Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. Nc3 Nbd7 7. e4 e5 8. h3
exd4 9. Nxd4 Re8 10. Re1 a6 11. Be3 h6 12. Qd2 Kh7 13. f4 Nc5 14. Bf2 Nfd7 15.
Rad1 Nf8 16. Kh2 Rb8 17. Nd5 Nfe6 18. Nxe6 Nxe6 19. f5 Nf8 20. Bd4 Be5 21. Rf1
g5 22. h4 gxh4 23. Bxe5 Rxe5 24. Qf4 hxg3+ 25. Kxg3 Qg5+ 26. Qxg5 hxg5 27. Rh1+
Kg7 28. f6+ Kg6 29. Rh8 Be6 30. Rdh1 Bxd5 *
Position (FEN): 1r3n1R/1pp2p2/p2p1Pk1/3br1p1/4P3/6K1/PPP3B1/7R w - - 0 31
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1834
Best move: R1h6#