Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8.
Qd2 d5 9. O-O-O dxe4 10. Nxe4 Nxd4 11. Nxf6+ Bxf6 12. Bxd4 Bxd4 13. Qxd4 Qxd4
14. Rxd4 Bf5 15. Bd3 Bxd3 16. Rxd3 Rfd8 17. Rhd1 Rxd3 18. Rxd3 e6 19. Rd7 b6
20. Kd2 Kg7 21. Kd3 Kf6 22. Ke4 a6 23. Rb7 b5 24. Rb6 Ke7 25. g4 Rd8 26. Rxa6
Rd2 27. Rb6 Rxh2 28. Rxb5 Rxc2 29. a4 Rc4+ 30. Ke5 *
Position (FEN): 8/4kp1p/4p1p1/1R2K3/P1r3P1/5P2/1P6/8 b - - 2 30
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1181
Best move: f6#