Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Nimzowitsch_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bb5+ c6 5. O-O Bg4 6. h3 Bh5 7. Bg5 Be7 8. dxe5
a6 9. Nc3 axb5 10. Bxf6 *
Position (FEN): rn1qk2r/1p2bppp/2pp1B2/1p2P2b/4P3/2N2N1P/PPP2PP1/R2Q1RK1 b kq - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1856
Best move: gxf6