Chess puzzle (Crushing)
Opening: Philidor_Defense, Philidor_Defense_Lion_Variation
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. dxe5 dxe5 6. Bg5 Be7 7. Qd2 c6 8.
O-O-O b5 9. Kb1 b4 10. Ne2 Nxe4 11. Qe3 Nxg5 12. Nxe5 Qc7 13. f4 Nxe5 14. fxe5
O-O 15. h4 Ne6 16. g4 Bc5 17. Qe4 f6 18. exf6 Rxf6 19. g5 Rf4 *
Position (FEN): r1b3k1/p1q3pp/2p1n3/2b3P1/1p2Qr1P/8/PPP1N3/1K1R1B1R w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1404
Best move: Nxf4