Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Be3 Nc6 7. Bb5 cxd4 8.
Bxd4 Nxd4 9. Qxd4 a6 10. Bxd7+ Bxd7 11. O-O Bc6 12. Rad1 Be7 13. Qg4 O-O 14.
Ne4 h6 15. Nd4 Bd7 16. Ng3 Rc8 17. Nh5 Bg5 18. f4 f5 19. exf6 Bxf6 20. Nxe6
Qb6+ 21. Kh1 Bxe6 22. f5 Bf7 23. Nxf6+ Qxf6 24. c3 Rc4 25. Rf4 h5 26. Qf3 Rxf4
27. Qxf4 Re8 28. Qc7 Qe7 29. Qg3 Qe5 30. Qg5 Qe1+ 31. Rxe1 *
Position (FEN): 4r1k1/1p3bp1/p7/3p1PQp/8/2P5/PP4PP/4R2K b - - 0 31
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 599
Best move: Rxe1#