Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Bf4 Nf6 3. e3 Be7 4. h3 d5 5. Nf3 O-O 6. Nbd2 Re8 7. Bd3 c5 8. c3
Nc6 9. O-O Qb6 10. Rb1 Bd7 11. Qe2 Rac8 12. Ne5 h6 13. Ndf3 Nxe5 14. dxe5 Nh7
15. Nd2 a6 16. a4 Bxa4 17. e4 Bb5 18. exd5 exd5 19. Bxb5 axb5 20. Qg4 Bg5 21.
Nf3 Bxf4 22. Qxf4 Rcd8 23. Rbd1 Nf8 24. Rfe1 Ng6 25. Qg3 Re6 26. Nh4 Qc7 27. f4
Nxh4 28. Qxh4 f6 29. Qh5 fxe5 30. fxe5 d4 31. cxd4 Rxd4 32. Rxd4 cxd4 33. Qg4
Rxe5 34. Rd1 Rd5 35. Qe6+ Qf7 36. Qb6 d3 37. Qe3 Qd7 38. Rd2 b4 39. Kf1 b3 40.
Ke1 Qd6 41. Qe8+ Kh7 42. Qe4+ Qg6 43. Qxd5 Qg3+ 44. Kf1 Qf4+ 45. Rf2 *
Position (FEN): 8/1p4pk/7p/3Q4/5q2/1p1p3P/1P3RP1/5K2 b - - 4 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 798
Best move: Qc1#