Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. O-O Bc5 6. Nbd2 O-O 7. e4 dxe4 8.
dxe4 Bg4 9. h3 Bh5 10. Re1 Nd4 11. c3 Nxf3+ 12. Bxf3 Bxf3 13. Qxf3 Qd7 14. Kg2
Rad8 15. Nc4 Rfe8 16. Bg5 Qd3 17. Qxd3 Rxd3 18. f3 b5 19. Ne3 Rd2+ 20. Kh1 Rxb2
21. Bxf6 gxf6 22. Nd5 Kg7 23. Nxc7 Rc8 24. Nd5 Bf2 25. Reb1 Re2 26. Rxb5 Bxg3
27. Rg1 *
Position (FEN): 2r5/p4pkp/5p2/1R1Np3/4P3/2P2PbP/P3r3/6RK b - - 1 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 777
Best move: Rh2#