Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. a3 e6 3. b4 cxb4 4. axb4 Bxb4 5. Bb2 Nf6 6. e5 Nd5 7. Qg4 O-O 8.
Nf3 Nc6 9. Bd3 f5 10. exf6 Nxf6 11. Qh4 h6 12. Na3 Be7 13. O-O d6 14. Nc4 e5
15. Rfe1 Nd5 16. Qe4 Nf6 17. Qg6 Be6 18. Nh4 Bf7 19. Qf5 Qd7 20. Ng6 Qxf5 21.
Bxf5 Bxc4 22. d4 Nd5 23. Be6+ Kh7 24. Nxe7 Ncxe7 25. dxe5 dxe5 26. Rxe5 Rf6 27.
Ree1 Rxe6 28. Rxe6 Nc6 29. Ree1 Ndb4 30. Ra4 Nxc2 31. Rc1 b5 32. Rxc4 bxc4 33.
Rxc2 Na5 34. Bc3 Rd8 35. Kf1 Nc6 36. Ke2 Re8+ 37. Kf3 Ne5+ 38. Kg3 Nd3 39. Kf3
g6 40. h4 g5 41. Ra2 Nc5 42. Rxa7+ Kg6 43. h5+ Kxh5 44. g4+ Kg6 *
Position (FEN): 4r3/R7/6kp/2n3p1/2p3P1/2B2K2/5P2/8 w - - 1 45
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 747
Best move: Rg7#