Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Grand_Prix_Attack
Moves: 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bc4 Bg7 6. O-O a6 7. Qe1 b5 8. Bd5
Bb7 9. Ng5 e6 10. Bxe6 fxe6 11. Nxe6 Bd4+ 12. Kh1 Qe7 *
Position (FEN): r3k1nr/1b2q2p/p1npN1p1/1pp5/3bPP2/2N5/PPPP2PP/R1B1QR1K w kq - 3 13
White to move.
Themes:  Opening  
Puzzle rating: 1560
Best move: Nd5