Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. d4 d5 3. c5 Nc6 4. Nc3 e5 5. e3 Bg4 6. Be2 Bxe2 7. Ngxe2 exd4 8.
Nxd4 Bxc5 9. Nxc6 bxc6 10. O-O O-O 11. Ne2 Re8 12. Nd4 Qd7 13. a3 Bd6 14. h3
Rab8 15. b4 Ne4 16. f4 c5 17. bxc5 Bxc5 18. Nf3 c6 19. Ne5 Qe6 20. Qa4 Rbc8 21.
Re1 f6 22. Nd3 Bb6 23. Bb2 c5 24. Nf2 c4 25. Nxe4 Qxe4 26. Bc1 d4 27. Rb1 d3
28. Bd2 Qxf4 29. Rf1 Bxe3+ 30. Bxe3 Qxe3+ 31. Kh1 c3 32. Qb3+ Kh8 33. Rbe1 Qb6
34. Rxe8+ Rxe8 35. Qxc3 Qe3 36. Rd1 Rd8 37. Qd2 Qe2 38. Qxe2 dxe2 *
Position (FEN): 3r3k/p5pp/5p2/8/8/P6P/4p1P1/3R3K w - - 0 39
White to move.
Themes: Hanging Piece Endgame, Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 684
Best move: Rxd8#