Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Bf5 3. g3 e6 4. Bg2 Nf6 5. Nf3 Be7 6. O-O O-O 7. cxd5 exd5 8.
Nc3 h6 9. e3 c6 10. a3 Nbd7 11. Re1 Bd6 12. h3 Qc8 13. Kh2 Ne4 14. Nxe4 Bxe4
15. b4 Nf6 16. Nd2 Bxg2 17. Kxg2 Ne4 18. Nxe4 dxe4 19. Qc2 f5 20. Qc4+ Kh8 21.
Bb2 Qd8 22. d5 Rc8 23. dxc6 Rxc6 24. Qd4 Rg8 25. Qxa7 Rc2 26. Bd4 Qg5 27. Kf1
Bxg3 28. Re2 Rgc8 29. Rxc2 Rxc2 30. Ke1 Rxf2 31. Qxb7 Ra2+ 32. Kd1 Rxa1+ 33.
Bxa1 Bf2 34. Qb8+ Kh7 35. Qf4 Qg1+ 36. Kc2 Bg3 37. Qxf5+ Kh8 38. Bd4 Be1 39.
Qxe4 Qf2+ 40. Kb3 Qf7+ 41. Ka4 Qd7+ 42. b5 Qc7 43. Qa8+ Kh7 44. Qe4+ Kh8 45. b6
*
Position (FEN): 7k/2q3p1/1P5p/8/K2BQ3/P3P2P/8/4b3 b - - 0 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 598
Best move: Qc4#