Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Two_Knights_Variation
Moves: 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Be3 a6 6. Bc4 e6 7. d5 e5 8. Bg5
Ngf6 9. h3 Nc5 10. O-O h6 11. Be3 Ncxe4 12. Qd3 Nxc3 13. Qxc3 O-O 14. Qd2 Kh7
15. Rfe1 Bf5 16. Rad1 Qd7 17. Nh4 Ne4 18. Qe2 g5 *
Position (FEN): r4r2/1ppq1pbk/p2p3p/3Ppbp1/2B1n2N/4B2P/PPP1QPP1/3RR1K1 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1334
Best move: Nxf5