Chess puzzle (Checkmate)
Moves: 1. f3 c5 2. Kf2 g6 3. e3 Bg7 4. d4 cxd4 5. exd4 d5 6. c3 Nc6 7. Bd3 e5 8. dxe5
Nxe5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. Ne2 Qb5 12. Nd4 Qb6 13. Re1 O-O-O 14. Na3
Ne7 15. Bf4 N7c6 16. Nb5 a6 17. a4 axb5 18. axb5 Nxd4 19. cxd4 Nc4 20. Re7
Qxd4+ 21. Kg3 Qxf4+ 22. Kxf4 Bh6+ 23. Kg3 Kb8 24. Qa4 Nb6 25. Qa7+ Kc8 26. Qa8+
Nxa8 *
Position (FEN): n1kr3r/1p2Rp1p/6pb/1P1p4/8/5PK1/1P4PP/R7 w - - 0 27
White to move.
Themes: Queenside Attack Endgame Mate in 1 
Puzzle rating: 887
Best move: Rxa8#