Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 Nc6 4. Nc3 Bg4 5. e3 e6 6. Be2 Bb4 7. a3 Bxc3+ 8.
bxc3 Bxf3 9. Bxf3 dxc4 10. Qa4 Nd5 11. Qxc4 O-O 12. Bd2 Na5 13. Qa2 Nc6 14. c4
Nde7 15. Rb1 b6 16. Qb2 Rb8 17. Qb5 Qd6 18. Bc3 a5 19. O-O Na7 20. Qb3 b5 21.
Bxa5 bxc4 22. Qxc4 Qxa3 23. Bb4 Qa4 24. Qc5 Nec6 25. Bxc6 Nxc6 26. Bc3 Rxb1 27.
Rxb1 Nd8 28. Qxc7 Qc2 29. Ra1 e5 30. Ba5 Qb2 31. Qc3 Qxc3 32. Bxc3 exd4 33.
Bxd4 Ne6 34. Bc3 Rc8 35. Bb4 h6 36. g3 Ng5 37. Kg2 Rc2 38. Ra8+ Kh7 39. Re8 f6
40. h4 Nf7 41. Re7 Ne5 42. Rb7 Nd3 43. Bf8 Rxf2+ 44. Kh3 f5 45. Rxg7+ Kh8 46.
Rg6 Ne1 47. Rxh6+ Kg8 48. Bd6 Nf3 49. Rg6+ Kf7 50. Rh6 *
Position (FEN): 8/5k2/3B3R/5p2/7P/4PnPK/5r2/8 b - - 6 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 521
Best move: Rh2#