Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Re1 f5 8. d3
Nc5 9. Bxc6 dxc6 10. Nxe5 O-O 11. d4 Ne4 12. Nd2 Nf6 13. Ndf3 Ne4 14. Bf4 Be6
15. Qa4 g5 16. Bc1 g4 17. Nd2 Ng5 18. Qc2 Bd6 19. Nb3 Bd5 20. Bf4 Ne6 21. Qd2
Qh4 22. Qe3 b6 23. c4 Be4 24. Nd2 c5 25. Nxe4 fxe4 26. Qxe4 *
Position (FEN): r4rk1/2p4p/pp1bn3/2p1N3/2PPQBpq/8/PP3PPP/R3R1K1 b - - 0 26
Black to move.
Themes:  Middlegame  
Puzzle rating: 1992
Best move: Nxf4