Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 c6 4. h3 Be7 5. O-O Nd7 6. c3 Ngf6 7. d3 h6 8. Be3 g5
9. Bxg5 *
Position (FEN): r1bqk2r/pp1nbp2/2pp1n1p/4p1B1/2B1P3/2PP1N1P/PP3PP1/RN1Q1RK1 b kq - 0 9
Black to move.
Themes:  Opening  
Puzzle rating: 1433
Best move: hxg5