Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. b3 Nc6 3. Bb5 Nd4 4. Bd3 d6 5. Bb2 Nf6 6. Ne2 e5 7. O-O Be7 8. f4
O-O 9. Nbc3 a6 10. a4 b6 11. Bc4 Bb7 12. d3 Qd7 13. f5 d5 14. Bxd5 Nxd5 15.
Nxd5 Bxd5 16. exd5 Bg5 17. Nxd4 Be3+ 18. Kh1 exd4 19. Bc1 Qxd5 20. Bxe3 dxe3
21. Qe2 Qd4 22. Rae1 Rfe8 23. Qf3 Rad8 24. Re2 Rd7 25. Qc6 Qd6 26. Qxd6 Rxd6
27. Rfe1 Rd5 28. Rxe3 Rxe3 29. Rxe3 h5 30. Kg1 Rxf5 31. Re8+ Kh7 32. Ra8 a5 33.
Rb8 Rf6 34. Rd8 Kg6 35. h4 Kf5 36. Rd5+ Kg4 37. Rg5+ Kf4 38. Kf2 g6 *
Position (FEN): 8/5p2/1p3rp1/p1p3Rp/P4k1P/1P1P4/2P2KP1/8 w - - 0 39
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 888
Best move: g3#