Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7
8. Qh5+ g6 9. Qxc5 Re8 10. O-O Rxe4 11. Bh6 Re5 12. Qc4+ d5 13. Qd3 Qh4 14. Bd2
Rh5 15. Qg3 Qe4 16. Qxc7+ Ne7 17. Re1 Qh4 18. Qf4+ Qxf4 19. Bxf4 Bf5 20. Na3 g5
21. Bd6 Ng6 22. f3 g4 23. fxg4 Bxg4 24. Rf1+ Ke6 25. Bg3 Rf5 26. Rae1+ Kd7 27.
Nb5 Rxf1+ 28. Rxf1 a6 29. Nxd4 Rf8 30. Rxf8 Nxf8 31. Kf2 Bd1 32. c3 Ba4 33. Ke3
Bc6 34. Kf4 Ng6+ 35. Kf5 Ke7 36. Bf2 Bd7+ 37. Kg5 Kf7 38. Kh6 Kg8 39. h4 Ne5
40. Nf3 *
Position (FEN): 6k1/1p1b3p/p6K/3pn3/7P/2P2N2/PP3BP1/8 b - - 2 40
Black to move.
Themes:  Endgame  
Puzzle rating: 1557
Best move: Ng4+