Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. d3 Nd4 5. Nxe5 Ne6 6. c3 Bxf2+ 7. Kxf2 Qf6+
8. Nf3 Nh6 9. Rf1 O-O 10. Kg1 d6 11. Bxe6 Qxe6 12. Nd4 Qg6 13. Bxh6 Qxh6 14.
Nd2 c5 15. Nf5 Bxf5 16. Rxf5 b5 17. a4 bxa4 18. Rxa4 Qe3+ 19. Kh1 Qxd3 20. Ra1
Rfe8 21. Rd5 Qb5 22. b3 Re6 23. c4 Qb4 24. Qc2 a5 25. Nf3 h6 26. Nh4 g6 27. Nf3
Rae8 28. Nd2 f5 29. Ra4 Rxe4 30. Nxe4 *
Position (FEN): 4r1k1/8/3p2pp/p1pR1p2/RqP1N3/1P6/2Q3PP/7K b - - 0 30
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 915
Best move: Qe1#