Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. h3 d6 6. Nf3 Nbd7 7. d5 e5 8. g4 Nb6
9. Be3 c6 10. Be2 cxd5 11. cxd5 Bd7 12. Nd2 Rc8 13. h4 Ne8 14. h5 g5 15. h6 Bf6
16. Nf3 Kh8 17. Qd2 Rg8 18. Rc1 Bxg4 19. Nxe5 Bxe5 20. Bxg4 Rc7 21. Rh5 f6 22.
Bf5 Nd7 23. f4 gxf4 24. Bxf4 Qe7 25. Kf2 Bxf4 26. Qxf4 Ne5 27. Rd1 Rc4 28. Be6
Rg5 29. Ne2 Rxh5 30. Qg3 Rxh6 *
Position (FEN): 4n2k/pp2q2p/3pBp1r/3Pn3/2r1P3/6Q1/PP2NK2/3R4 w - - 0 31
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 428
Best move: Qg8#