Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Be7 5. d3 O-O 6. Be3 d6 7. h3 a6 8. a4
Kh8 9. Ng5 Kg8 10. f4 exf4 11. Bxf4 Ne8 12. O-O *
Position (FEN): r1bqnrk1/1pp1bppp/p1np4/6N1/P1B1PB2/2NP3P/1PP3P1/R2Q1RK1 b - - 2 12
Black to move.
Themes:  Opening  
Puzzle rating: 1167
Best move: Bxg5