Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Bb4+ 6. Nc3 Bxc3+ 7. bxc3 Nf6
8. Nf3 Bg4 9. O-O O-O 10. h3 Bh5 11. Qd3 Nc6 12. Bg5 h6 13. Bh4 Rb8 14. Qf5
Bxf3 15. Qxf3 Nxd4 16. cxd4 Qxd4 17. Bxf6 Qxf6 18. Qxf6 gxf6 19. Bd5 c5 20.
Rfc1 b6 21. a4 a5 22. Rab1 Rfd8 23. Bc6 Rd6 24. Rxc5 Rd1+ 25. Rxd1 bxc5 26. Bb5
Rc8 27. Rc1 Rd8 28. Rxc5 Rd1+ 29. Kh2 Rd2 30. f3 Kg7 31. Rc6 Kg6 32. Ra6 Kg5
33. Rxa5 f5 34. Ra6 Kf4 35. Be8 Ke3 36. Bxf7 Kf2 37. Rxh6 Kf1 38. Rg6 Kf2 39.
h4 Rd4 40. a5 *
Position (FEN): 8/5B2/6R1/P4p2/3r3P/5P2/5kPK/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 819
Best move: Rxh4#