Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 d6 3. Nc3 c6 4. Be2 Nf6 5. d3 Be7 6. O-O O-O 7. h3 Bd7 8. Nh2
Qc8 9. Bg4 Nxg4 10. Nxg4 Bxg4 11. Qxg4 Qxg4 12. hxg4 Nd7 13. f4 exf4 14. Bxf4
Nf6 15. g5 Nh5 16. Bh2 Bxg5 17. Ne2 Be3+ 18. Kh1 Rae8 19. Bxd6 Re6 20. Bxf8
Kxf8 21. Rf3 Bb6 22. Nf4 *
Position (FEN): 5k2/pp3ppp/1bp1r3/7n/4PN2/3P1R2/PPP3P1/R6K b - - 3 22
Black to move.
Themes:  Endgame  
Puzzle rating: 1168
Best move: Nxf4