Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bxf6 Qxf6 6. e3 O-O 7. Nf3 b6 8. Be2
Bb7 9. O-O d5 10. Rc1 dxc4 11. Bxc4 a6 12. a3 Bd6 13. b4 Nd7 14. Bd3 Rae8 15.
Ne4 Bxe4 16. Bxe4 e5 17. d5 Qe7 18. Qc2 g6 19. Bd3 e4 20. Bxa6 exf3 21. gxf3
Qh4 22. f4 Nf6 23. Be2 Ng4 24. Bxg4 Qxg4+ 25. Kh1 Qf3+ 26. Kg1 h5 27. Qd1 Qe4
28. Re1 Kh7 29. Qd2 h4 30. Kf1 Bxf4 31. exf4 *
Position (FEN): 4rr2/2p2p1k/1p4p1/3P4/1P2qP1p/P7/3Q1P1P/2R1RK2 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1011
Best move: Qh1#