Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 a6 4. Nf3 d6 5. Bc4 e6 6. Nxd4 Nc6 7. O-O Nf6 8. Qe2
Be7 9. Rd1 O-O 10. e5 Nxe5 11. Bf4 Nxc4 12. Qxc4 Qb6 13. b3 e5 14. Be3 exd4 15.
Rxd4 Be6 16. Qd3 Qc7 17. Bf4 Rfd8 18. Nd2 Ne8 19. Nc4 b5 20. Nb2 Rac8 21. Rc1
Bf6 22. Re4 Bf5 23. Rxe8+ Rxe8 24. Qxf5 Bxc3 25. Nd1 Bd2 26. Rxc7 *
Position (FEN): 2r1r1k1/2R2ppp/p2p4/1p3Q2/5B2/1P6/P2b1PPP/3N2K1 b - - 0 26
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 1107
Best move: Re1#