Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Normal_Variation
Moves: 1. d4 d5 2. c4 Nf6 3. Nf3 dxc4 4. e3 Nc6 5. Bxc4 e6 6. O-O Ne4 7. a3 Bd6 8. Bb5
O-O 9. Qc2 f5 10. Bxc6 bxc6 11. Qxc6 Bd7 12. Qc2 Qf6 13. Nc3 Ng5 14. e4 *
Position (FEN): r4rk1/p1pb2pp/3bpq2/5pn1/3PP3/P1N2N2/1PQ2PPP/R1B2RK1 b - - 0 14
Black to move.
Themes: Kingside Attack Middlegame  
Puzzle rating: 1398
Best move: Nxf3+