Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bd3 g6 5. Bg5 h6 6. Be3 Bg7 7. Qd2 e5 8. d5
Nc5 9. f3 b6 10. Bb5+ Bd7 11. Be2 a6 12. Nh3 Qc8 13. Nf2 Nh5 14. g3 Bh3 15.
Nxh3 Qxh3 16. O-O-O O-O 17. Bxh6 Bxh6 18. Qxh6 Qd7 19. f4 Nf6 20. f5 Nfxe4 21.
Nxe4 Nxe4 22. fxg6 fxg6 23. Qxg6+ Qg7 24. Qxe4 Rf6 25. Kb1 Raf8 26. h4 b5 27.
h5 Qh6 28. g4 Rf4 29. Qg6+ Qxg6 30. hxg6 Kg7 31. Rdf1 Rd4 32. Rxf8 Kxf8 33. Rh7
Re4 34. Bd3 *
Position (FEN): 5k2/2p4R/p2p2P1/1p1Pp3/4r1P1/3B4/PPP5/1K6 b - - 3 34
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 505
Best move: Re1#