Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. c3 g6 5. d4 cxd4 6. cxd4 Bg7 7. Nc3 Nge7 8.
Be3 O-O 9. Qd2 d5 10. exd5 exd5 11. Bb3 Bg4 12. O-O-O Na5 13. Bh6 Nxb3+ 14.
axb3 Bxf3 15. gxf3 Nf5 16. Bxg7 Kxg7 17. h4 Nxh4 18. Rh3 Nf5 19. Rdh1 Rh8 20.
Ne2 Qb6 21. b4 Qa6 22. Kb1 Qe6 23. Nf4 Qd6 24. Nh5+ Kf8 25. Qg5 h6 26. Qg4 Ng7
27. Nf4 Nf5 28. Nd3 Re8 29. Ne5 Rxe5 30. dxe5 Qxe5 31. Rd1 Kg7 32. f4 Qe4+ 33.
Ka1 Qxb4 34. Rxd5 Qe4 35. Rhd3 h5 36. Qg5 Re8 37. f3 Qa4+ 38. Ra3 Re1+ 39. Ka2
Qc4+ 40. Rb3 Qxd5 41. Qg2 Qa5+ 42. Ra3 Qd5+ 43. b3 Ne3 44. Qf2 Qd1 45. Qb2+ Kh7
46. Rxa7 Qxf3 47. Ka3 Nd5 48. Ra8 b6 *
Position (FEN): R7/5p1k/1p4p1/3n3p/5P2/KP3q2/1Q6/4r3 w - - 0 49
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 508
Best move: Qh8#