Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. e5 Bb4+ 6. Nc3 Ne7 7. Nf3 a6 8. Qa4+
Nbc6 9. a3 b5 10. Qb3 Ba5 11. Bd2 O-O 12. Bd3 Nf5 13. Qc2 Nfxd4 14. Bxh7+ Kh8
15. Nxd4 Nxd4 16. Qd3 Nb3 17. Qh3 Re8 18. Bg6+ Kg8 19. Qh7+ Kf8 20. Qh8+ Ke7
21. Qxg7 Kd7 22. Bxf7 Re7 23. Bg5 Nxa1 24. Bxe7 Qxe7 25. O-O Bxc3 26. bxc3 Bb7
27. Rxa1 Rf8 28. Bxe6+ Kxe6 29. Qg4+ Kf7 30. f4 Ke8 31. f5 Qxe5 32. Qg6+ Kd7
33. Qh7+ Kc8 34. Qh6 Qxf5 35. h3 Qf6 36. Qe3 Qc6 37. Re1 d4 38. Qe2 Rg8 39. Rc1
Rxg2+ 40. Qxg2 *
Position (FEN): 2k5/1b6/p1q5/1p6/3p4/P1P4P/6Q1/2R3K1 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 489
Best move: Qxg2#