Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Be7 5. Bc4 h6 6. Qf3 Nf6 7. O-O Nbd7 8.
Nf5 O-O *
Position (FEN): r1bq1rk1/pppnbpp1/3p1n1p/5N2/2B1P3/5Q2/PPP2PPP/RNB2RK1 w - - 6 9
White to move.
Themes:  Opening  
Puzzle rating: 2059
Best move: Qg3