Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Bc5 3. e4 Nc6 4. Be2 Nf6 5. Nf3 O-O 6. O-O d6 7. d3 h6 8. a3
Bd4 9. Nxd4 Nxd4 10. Be3 Be6 11. Bf3 Qd7 12. Bxd4 exd4 13. Nb5 a6 14. Nxd4 c5
15. Ne2 Rfe8 16. Ng3 Bh3 17. gxh3 Qxh3 18. Bg2 Qh4 19. Qf3 Ng4 20. h3 Ne5 21.
Qe3 Re6 22. Nf5 Qh5 23. Qg3 Ng6 24. Nxd6 b6 25. Nf5 Rae8 26. Bf3 Qg5 27. Qxg5
hxg5 28. Bh5 Nf4 29. Bg4 Nxd3 30. Nxg7 Kxg7 31. Bxe6 Rxe6 32. b4 cxb4 33. axb4
Nxb4 34. Ra4 a5 35. f3 Nd3 36. Ra3 Nf4 37. Kh2 Rd6 38. c5 Rd2+ 39. Kg3 *
Position (FEN): 8/5pk1/1p6/p1P3p1/4Pn2/R4PKP/3r4/5R2 b - - 2 39
Black to move.
Themes:  Endgame Hook Mate, Mate in 1 
Puzzle rating: 1098
Best move: Rg2#