Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. Bg5 Bg7 3. e3 h5 4. Bd3 Nf6 5. Qf3 O-O 6. Ne2 d6 7. g4 Bxg4 8. Qg3
e5 9. f3 Bf5 *
Position (FEN): rn1q1rk1/ppp2pb1/3p1np1/4pbBp/3P4/3BPPQ1/PPP1N2P/RN2K2R w KQ - 1 10
White to move.
Themes:  Opening  
Puzzle rating: 1155
Best move: Bxf5