Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. e4 g6 2. d4 Bg7 3. e5 a6 4. Bc4 b5 5. Bb3 Bb7 6. Qg4 Nh6 7. Qf4 e6 8. Nf3
O-O 9. Nc3 Nc6 10. Ne4 Na5 11. Nf6+ Kh8 12. g4 Nxb3 13. axb3 Bxf3 *
Position (FEN): r2q1r1k/2pp1pbp/p3pNpn/1p2P3/3P1QP1/1P3b2/1PP2P1P/R1B1K2R w KQ - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 922
Best move: Qxf3