Chess puzzle (Checkmate)
Moves: 1. c4 f5 2. Nc3 Nf6 3. g3 e5 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5 c6 8.
Nf3 Nd7 9. Bh3 g6 10. O-O-O Ke7 11. e4 h6 12. Be3 Ng4 13. Nh4 Kf6 14. exf5 gxf5
15. Nxf5 Kxf5 16. f3 h5 17. fxg4+ hxg4 18. Rdf1+ Kg6 19. Bxg4 Nf6 20. Bd1 Bh6
21. Bc2+ Kg7 22. Bxh6+ Rxh6 23. Bf5 Bxf5 24. Rxf5 Re8 25. Rhf1 e4 26. g4 Nxg4
27. Rg5+ Rg6 28. Rxg6+ Kxg6 29. Rg1 Kh5 30. h3 Nf2 31. Ne2 e3 32. Kc2 Rd8 33.
Kc3 Kh4 34. Rg7 Rd2 35. Nf4 Ne4+ 36. Kb3 Rf2 *
Position (FEN): 8/pp4R1/2p5/8/2P1nN1k/1K2p2P/PP3r2/8 w - - 10 37
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1506
Best move: Rg4#