Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. e3 Nf6 3. f4 c5 4. Nf3 Bf5 5. Bd3 Ne4 6. c3 c4 7. Bxe4 Bxe4 8. Nbd2
Bd3 9. b3 cxb3 10. Nxb3 Be4 11. Ba3 e6 12. Bxf8 Kxf8 13. O-O h6 14. Ne5 Nd7 15.
Nxd7+ Qxd7 16. Nc5 Qe7 17. Nxe4 dxe4 18. f5 e5 19. Qg4 exd4 20. cxd4 h5 21. Qg3
b6 22. Rac1 Kg8 23. f6 Qf8 24. fxg7 Qxg7 25. Qxg7+ Kxg7 26. Rc7 Rhf8 27. Rf5
Kg6 28. Rf4 f5 29. h4 Rfc8 30. Rd7 Rc1+ 31. Kh2 Re1 32. Rd6+ Kg7 33. Rxf5 Rxe3
34. Rxh5 Re2 35. Re6 Rxa2 36. d5 Re2 37. d6 Rd8 38. Rhe5 Rd2 39. Re7+ Kf6 40.
Rxe4 a5 41. R7e6+ Kf5 42. R4e5+ Kf4 43. Kh3 Rd3+ 44. Kh2 R8xd6 45. Re4+ Kf5 *
Position (FEN): 8/8/1p1rR3/p4k2/4R2P/3r4/6PK/8 w - - 2 46
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1636
Best move: g4#