Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. c3 Bg7 5. Nd2 O-O 6. Ngf3 Bg4 7. Qc2 Nbd7 8.
Bd3 c5 9. Ne5 cxd4 10. exd4 Ne8 11. h3 Be6 12. Ndf3 Nd6 13. h4 h5 14. O-O-O Nc4
15. Nxc4 dxc4 16. Be4 Nf6 17. Ne5 Bg4 18. f3 Bf5 19. Bxf5 gxf5 20. Qxf5 e6 21.
Qg5 Nd5 22. Qxh5 Qa5 23. Kb1 Nb6 24. Bh6 Qb5 25. Bxg7 Kxg7 26. Qg5+ Kh7 27. h5
Na4 28. Rd2 f6 29. Qg6+ Kh8 30. h6 fxe5 *
Position (FEN): r4r1k/pp6/4p1QP/1q2p3/n1pP4/2P2P2/PP1R2P1/1K5R w - - 0 31
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 865
Best move: Qg7#