Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. e5 Bg7 3. d4 e6 4. Nf3 b6 5. a3 Bb7 6. c3 d6 7. exd6 Qxd6 8. Be2
Nd7 9. O-O h5 10. Bg5 f6 11. Be3 h4 12. h3 g5 13. Nh2 Ne7 14. Ng4 Nf5 15. Nd2
O-O-O 16. Nc4 Qe7 17. b4 Nxe3 18. Ngxe3 e5 19. d5 e4 20. Bg4 Kb8 21. Nf5 Qf7
22. Nce3 Ne5 23. c4 Nd3 24. b5 Bc8 25. a4 Bxf5 26. Bxf5 Qe7 27. a5 Qc5 28. axb6
cxb6 29. Qa4 Qc7 30. Qa3 Rhe8 31. f3 Bf8 32. Qb3 Nc5 33. Qc2 exf3 34. Rxf3 Bh6
35. Ng4 Bg7 36. Bg6 Rf8 37. Bf5 Nd7 38. Rfa3 Qc5+ 39. Kh1 Kc7 40. Rxa7+ Kd6 41.
Bxd7 Rxd7 42. Rxd7+ Kxd7 43. Ra7+ Kd6 44. Rxg7 Re8 45. Qf5 Re1+ 46. Kh2 *
Position (FEN): 8/6R1/1p1k1p2/1PqP1Qp1/2P3Np/7P/6PK/4r3 b - - 4 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 700
Best move: Qg1#