Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. d3 Nf6 5. Nc3 d6 6. Nf3 Bg4 7. Be2 Be7 8.
O-O O-O 9. h3 Be6 10. Nd4 Bd7 11. Re1 c5 12. Ndb5 a6 13. Na3 b5 14. Nab1 Bc6
15. Bf3 Qd7 16. Bg5 h6 17. Bxf6 Bxf6 18. Nd2 Qf5 19. Nde4 b4 20. Nxd6 Qf4 21.
Bxc6 Nxc6 22. Nce4 Bxb2 23. Rb1 Bd4 24. Nb7 *
Position (FEN): r4rk1/1N3pp1/p1n4p/2p5/1p1bNq2/3P3P/P1P2PP1/1R1QR1K1 b - - 3 24
Black to move.
Themes:  Middlegame  
Puzzle rating: 1951
Best move: f5