Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 c6 4. Nf3 Nbd7 5. Bd3 Qb6 6. b3 e6 7. O-O Be7 8. Nbd2
O-O 9. c4 c5 10. cxd5 Nxd5 11. dxc5 Nxc5 12. Nc4 Qd8 13. Be5 Nxd3 14. Qxd3 Bf6
15. Bd4 Nb4 16. Qc3 Bxd4 17. Nxd4 Nd5 18. Qc2 Qg5 19. Nf3 Qh5 20. Rad1 b6 21.
Ncd2 Bb7 22. a3 Rac8 23. Qb2 Nc3 24. Rde1 Ne4 25. Nc4 Ba6 26. Rc1 b5 27. Nce5
f6 28. Nd7 Rfd8 29. Nc5 Nxc5 30. b4 Nd3 31. Rxc8 Rxc8 32. Qd4 Qd5 33. Qxa7 Bb7
34. Rd1 Nxb4 35. Rxd5 Rc1+ 36. Ne1 *
Position (FEN): 6k1/Qb4pp/4pp2/1p1R4/1n6/P3P3/5PPP/2r1N1K1 b - - 2 36
Black to move.
Themes: Hanging Piece Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 733
Best move: Rxe1#