Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8.
Bg5 Be7 9. Bxf6 Bxf6 10. Nxf6+ Qxf6 11. Be2 O-O 12. c3 Rad8 13. Qc2 e5 14. Nxe5
Nxe5 15. dxe5 Qxe5 16. Bd3 g6 17. Rae1 Qg5 18. f3 Rfe8 19. Be4 Bxe4 20. Rxe4
Rxe4 21. Qxe4 Qc5+ 22. Kh1 c6 23. Qa4 Rd2 24. Re1 Qf2 25. Rg1 Rxb2 26. Qa5 Rxa2
27. Qd8+ Kg7 28. Qe7 Re2 29. Qxb7 Re1 30. Rxe1 *
Position (FEN): 8/pQ3pkp/2p3p1/8/8/2P2P2/5qPP/4R2K b - - 0 30
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 529
Best move: Qxe1#