Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. Bf4 Bg7 3. Nf3 Nf6 4. c3 O-O 5. Nbd2 d6 6. e4 Bg4 7. Bd3 h6 8. e5
Nfd7 9. exd6 exd6 10. O-O Nc6 11. Qc2 Bxf3 12. Nxf3 a6 13. Bxg6 *
Position (FEN): r2q1rk1/1ppn1pb1/p1np2Bp/8/3P1B2/2P2N2/PPQ2PPP/R4RK1 b - - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 917
Best move: fxg6