Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nc6 3. d4 b6 4. d5 Nb8 5. c4 e6 6. d6 Nc6 7. f4 e5 8. f5 *
Position (FEN): r1bqkbnr/p2p1ppp/1pnP4/2p1pP2/2P1P3/8/PP4PP/RNBQKBNR b KQkq - 0 8
Black to move.
Themes:  Opening  
Puzzle rating: 1300
Best move: Qh4+