Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 e6 5. Bc4 Nf6 6. d3 Be7 7. O-O O-O 8. Bb3
a6 9. a4 Nd4 10. Nxd4 cxd4 11. Ne2 Qb6 12. Kh1 e5 13. f5 Bd7 14. Ng1 Qc7 15.
Nf3 h6 16. Qe1 Kh7 17. Qg3 Be8 18. Qh3 Nd7 19. g4 f6 20. Rg1 Qd8 21. g5 fxg5
22. Nxg5+ Bxg5 23. Bxg5 Nf6 24. Rg2 Bf7 25. Rag1 Bxb3 26. Bxf6 Qxf6 27. Rxg7+
Qxg7 28. Rxg7+ Kxg7 29. cxb3 Kh7 30. Qg4 Rg8 31. Qh4 Rg5 32. Qe1 Rag8 33. h4
Rg2 34. Qb4 Rg1+ 35. Kh2 R8g2+ 36. Kh3 Rg7 37. Qxd6 *
Position (FEN): 8/1p4rk/p2Q3p/4pP2/P2pP2P/1P1P3K/1P6/6r1 b - - 0 37
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1491
Best move: Rh1#