Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 O-O 8.
O-O-O d5 9. Bxf6 Bxf6 10. Nxd5 e5 11. Nf3 Bg7 12. h4 h5 13. Bc4 Bg4 14. Rdg1
Nc6 15. Ng5 Nd4 16. f3 Bd7 17. g4 hxg4 18. fxg4 Bh6 19. Qf2 b5 20. Nf6+ Kg7 21.
Nxd7 Qxd7 22. Bd5 Rac8 23. c3 b4 24. c4 f6 25. Kb1 fxg5 26. Qg3 Rf4 27. hxg5
Bxg5 28. Qh3 Kf6 29. Rf1 Rxf1+ 30. Rxf1+ Bf4 31. g5+ Ke7 32. Qh7+ Kd8 33. Qxg6
Qh3 34. Qd6+ Ke8 35. Qg6+ Kd8 36. Qg8+ Kc7 37. Qf7+ Qd7 38. Qf6 Rd8 39. g6 Qh3
40. Qe7+ Kc8 41. Qc5+ Kb8 42. Rc1 Qd3+ 43. Ka1 Nc2+ 44. Kb1 Na3+ 45. Ka1 Qb1+
46. Rxb1 *
Position (FEN): 1k1r4/p7/6P1/2QBp3/1pP1Pb2/n7/PP6/KR6 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 1049
Best move: Nc2#