Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bc4 Be7 7. Nc3 O-O 8.
O-O Nc6 9. Re1 Be6 10. Nd5 Bxd5 11. exd5 Nb4 12. c3 Na6 13. h3 Nh5 14. Nxe5
dxe5 15. Qxh5 g6 16. Qxe5 Bd6 17. Qd4 Re8 18. Bh6 Bf8 19. Rxe8 Qxe8 20. Bg5 Bg7
21. Qf4 Nc5 22. d6 Ne6 23. Bxe6 Qxe6 24. Be7 Be5 25. Qb4 b6 26. Kf1 Qf5 27. Qc4
Rc8 28. Qd5 Rc5 29. Qa8+ Kg7 30. Rd1 Bg3 31. f3 Rc8 32. Qxa7 Qc5 33. Rd4 Qb5+
34. c4 Qxb2 35. Bf6+ Kxf6 36. Qe7+ Kg7 37. Qe3 Qb1+ 38. Ke2 Qe1+ 39. Kd3 Qd1+
40. Kc3 Be1+ 41. Kb2 Qa4 42. Qxe1 Rxc4 43. Qe5+ Kh6 44. Rxc4 Qxc4 45. d7 Qb4+
46. Ka1 Qc4 47. d8=Q *
Position (FEN): 3Q4/5p1p/1p4pk/4Q3/2q5/5P1P/P5P1/K7 b - - 0 47
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 631
Best move: Qc1#