c3 with the queen.
White's plans: Play a3 to challenge the bishop. Develop with Nf3, Bg5 or e3.
Black's plans: Play ...O-O, ...d5, or ...c5. Exchange on c3 or maintain the pin.
Watch the moves to understand the opening sequence. Use the controls to replay or auto-play the variation.