Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8.
Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qe2 O-O 13. Rd1 Qc6 14. Rd6
Qa4 15. b3 Qa3 16. Qd2 a5 17. Bc4 Qc5 18. O-O Be6 19. Bd4 Qc8 20. Bxe6 fxe6 21.
Rc1 Nc6 22. Qe3 a4 23. b4 Qe8 24. a3 Qg6 25. Bb2 Qf5 26. h3 Rac8 27. Rc5 Ne7
28. Rd7 Nd5 29. Rcxd5 exd5 30. e6 Rf6 31. Bxf6 Qxf6 32. Qg3 Re8 33. Rf7 Qa1+
34. Kh2 Rxe6 35. Rxb7 Re8 36. b5 Qe5 37. b6 Qxg3+ 38. Kxg3 Re6 39. Kf4 g6 40.
h4 d4 41. g4 e3 42. fxe3 dxe3 43. Rb8+ Kf7 44. Rb7+ Kf6 *
Position (FEN): 8/1R5p/1P2rkp1/8/p4KPP/P3p3/8/8 w - - 4 45
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 867
Best move: g5#