Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 dxc6 7. Nc3 Be6
8. Na4 Rd8 9. Bd3 Bd6 10. O-O b5 11. Nc3 Bb4 12. a3 Ba5 13. b4 Bb6 14. Bb2 Bd4
15. Rab1 Ne7 16. Kh1 O-O 17. f4 a6 18. e5 Qh6 19. Qe2 Nf5 20. Ne4 Bb6 21. c3
Bd5 22. Rf3 Qe6 23. Rh3 g6 24. Nf6+ Qxf6 25. exf6 Rfe8 26. Qg4 Be4 27. Bxe4
Rxe4 28. Qf3 Rde8 29. g4 Re1+ 30. Rxe1 Rxe1+ 31. Kg2 *
Position (FEN): 6k1/2p2p1p/pbp2Pp1/1p3n2/1P3PP1/P1P2Q1R/1B4KP/4r3 b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1367
Best move: Rg1#