Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nc3 Nf6 3. g3 Bg4 4. Nf3 e6 5. Ne5 Bd6 6. h3 Bf5 7. g4 Bg6 8. Nxg6
fxg6 9. Bg5 Nc6 10. a3 Qd7 11. e3 O-O-O 12. Bb5 Rdf8 13. Qe2 Ne4 14. Nxe4 dxe4
15. O-O-O Rf3 16. d5 exd5 17. Rxd5 Rhf8 18. Bf4 Qe7 19. Bxd6 cxd6 20. Bxc6 bxc6
21. Qa6+ Qb7 22. Qxb7+ Kxb7 23. Rxd6 R8f7 24. Rh2 Rxf2 25. Rxf2 Rxf2 26. Rd7+
Kb6 27. Rxg7 Rf3 28. Rxh7 Rxe3 29. Rh6 Rg3 30. Rxg6 e3 31. Re6 *
Position (FEN): 8/p7/1kp1R3/8/6P1/P3p1rP/1PP5/2K5 b - - 1 31
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 484
Best move: Rg1#