Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+ bxc6 6. Nc3 Be7 7. Bg5 h6 8.
Bxf6 Bxf6 9. Qd2 O-O 10. h3 a5 11. Ne2 a4 12. Ng3 a3 13. b3 Be6 14. Qc3 g5 15.
Qxc6 Bg7 16. Nh5 Bh8 17. c4 *
Position (FEN): r2q1rkb/2p2p2/2Qpb2p/4p1pN/2P1P3/pP1P1N1P/P4PP1/R3K2R b KQ - 0 17
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1954
Best move: Qc8