Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Ba4 h6 9. Nf3 e4 10. Qe2 Be7 11. Ne5 Qd5 12. f4 O-O 13. Nc3 Qe6 14. O-O Bb7 15.
Nxe4 c5 16. Nxf6+ Bxf6 17. Bb3 Nxb3 18. axb3 Rfe8 19. d3 Bd8 20. Kh1 *
Position (FEN): r2br1k1/pb3pp1/4q2p/2p1N3/5P2/1P1P4/1PP1Q1PP/R1B2R1K b - - 2 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1746
Best move: f6