Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Nxd4 Nxe4 5. Bd3 Nc5 6. Bc4 d5 7. Bb5+ Bd7 8.
Bxd7+ Qxd7 9. O-O Be7 10. b4 Nca6 11. a3 O-O 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Nb5
Qb6 15. Qxd5 Nc6 16. c4 Ne7 17. Qe5 Rfe8 18. N5c3 c6 19. c5 Qc7 20. Qxc7 Nxc7
21. Nd2 Ncd5 22. Nxd5 Nxd5 23. Rfe1 Rxe1+ 24. Rxe1 Kf8 25. Ne4 Re8 26. f3 *
Position (FEN): 4rk2/pp3ppp/2p5/2Pn4/1P2N3/P4P2/6PP/4R1K1 b - - 0 26
Black to move.
Themes:  Endgame  
Puzzle rating: 1677
Best move: f5