[Event "Nimzo-Indian Defense: St. Petersburg Variation"]
[Site "https://chessily.com/openings/"]
[Result "*"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 (4. Nf3 b6 (4... Bxc3+ 5. bxc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O) 5. e3 Ne4 6. Qc2 Bb7 7. Bd3 Bxc3+ 8. bxc3 f5 9. O-O) b6 (4... Ne4 5. Qc2 f5 6. Nf3 b6 7. Bd3 Bb7) (4... O-O 5. Bd3 c5 6. Nf3 b6 7. O-O Bb7 8. Na4 Qe7) 5. Bd3 (5. Ne2 Ne4 (5... c5 6. a3 Ba5) (5... Ba6)) Bb7 6. Nf3 O-O (6... Ne4) 7. O-O c5 8. Na4 cxd4 9. a3 Be7 *
