Chess puzzle (Crushing)
Opening: Nimzo-Indian_Defense, Nimzo-Indian_Defense_Three_Knights_Variation
Moves: 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Nc3 O-O 5. Qc2 d5 6. a3 Bxc3+ 7. bxc3 Ne4 8.
cxd5 exd5 9. Nd2 f5 10. Nxe4 fxe4 11. Rb1 Qf6 12. e3 Nd7 13. c4 c6 14. cxd5
cxd5 15. Be2 *
Position (FEN): r1b2rk1/pp1n2pp/5q2/3p4/3Pp3/P3P3/2Q1BPPP/1RB1K2R b K - 1 15
Black to move.
Themes: Attacking f2 or f7 Middlegame  
Puzzle rating: 765
Best move: Qxf2+