Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. Nc3 Bc5 5. O-O Nf6 6. a3 a6 7. b4 Bd4 8. Bb2
b5 9. Bb3 Bb7 10. d3 O-O 11. Nxd4 Nxd4 12. Ne2 Nxb3 13. cxb3 d6 14. a4 Qd7 15.
f4 bxa4 16. bxa4 Rfe8 17. f5 d5 18. exd5 Nxd5 19. Ng3 Ne3 20. Qe2 Nxf1 21. Kxf1
Qd5 22. Ne4 Rad8 23. Rd1 Qb3 24. Nc5 Qd5 25. Nxb7 Qxb7 26. f6 Qxb4 27. fxg7
Qxa4 28. Qh5 Qf4+ 29. Kg1 Qe3+ 30. Kh1 Rxd3 31. Rf1 Rd7 32. Bc1 Qd3 33. Kg1 Qg6
34. Qxg6 fxg6 35. Bxh6 Rxg7 36. Bxg7 Kxg7 37. Rc1 Re7 38. Kf2 Kf6 39. Ke3 Rd7
40. Rc6+ Kf5 41. Rxa6 c5 42. Rc6 Rd5 43. h3 g5 *
Position (FEN): 8/8/2R5/2prpkp1/8/4K2P/6P1/8 w - - 0 44
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 875
Best move: g4#