Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 a6 5. d4 Bf5 6. Bd3 Bxd3 7. Qxd3 Nc6 8.
d5 Ne5 9. Nxe5 Qxe5+ 10. Be3 O-O-O 11. O-O e6 12. Qd4 Qxd4 13. Bxd4 exd5 14.
Rad1 Ne7 15. Rfe1 Nf5 16. Be5 f6 17. Bg3 h5 18. Rxd5 Rxd5 19. Nxd5 h4 20. Bxc7
Bc5 21. b4 Ba7 22. Bf4 Kd7 23. c4 Rc8 24. c5 a5 25. Nb6+ Bxb6 26. cxb6 axb4 27.
Rd1+ Ke6 28. Re1+ Kd5 29. Rd1+ Ke4 30. Be3 Rc2 31. Rc1 Nxe3 32. Rxc2 Nxc2 33.
f3+ Ke3 34. g3 h3 35. f4 f5 36. Kf1 Kf3 37. Kg1 Ke2 38. g4 fxg4 39. f5 Ne1 40.
a4 Nf3+ 41. Kh1 Kf2 42. a5 Kf1 43. a6 Ne1 44. axb7 Nd3 45. b8=Q *
Position (FEN): 1Q6/6p1/1P6/5P2/1p4p1/3n3p/7P/5k1K b - - 0 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 747
Best move: Nf2#