Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Ng4 8.
Bf4 e5 9. Bg5 f6 10. f3 *
Position (FEN): rnbqk2r/pp4bp/3p1pp1/4p1B1/3NP1n1/2N2P2/PPPQ2PP/R3KB1R b KQkq - 0 10
Black to move.
Themes:  Middlegame  
Puzzle rating: 1862
Best move: exd4