Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. h3 h6 4. Bc4 Nf6 5. d4 exd4 6. Qxd4 Nc6 7. Qd3 Be7 8. a3
a6 9. Nc3 Be6 10. Bxe6 fxe6 11. O-O Qd7 12. Re1 O-O-O 13. e5 dxe5 14. Nxe5 Nxe5
15. Rxe5 Nd5 16. Nxd5 exd5 17. Bf4 g5 18. Bg3 Bf6 19. Qf5 Bxe5 20. Qxe5 Rde8
21. Qc3 Rh7 22. Rd1 c6 23. Qa5 Rhe7 24. b3 h5 25. Qb6 h4 26. Bh2 Re1+ 27. Rxe1
*
Position (FEN): 2k1r3/1p1q4/pQp5/3p2p1/7p/PP5P/2P2PPB/4R1K1 b - - 0 27
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 453
Best move: Rxe1#