Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf3 h6 8. O-O
Bg4 *
Position (FEN): rn1qkb1r/1p3pp1/p2p1n1p/4p3/2B1P1b1/2N2N2/PPP2PPP/R1BQ1RK1 w kq - 2 9
White to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1818
Best move: Bxf7+