Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nf6 3. d3 Bb4 4. Bg5 O-O 5. e3 h6 6. Bh4 d6 7. Be2 Be6 8. Nf3
Nbd7 9. O-O Qe8 10. Nd2 Nc5 11. Bxf6 gxf6 12. Nb5 Na6 13. a3 Ba5 14. b4 Bb6 15.
Bg4 Kh7 16. Ne4 Qe7 17. Ng3 Rg8 18. Bxe6 Qxe6 19. Nc3 f5 20. Nd5 Qg6 21. Ne7
Qg5 22. Nxg8 Rxg8 23. Qf3 f4 24. exf4 exf4 25. Ne4 Qg6 26. Nc3 Bd4 27. Rac1 c5
28. Nd5 Qg5 29. Qe4+ Kh8 30. Nxf4 Be5 31. Nh3 Qh5 32. f4 Bd4+ 33. Kh1 f5 34.
Qxb7 Qg4 35. Rce1 cxb4 36. axb4 Nxb4 37. Re7 Bg7 38. Rf3 Nc2 39. Rg3 Qd1+ 40.
Ng1 Qa1 41. Rgxg7 Rxg7 42. Rxg7 Qxg7 43. Qb8+ Kh7 44. Qxd6 Ne3 45. Qc6 Ng4 46.
c5 *
Position (FEN): 8/p5qk/2Q4p/2P2p2/5Pn1/3P4/6PP/6NK b - - 0 46
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 1020
Best move: Nf2#