Chess puzzle (Advantage)
Opening: Bishops_Opening, Bishops_Opening_Berlin_Defense
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 d5 4. exd5 Nxd5 5. Qf3 Nf6 6. Nh3 Bg4 7. Qg3 Bd6 8.
O-O e4 9. Qe3 O-O 10. dxe4 Re8 11. f3 Bxh3 12. gxh3 Qd7 13. Kg2 Nh5 14. Qg5 Re5
15. Qg4 g6 16. b3 Qe7 17. Qc8+ Qe8 18. Qxb7 *
Position (FEN): rn2q1k1/pQp2p1p/3b2p1/4r2n/2B1P3/1P3P1P/P1P3KP/RNB2R2 b - - 0 18
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 2133
Best move: Nc6