Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. d4 d5 3. e3 Nc6 4. Nf3 e6 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne4 8.
Ne5 Nxc3 9. bxc3 Nxe5 10. dxe5 c6 11. cxd5 cxd5 12. c4 O-O 13. cxd5 Qa5+ 14.
Qd2 Qxd2+ 15. Kxd2 exd5 16. f4 Be6 17. Be2 Rfd8 18. Kd3 b5 19. Rhd1 a6 20. Bf3
Rac8 21. Rd2 Rc4 22. Rad1 Rdc8 23. Ke2 Rc2 24. Ke1 Rc1 25. Bxd5 Rxd1+ 26. Rxd1
Rc2 27. Bb3 Bxb3 *
Position (FEN): 6k1/5ppp/p7/1p2P3/5P2/1b2P3/P1r3PP/3RK3 w - - 0 28
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 430
Best move: Rd8#