Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 e6 3. Nf3 d5 4. exd5 exd5 5. Bb3 g6 6. d3 Bg7 7. O-O Ne7 8. c3
h6 9. Na3 O-O 10. Bd2 Nbc6 11. Qc1 Kh7 12. Nc2 Bf5 13. Ne3 Bxd3 14. Bc2 Bxf1
15. Kxf1 Qc7 16. Ng4 Ng8 17. Nh4 f5 18. Nxg6 Kxg6 19. h4 h5 20. Nh2 Qxh2 21.
Be1 Rae8 22. Qg5+ Kh7 23. Bxf5+ Kh8 24. Qxh5+ Nh6 25. f3 Rxf5 26. Qxe8+ Kh7 27.
Bf2 Qh1+ 28. Bg1 Ng4 29. Re1 Rxf3+ 30. Ke2 Qxg2+ 31. Kd1 Rd3+ 32. Kc1 Qd2+ 33.
Kb1 Nce5 34. Qh5+ Nh6 35. Rc1 Re3 36. Bxe3 Qxe3 37. Qd1 Qe4+ 38. Ka1 Nd3 39.
Rb1 c4 40. Qa4 Qxh4 41. Qxa7 Ne1 42. Rc1 Nc2+ 43. Kb1 Ne1 44. Qxb7 Nd3 45. Rd1
Qe4 46. Rg1 Ne1+ 47. Ka1 Nc2+ 48. Kb1 Na3+ 49. Ka1 Qb1+ 50. Rxb1 *
Position (FEN): 8/1Q4bk/7n/3p4/2p5/n1P5/PP6/KR6 b - - 0 50
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 870
Best move: Nc2#