Chess puzzle (Crushing)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. d5 Qd6 5. e4 Nf6 6. Bxc4 h6 7. Nf3 c6 8. O-O
Be7 9. h3 O-O 10. a3 Nbd7 11. b4 Nb6 12. Qd3 Nxc4 13. Qxc4 cxd5 14. exd5 Bf5
15. Qf4 *
Position (FEN): r4rk1/pp2bpp1/3q1n1p/3Ppb2/1P3Q2/P1N2N1P/5PP1/R1B2RK1 b - - 2 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1262
Best move: exf4