Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Nimzowitsch_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 d6 4. Nc3 Bg4 5. dxe5 Bxf3 6. Qxf3 dxe5 7. Bg5 Be7 8.
Bc4 O-O 9. Rd1 Nbd7 *
Position (FEN): r2q1rk1/pppnbppp/5n2/4p1B1/2B1P3/2N2Q2/PPP2PPP/3RK2R w K - 6 10
White to move.
Themes:  Middlegame  
Puzzle rating: 1858
Best move: Bxf6