Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. Bb5 a6 5. Bxc6 bxc6 6. O-O d5 7. d3 Bd6 8. Re1
Bd7 9. exd5 cxd5 10. Nxd5 Bc6 11. Nc3 Qc7 12. Ne4 Be7 13. Bd2 Nf6 14. Bc3 c4
15. Be5 Qd7 16. Nxf6+ gxf6 17. Bg3 cxd3 18. cxd3 Rc8 19. Rc1 O-O 20. Bf4 Kh8
21. d4 Qb7 22. b3 Bb4 23. Re3 Bd5 24. Bh6 Rxc1 25. Qxc1 Rc8 26. Qd1 Bd6 27. Qe2
f5 28. Qd2 Rg8 29. Kf1 Qb5+ 30. Qe2 Qxe2+ 31. Rxe2 Bxf3 32. gxf3 Rg6 33. Bd2
Bxh2 34. d5 *
Position (FEN): 7k/5p1p/p3p1r1/3P1p2/8/1P3P2/P2BRP1b/5K2 b - - 0 34
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 668
Best move: Rg1#