Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. Nc3 f5 3. e3 Bc5 4. Nf3 a6 5. d4 Ba7 6. Ne5 d6 7. Qh5+ g6 8. Nxg6
Nf6 9. Qh6 Rg8 10. Nf4 Qe7 11. Nh5 Nxh5 12. Qxh5+ Qf7 13. Qf3 c6 14. Bd3 Nd7
15. Bd2 Nf8 16. h3 Bd7 17. O-O-O O-O-O 18. g4 Ng6 19. gxf5 exf5 20. Rhg1 Rgf8
21. Qg3 Qf6 22. f4 b5 23. a3 bxc4 24. Bxc4 d5 25. Bxa6+ Kc7 26. Bd3 Rb8 27. Na4
Rb7 28. Ba5+ Kb8 29. Ba6 c5 30. Bxb7 Kxb7 31. Nxc5+ Bxc5 32. dxc5 Kc6 33. Bc3
Qe6 34. b4 Re8 35. Rge1 Kc7 36. Rd3 Bb5 37. Rd2 Qe4 38. Rd4 Qe6 39. Qf3 Bc4 40.
Kb2 Rd8 41. a4 Qa6 42. a5 Qb5 43. Ka3 Ne7 44. Qh5 Ra8 45. Qxh7 Rxa5+ 46. bxa5 *
Position (FEN): 8/2k1n2Q/8/PqPp1p2/2bR1P2/K1B1P2P/8/4R3 b - - 0 46
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 751
Best move: Qb3#