Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e5 3. d5 Bb4+ 4. Nd2 d6 5. Nf3 O-O 6. a3 Bxd2+ 7. Bxd2 Ne4 8.
Qc2 Bf5 9. Qb3 Nd7 10. e3 Ndc5 11. Qd1 a5 12. b4 axb4 13. axb4 Rxa1 14. Qxa1
Nxd2 15. Nxd2 Nd3+ 16. Bxd3 Bxd3 17. e4 f5 18. exf5 Qg5 19. g3 Bxf5 20. Qc3 Bh3
21. Qe3 Qf5 22. f3 Bg2 23. Rg1 Bxf3 24. Rf1 e4 25. Nxf3 exf3 26. Kf2 Qc2+ 27.
Ke1 Qxc4 28. Rxf3 Qxb4+ 29. Kf2 Rxf3+ 30. Kxf3 Qc4 *
Position (FEN): 6k1/1pp3pp/3p4/3P4/2q5/4QKP1/7P/8 w - - 1 31
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 449
Best move: Qe8#