Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 Bxf6 6. Nf3 O-O 7. e4 dxe4 8.
Nxe4 Bg7 9. h4 Bg4 10. Be2 Bxf3 11. Bxf3 Qxd4 12. h5 Qxd1+ 13. Rxd1 Nc6 14. b3
Rad8 15. hxg6 Rxd1+ 16. Kxd1 fxg6 17. Ng5 h6 18. Bd5+ Kh8 19. Ne6 Rxf2 20. Nxc7
Rxa2 21. Rh3 Ra1+ 22. Kd2 Ra2+ 23. Kd3 Nb4+ 24. Ke3 Nxd5+ 25. Nxd5 Rxg2 26.
Nxe7 g5 27. Rf3 Rc2 28. Nd5 g4 29. Rf5 g3 30. Rf3 g2 31. Rg3 Be5 32. Rg4 Rb2
33. Kf3 g1=N+ 34. Rxg1 Rxb3+ 35. Ke4 Bd6 36. Rg6 Bf8 37. Nf6 Rb6 *
Position (FEN): 5b1k/pp6/1r3NRp/8/2P1K3/8/8/8 w - - 6 38
White to move.
Themes:  Endgame Arabian Mate, Mate in 1 
Puzzle rating: 538
Best move: Rg8#