Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 e6 3. e3 Nc6 4. Nf3 a6 5. Bd3 d5 6. c3 Bd6 7. Nbd2 Bxf4 8.
exf4 Qd6 9. Ne5 Bd7 10. O-O Qe7 11. Qf3 O-O-O 12. b4 Nxe5 13. fxe5 Ne8 14. Rfb1
f6 15. b5 fxe5 16. dxe5 axb5 17. Bxb5 Bxb5 18. Rxb5 Qg5 19. Qe2 Rf8 20. Rab1 b6
21. a3 Rf5 22. Nf3 Qf4 23. a4 g5 24. a5 g4 25. Nh4 Rxe5 26. Qc2 Nd6 27. R5b4
Nc4 28. axb6 cxb6 29. Qa4 Re2 30. Qc6+ Qc7 31. Qa8+ Kd7 32. Qa4+ Ke7 33. Rd1
Qc5 34. Rxc4 Qxf2+ 35. Kh1 Re1+ 36. Rxe1 *
Position (FEN): 3r4/4k2p/1p2p3/3p4/Q1R3pN/2P5/5qPP/4R2K b - - 0 36
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 1245
Best move: Qxe1#