Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nc3 c6 4. cxd5 cxd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Nf3 Nf6 8.
e3 O-O 9. Bd3 Nbd7 10. O-O a6 11. Rc1 e5 12. dxe5 Nxe5 13. Be2 Bg4 14. Nd4 Bxe2
15. Qxe2 Neg4 16. g3 Rfe8 17. h3 Nxe3 18. fxe3 Qxg3+ 19. Qg2 Qxe3+ 20. Qf2 Qxh3
21. Nf5 d4 22. Nxd4 Re5 23. Nf3 Rh5 24. Qg2 Qe6 25. Rce1 Qb6+ 26. Qf2 Qb4 27.
Rd1 Ng4 28. Qd4 Qxd4+ 29. Rxd4 Nf6 30. Re1 Re8 31. Rxe8+ Nxe8 32. Rd7 b6 33.
Rb7 Rf5 34. Nd4 Rf6 35. Kg2 g6 36. Ne4 Rf4 37. Re7 Kf8 38. Re5 Nd6 39. Nxd6
Rxd4 40. Re8+ Kg7 41. Rd8 Rd2+ 42. Kf3 Rxb2 43. Nc4 Rxa2 44. Nxb6 a5 45. Ra8 h5
46. Nc4 a4 47. Ra7 g5 48. Nd6 Kf6 49. Nxf7 g4+ 50. Kg3 Ra3+ 51. Kh4 *
Position (FEN): 8/R4N2/5k2/7p/p5pK/r7/8/8 b - - 3 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 443
Best move: Rh3#