Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 a6 5. O-O Nf6 6. d3 b5 7. e5 Ng8 8. Bxb5
axb5 9. Nxb5 f6 10. exf6 Nxf6 11. Bg5 Be7 12. Bf4 Qb6 *
Position (FEN): r1b1k2r/3pb1pp/1qn1pn2/1Np5/5B2/3P1N2/PPP2PPP/R2Q1RK1 w kq - 4 13
White to move.
Themes:  Opening  
Puzzle rating: 1467
Best move: Nc7+