Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O 6. e3 b6 7. cxd5 Nxd5 8.
Bxe7 Nxe7 9. Bd3 Nd7 10. O-O a5 11. Qc2 Nf6 12. Ne4 Ned5 13. Nxf6+ Nxf6 14.
Rac1 Ra7 15. Ne5 Bb7 16. Qxc7 Qxc7 17. Rxc7 Nd5 18. Nc6 Nxc7 19. Nxa7 Ra8 20.
Nb5 Nxb5 21. Bxb5 Ba6 22. Bxa6 Rxa6 23. Rc1 g6 24. Rc8+ Kg7 25. Rb8 Kf6 26. e4
h5 27. d5 exd5 28. exd5 Ke5 29. Rd8 b5 30. Kf1 Rd6 31. Rb8 Rxd5 32. Ke2 b4 33.
Ra8 Rc5 34. Kd3 g5 35. g3 g4 36. Ra6 Kf5 37. Ke3 Kg5 38. f4+ gxf3 39. Kxf3 f5 *
Position (FEN): 8/8/R7/p1r2pkp/1p6/5KP1/PP5P/8 w - - 0 40
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 869
Best move: h4#