Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. c3 Nc6 8.
Bg5 O-O 9. Qf3 d6 10. Nd2 Be6 11. Rad1 Qe7 12. Bxe6 fxe6 13. Qe3 h6 14. Bxf6
Rxf6 15. Qd3 Raf8 16. Qb5 Nd8 17. Qb3 Qf7 18. f3 Qg6 19. Rf2 a6 20. Rdf1 b5 21.
c4 c6 22. cxb5 axb5 23. Qc3 c5 24. Qd3 Nf7 25. Qxb5 Ng5 26. Qd3 Nh3+ 27. Kh1
Nxf2+ 28. Rxf2 d5 29. Kg1 c4 30. Qc3 Qg5 31. a4 Qg6 32. Re2 Qe8 33. exd5 exd5
34. Rxe5 Qxa4 35. Rxd5 Qd1+ 36. Kf2 Re8 37. Qxc4 *
Position (FEN): 4r1k1/6p1/5r1p/3R4/2Q5/5P2/1P1N1KPP/3q4 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1496
Best move: Qe1#