Chess puzzle (Crushing)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Symmetrical_Variation
Moves: 1. b3 b6 2. Bb2 c5 3. d3 Nf6 4. e3 Nc6 5. Nc3 d5 6. Qf3 Bb7 7. O-O-O e6 8. Kb1
a5 9. a4 d4 10. Nb5 dxe3 11. fxe3 Be7 12. Qg3 O-O 13. Be2 Nb4 14. Nh3 Bc6 15.
Rhf1 Bxb5 16. axb5 a4 17. Bxf6 *
Position (FEN): r2q1rk1/4bppp/1p2pB2/1Pp5/pn6/1P1PP1QN/2P1B1PP/1K1R1R2 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 757
Best move: Bxf6