Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. Ng5 Ne5 5. Bb3 c4 6. O-O cxb3 7. cxb3 Nf6 8.
d4 Nc6 9. d5 Na5 10. e5 Ng8 11. e6 f6 *
Position (FEN): r1bqkbnr/pp1pp2p/4Ppp1/n2P2N1/8/1P6/PP3PPP/RNBQ1RK1 w kq - 0 12
White to move.
Themes:  Opening  
Puzzle rating: 1126
Best move: Nf7