Chess puzzle (Crushing)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Nf3 Nc6 3. Bb2 Nf6 4. e3 Bg4 5. Bb5 Qd7 6. h3 Bxf3 7. Qxf3 O-O-O 8.
Nc3 e5 9. d3 Bb4 10. O-O-O a6 11. Bxc6 Qxc6 12. e4 *
Position (FEN): 2kr3r/1pp2ppp/p1q2n2/3pp3/1b2P3/1PNP1Q1P/PBP2PP1/2KR3R b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1495
Best move: Bxc3