Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nc6 3. c3 e5 4. dxe5 f6 5. Nf3 Bg4 6. exf6 Nxf6 7. Nbd2 Bc5 8.
b4 Bb6 9. b5 Na5 10. e3 O-O 11. h3 Bh5 12. Qc2 Ne4 13. Nxe4 dxe4 14. Qxe4 Qf6
15. Be5 Qe6 16. c4 Bxf3 *
Position (FEN): r4rk1/ppp3pp/1b2q3/nP2B3/2P1Q3/4Pb1P/P4PP1/R3KB1R w KQ - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1334
Best move: gxf3