Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 e6 3. d3 Nc6 4. Nf3 g6 5. Be2 Bg7 6. Rb1 d5 7. Bd2 Nge7 8. O-O
O-O 9. Qc1 Re8 10. b3 dxe4 11. Nxe4 b6 12. Bg5 Nd4 13. Re1 Nxf3+ 14. Bxf3 Qd4
15. Bf6 Bxf6 16. Nxf6+ Qxf6 17. Bxa8 Bd7 18. Be4 Nc6 19. Qe3 Nd4 20. Rbc1 Nc6
21. Qh6 Ne5 22. h3 Rd8 23. Re2 Be8 24. Rce1 Nc6 25. Re3 Nd4 26. Rc1 Rc8 27. c3
Nb5 28. Rf3 Qe5 29. Qf4 Qg7 30. Qf6 Qh6 31. Rc2 Nc7 32. Rf4 Qf8 33. Rh4 Qd6 34.
Qg5 Qf8 35. Qg3 Qg7 36. Bb7 Rd8 37. Qxc7 Rxd3 38. Qb8 Qf8 39. Be4 Rd6 40. Qxa7
Rd1+ 41. Kh2 Qd6+ 42. g3 Bc6 43. Bxc6 Qxc6 44. Qb8+ Kg7 45. Qe5+ Kg8 46. Qe4
Qd6 47. Re2 Qd7 48. Qf4 Qd5 49. Qe4 Qd8 50. Qe3 Qd5 51. Rf4 *
Position (FEN): 6k1/5p1p/1p2p1p1/2pq4/5R2/1PP1Q1PP/P3RP1K/3r4 b - - 15 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 624
Best move: Qh1#