Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. h4 dxc4 6. e4 c5 7. d5 b5 8. e5 Nfd7
9. e6 Ne5 10. Nxe5 Bxe5 11. exf7+ Kxf7 12. Nxb5 Qa5+ 13. Nc3 Bxc3+ 14. bxc3
Qxc3+ 15. Bd2 Qe5+ 16. Be3 Qc3+ 17. Bd2 Qe5+ 18. Be2 c3 19. Be3 Bb7 20. h5 Nd7
21. Bf3 Nf6 22. O-O Bxd5 23. h6 Bxf3 24. Qxf3 Rhd8 25. Rac1 Kg8 26. Rfe1 Rac8
27. Qb7 Qc7 28. Qb3+ c4 29. Qxc3 Ng4 *
Position (FEN): 2rr2k1/p1q1p2p/6pP/8/2p3n1/2Q1B3/P4PP1/2R1R1K1 w - - 1 30
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 900
Best move: Qg7#