Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. f4 e6 3. Nf3 Be7 4. Bc4 d5 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Qxd7
8. O-O Nf6 9. Ne5 Qc7 10. Nc3 a6 11. Kh1 O-O 12. d4 Nc6 13. Be3 cxd4 14. Bxd4
Nxd4 15. Qxd4 Bc5 16. Qd3 Rad8 17. Rad1 b5 18. Qf3 d4 19. Ne4 Nxe4 20. Qxe4
Rfe8 21. Qf5 Rd5 22. Qg4 Bd6 23. Rd2 Bxe5 24. fxe5 Qxe5 25. Rfd1 Qe1+ 26. Rxe1
*
Position (FEN): 4r1k1/5ppp/p7/1p1r4/3p2Q1/8/PPPR2PP/4R2K b - - 0 26
Black to move.
Themes:  Endgame, Queen and Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 544
Best move: Rxe1#