Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. O-O Qb6 8. b3
cxd4 9. Nxd4 Bc5 10. Nxc6 bxc6 11. Bb2 Ne7 12. Nc3 Ng6 13. Na4 Qb5 14. Nxc5
Qxc5 15. a4 Qb6 16. Qg4 O-O 17. h4 h6 18. h5 Ne7 19. Rfe1 Nf5 20. Rad1 Qd8 21.
Rd3 Qh4 22. Qxh4 Nxh4 23. g4 g5 24. Bc1 c5 25. f4 f6 26. exf6 Rxf6 27. Rh3 Raf8
28. Kh1 Kg7 29. Re2 Rxf4 30. Bxf4 Rxf4 31. Rxe6 Rf1+ 32. Kh2 Rf2+ 33. Kg1 Rxc2
34. Re7+ Kf6 35. Rxa7 d4 36. Ra6+ Ke5 37. Rxh6 Kf4 38. a5 Kxg4 39. Rd3 Nf3+ 40.
Kf1 Ne5 41. Rd1 Kf5 42. a6 Ra2 43. Rb6 g4 44. h6 g3 45. a7 g2+ 46. Kg1 *
Position (FEN): 8/P7/1R5P/2p1nk2/3p4/1P6/r5p1/3R2K1 b - - 1 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 670
Best move: Nf3#