Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. Nbd2 Nf6 4. a3 e6 5. e3 Bd6 6. c4 O-O 7. c5 Be7 8. b4
Qe8 9. Bd3 a6 10. Bb2 Nd7 11. e4 dxe4 12. Nxe4 f5 13. Ned2 Nf6 14. Qb3 Kh8 15.
g3 b5 16. cxb6 cxb6 17. O-O Qf7 18. Rac1 Bb7 19. Ng5 Qh5 20. Ngf3 Nd8 21. Be2
Bd5 22. Qd1 Qh6 23. Nc4 Ng4 24. Nce5 Nc6 25. h4 Ncxe5 26. dxe5 g5 27. Rc7 Rae8
28. Rxe7 Rxe7 29. Nxg5 Rg7 30. Bxg4 Rxg5 31. hxg5 *
Position (FEN): 5r1k/7p/pp2p2q/3bPpP1/1P4B1/P5P1/1B3P2/3Q1RK1 b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 875
Best move: Qh1#