Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. c4 b6 5. Nc3 Bb4 6. Be2 Ne4 7. Qc2 O-O 8. O-O
Bxc3 9. bxc3 c5 10. Nd2 Nxd2 11. Bxd2 cxd4 12. cxd4 Nc6 13. a4 e5 14. cxd5 Na5
15. Bb4 Re8 16. d6 exd4 17. Bb5 Re6 18. exd4 Rg6 19. Rfe1 a6 20. Re8+ Qxe8 21.
Bxe8 Be6 22. d7 Rd8 23. Be7 Bxd7 24. Bxd8 Bxe8 25. Re1 Bc6 26. Qxc6 Nxc6 *
Position (FEN): 3B2k1/5ppp/ppn3r1/8/P2P4/8/5PPP/4R1K1 w - - 0 27
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 399
Best move: Re8#