Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 a6 4. h3 Bf5 5. Nf3 h6 6. Nbd2 e6 7. c4 Bd6 8. Ne5
Nbd7 9. c5 Be7 10. Ndf3 O-O 11. Nxd7 Nxd7 12. Qb3 Rb8 13. Rc1 Nf6 14. Ne5 Nh5
15. g4 Nxf4 *
Position (FEN): 1r1q1rk1/1pp1bpp1/p3p2p/2PpNb2/3P1nP1/1Q2P2P/PP3P2/2R1KB1R w K - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1854
Best move: gxf5