Chess puzzle (Checkmate)
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 d6 4. exd6 Bxd6 5. e4 Bg4 6. h3 Bh5 7. Nc3 Ne5 8.
g4 Bg6 9. Nxe5 Bxe5 10. Bd3 Qf6 11. Bd2 O-O-O 12. Rf1 Qh4 13. Qf3 h5 14. O-O-O
hxg4 15. hxg4 Qe7 16. Rh1 Nf6 17. Bg5 Qe6 18. Bxf6 Bxf6 19. Rxh8 Rxh8 20. Kb1
Bxc3 21. bxc3 Qb6+ 22. Ka1 Qa5 23. Bc4 Qa4 24. Bb3 Qxe4 25. Qxe4 Bxe4 26. Kb2
f6 27. Be6+ Kb8 28. Rd7 Rh7 29. Bd5 Bxd5 *
Position (FEN): 1k6/pppR2pr/5p2/3b4/6P1/2P5/PKP2P2/8 w - - 0 30
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 765
Best move: Rd8#