Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 c5 3. d5 b5 4. Nf3 d6 5. e3 a6 6. c4 b4 7. Bd3 g6 8. Nbd2 Bg7
9. Rb1 O-O 10. e4 Nh5 11. Be3 f5 12. exf5 gxf5 13. Bg5 f4 14. O-O Nd7 15. Bh4
Ndf6 16. Ng5 Bg4 17. Qc2 h6 18. Ne6 Bxe6 19. dxe6 Ng4 20. Bg6 Nhf6 21. Bf7+ Kh8
22. Nf3 Ne5 23. Nxe5 dxe5 24. Rbd1 Qc7 25. Qg6 Ng8 26. Rd7 Qc6 27. Bxg8 Rxg8
28. Rxe7 Raf8 29. Rxg7 Rxg7 30. Bf6 Rxf6 31. Qxf6 *
Position (FEN): 7k/6r1/p1q1PQ1p/2p1p3/1pP2p2/8/PP3PPP/5RK1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 408
Best move: Qxg2#