Chess puzzle (Advantage)
Moves: 1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Bg4 5. Be2 Bxf3 6. Bxf3 Qh4+ 7. Kf1 Bd6
8. d4 Ne7 9. c4 Nd7 10. c5 Nxc5 11. dxc5 Bxc5 12. Qe1 Qxe1+ 13. Kxe1 O-O-O 14.
Nc3 Rhe8 15. Kf1 g5 16. h4 h6 17. hxg5 hxg5 18. Rh7 f6 19. b3 Kb8 20. Bb2 *
Position (FEN): 1k1rr3/ppp1n2R/5p2/2bP2p1/5p2/1PN2B2/PB4P1/R4K2 b - - 2 20
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1859
Best move: Nf5