Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5
9. cxd5 Bg4 10. O-O Na6 11. h3 Bxf3 12. Bxf3 Re8 13. g4 g5 14. fxg5 Nd7 15. Kg2
Nc7 16. h4 b5 17. Ne2 Be5 18. Ng3 Bxg3 19. Kxg3 Qe7 20. Qe2 a5 21. h5 Nxd5 22.
Qxb5 Rab8 23. Qe2 Nb4 24. b3 Qe5+ 25. Bf4 Qe6 26. Rae1 Ne5 27. Bxe5 Qxe5+ 28.
Kh4 Nc6 29. Qf2 Nd4 30. Bd1 Re7 31. Qf6 *
Position (FEN): 1r4k1/4rp1p/3p1Q2/p1p1q1PP/3nP1PK/1P6/P7/3BRR2 b - - 7 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1253
Best move: Qh2#