Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d6 7. O-O Be7 8.
b3 O-O 9. Bb2 Be6 10. Nd2 Nd7 11. Re1 Nc5 12. b4 Nxd3 13. cxd3 d5 14. a3 a5 15.
bxa5 Rxa5 16. exd5 cxd5 17. Qe2 Bf6 18. Bxf6 Qxf6 19. Nb3 Rb5 20. Nd2 Rb2 21.
Qe3 Qc3 22. Nf3 Re8 23. Nd4 Qd2 24. Nxe6 Rxe6 25. Qxd2 Rxd2 26. Rxe6 fxe6 27.
a4 Rxd3 28. a5 Rb3 29. a6 Rb8 30. a7 Ra8 31. f3 Kf7 32. Kf2 Ke7 33. Ke3 Kd6 34.
Kd4 c5+ 35. Kd3 Kc6 36. Ra6+ Kd7 37. f4 g6 38. g3 Ke7 39. h4 Kf6 40. Ke3 Kf5
41. Kf3 e5 *
Position (FEN): r7/P6p/R5p1/2pppk2/5P1P/5KP1/8/8 w - - 0 42
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1005
Best move: g4#