Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d5 6. e5 Ng4 7. h3 Nh6 8. Nf3
dxc4 9. Bxc4 c5 10. d5 a6 11. a4 Bd7 12. e6 fxe6 13. dxe6 Bc6 14. O-O Nf5 15.
Ne5 Qxd1 16. Rxd1 Bxe5 17. fxe5 Nh4 18. Bg5 Nxg2 19. Bxe7 Rf4 20. Bxc5 Rxc4 21.
Rd8+ Kg7 22. e7 Rxc5 23. e8=Q Bxe8 24. Rxe8 Nh4 25. Rf1 Nf5 26. Ne4 Rc6 27. Nd6
Nxd6 28. exd6 Rxd6 29. Re7+ Kh6 30. Rff7 b5 31. h4 Kh5 32. Kg2 Nc6 33. Rxh7+
Kg4 34. Re4+ Kf5 35. Re3 Rd2+ 36. Kf3 Ne5+ 37. Kg3 Rxb2 38. Re7 Nc4 *
Position (FEN): r7/4R3/p5p1/1p3k2/P1n4P/4R1K1/1r6/8 w - - 2 39
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 944
Best move: Rf3#