Chess puzzle (Advantage)
Opening: Bishops_Opening, Bishops_Opening_Vienna_Hybrid
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Bc5 5. Qf3 O-O 6. Qg3 Nd4 7. Kd1 d6 8. Bg5
Kh8 9. Nd5 b5 10. Bb3 Nxb3 11. axb3 Be6 12. Nxf6 *
Position (FEN): r2q1r1k/p1p2ppp/3pbN2/1pb1p1B1/4P3/1P1P2Q1/1PP2PPP/R2K2NR b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1134
Best move: gxf6