Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Qc2 c5 5. cxd5 cxd4 6. dxe6 Bxe6 7. g3 Nc6 8.
Bg2 Rc8 9. Qa4 Bb4+ 10. Bd2 Bxd2+ 11. Nbxd2 O-O 12. O-O Qb6 13. a3 h5 14. b4
Rfd8 15. Rac1 Ne7 16. Ng5 Bd5 17. Ndf3 Nf5 18. Rfd1 Rxc1 19. Rxc1 Ne4 20. Nxe4
Bxe4 21. Ne5 Bxg2 22. Kxg2 Qe6 23. Nf3 Qxe2 24. Re1 Qc4 25. Qxa7 d3 26. Qxb7 d2
27. Rd1 Qe2 28. Rxd2 Ne3+ 29. Kh3 Rxd2 30. Nxd2 *
Position (FEN): 6k1/1Q3pp1/8/7p/1P6/P3n1PK/3NqP1P/8 b - - 0 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 908
Best move: Qg4#