Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Ne7 5. Re1 c6 6. Ba4 d6 7. d3 Bg4 8. h3
Bh5 9. Bg5 Nd7 10. Nbd2 Qb6 11. Bb3 Ng6 12. Nc4 Qc7 13. a3 Be7 14. Bxe7 Nxe7
15. g4 Bg6 16. Nh4 O-O-O 17. Nf5 Rde8 18. Ncxd6+ Kb8 19. Nxe8 Rxe8 20. Nxg7 Rf8
21. Nf5 h5 22. Nxe7 hxg4 23. Qxg4 Bh7 24. Kh2 Nf6 25. Nf5 *
Position (FEN): 1k3r2/ppq2p1b/2p2n2/4pN2/4P1Q1/PB1P3P/1PP2P1K/R3R3 b - - 4 25
Black to move.
Themes:  Middlegame  
Puzzle rating: 1504
Best move: Nxg4+