Chess puzzle (Checkmate)
Moves: 1. d3 d5 2. g3 e5 3. Bg2 Nf6 4. Nd2 Nc6 5. Ngf3 e4 6. dxe4 dxe4 7. Nh4 e3 8.
fxe3 Ne5 9. O-O Bc5 10. Ndf3 Nxf3+ 11. exf3 Qxd1 12. Rxd1 O-O 13. Kh1 Be6 14.
e4 Rad8 15. Bg5 Rxd1+ 16. Rxd1 Nh5 17. g4 h6 18. Bxh6 gxh6 19. gxh5 Bf2 20. Nf5
Bxf5 21. exf5 Re8 22. Rd7 Re1+ 23. Bf1 Bb6 24. Kg2 Rc1 25. Bd3 Kg7 26. b3 Kf6
27. Be4 Kg5 28. Rxf7 Kh4 29. Rg7 *
Position (FEN): 8/ppp3R1/1b5p/5P1P/4B2k/1P3P2/P1P3KP/2r5 b - - 2 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 817
Best move: Rg1#