Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. Bf4 c5 4. e3 Nf6 5. c3 Bd6 6. Bg3 Qe7 7. Nbd2 Nc6 8. Ne5
Nd7 9. Nxd7 Bxd7 10. Bd3 e5 11. dxc5 Bxc5 12. e4 d4 13. O-O dxc3 14. bxc3 O-O
15. Qe2 Rad8 16. Rfd1 Bg4 17. Nf3 Bb6 18. h3 Bh5 19. Bc4 Qc5 20. Kh2 h6 21.
Rac1 Rxd1 22. Rxd1 Bxf3 23. gxf3 Ne7 24. Rd7 Ng6 25. Bd5 Qxc3 26. Rxb7 Nf4 27.
Bxf4 exf4 28. Kg2 Qf6 29. e5 Qf5 30. Qe4 Qg5+ 31. Kf1 Qh4 32. Qe2 Qxh3+ 33. Ke1
Ba5+ 34. Kd1 Qh1+ 35. Kc2 Rc8+ 36. Bc4 Qa1 37. e6 Qc3+ 38. Kb1 Rxc4 39. exf7+
Kh7 40. f8=Q *
Position (FEN): 5Q2/pR4pk/7p/b7/2r2p2/2q2P2/P3QP2/1K6 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 880
Best move: Qc1#