Chess puzzle (Advantage)
Moves: 1. c3 e5 2. e4 Nc6 3. d4 exd4 4. cxd4 d6 5. Nf3 Bg4 6. Nc3 Qf6 7. Bg5 Qg6 8. d5
Ne5 9. Be3 Bxf3 10. gxf3 Ne7 11. Bd3 Qg2 12. Kd2 Nxf3+ 13. Kc2 O-O-O 14. Be2
Ne5 15. Rg1 Qh3 16. Qd4 Qd7 17. Qxa7 c6 18. Bb6 Qc7 19. Bxc7 Kxc7 20. Rac1 g6
21. dxc6 N7xc6 22. Nd5+ Kc8 23. Nb6+ Kc7 24. Ba6 *
Position (FEN): 3r1b1r/Qpk2p1p/BNnp2p1/4n3/4P3/8/PPK2P1P/2R3R1 b - - 5 24
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1402
Best move: Nxa7