Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Bc4 O-O 6. e5 dxe5 7. Nxe5 Nfd7 8.
Nxd7 Nxd7 9. Be3 Nb6 10. Bb3 c6 11. O-O Nd5 12. Nxd5 cxd5 13. c3 h5 14. Re1 Bf5
15. Qd2 Qb6 16. Bh6 e6 17. Bxg7 Kxg7 18. h3 a5 19. Bd1 h4 20. Ba4 Qd6 21. Re5
Rh8 22. Rae1 Rab8 23. Bc2 Rh5 24. Bd1 Rhh8 25. Qf4 Qd8 26. Bg4 b5 27. Bxf5 gxf5
28. b3 Rh6 29. Kh2 Rg6 30. R1e3 Rc8 31. g3 Qg5 32. Qxg5 Rxg5 33. gxh4 Rh5 34.
Rg3+ Kf6 35. Re2 Rxh4 36. Rd3 b4 37. cxb4 axb4 38. a4 f4 39. Ra2 Ke7 40. a5 f6
41. a6 Ra8 42. Ra4 Kd6 43. Rd1 e5 44. a7 e4 45. Ra6+ Ke7 46. f3 Rah8 47. a8=Q
Rxh3+ 48. Kg2 Rh2+ 49. Kf1 Rh1+ 50. Ke2 *
Position (FEN): Q6r/4k3/R4p2/3p4/1p1Ppp2/1P3P2/4K3/3R3r b - - 5 50
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1440
Best move: R8h2#