Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Nf3 b6 6. Be3 Bb7 7. Bd3 O-O 8. Qd2
Nbd7 9. Bh6 e5 10. Bxg7 Kxg7 11. d5 Nc5 12. b4 Ncd7 13. O-O c5 14. bxc5 Nxc5
15. a4 Nb3 16. Qb2 Nxa1 17. Rxa1 Bc8 18. a5 Nd7 19. axb6 Nxb6 20. Nb5 f5 21.
exf5 Bxf5 22. Bxf5 Rxf5 23. Nh4 Qxh4 24. Nxd6 Rf6 25. Qxe5 Qxf2+ 26. Kh1 Nd7
27. Qe7+ Kh6 28. Rg1 Raf8 29. Qxd7 Qxg1+ 30. Kxg1 *
Position (FEN): 5r2/p2Q3p/3N1rpk/3P4/2P5/8/6PP/6K1 b - - 0 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 658
Best move: Rf1#