Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 g6 6. Nc3 Bg7 7. Qd2 O-O 8.
Bh6 Re8 9. f3 Bh8 10. O-O-O Nbd7 11. h4 Nh5 12. g4 Ng3 13. Rh2 Nxf1 14. Rxf1
Ne5 15. Nd5 Bxg4 16. fxg4 Nxg4 17. Bg5 Nxh2 18. Bxd8 Nxf1 19. Qf2 Raxd8 20.
Nf6+ Bxf6 21. Qxf6 Ng3 22. Nf3 Nxe4 23. Qd4 c5 24. Qg1 b5 25. h5 c4 26. h6 a5
27. Qd4 f6 28. Qd5+ Kh8 29. Qxb5 c3 30. b3 Nd2 31. Nxd2 *
Position (FEN): 3rr2k/7p/3p1ppP/pQ6/8/1Pp5/P1PN4/2K5 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 489
Best move: Re1#