Chess puzzle (Checkmate)
Moves: 1. d4 b6 2. c4 Bb7 3. Nc3 g6 4. e4 Bg7 5. Be3 e6 6. Bd3 Qe7 7. Nge2 Nc6 8. Rc1
O-O-O 9. O-O d6 10. a3 f5 11. d5 Ne5 12. dxe6 Nxd3 13. Qxd3 Qxe6 14. Nf4 Qf7
15. Nfd5 fxe4 16. Qxe4 Nf6 17. Ne7+ Kb8 18. Nc6+ Ka8 19. Qf3 Qd7 20. Nd5 Qxc6
21. Rfd1 Rdf8 22. Qh3 Rf7 23. b4 Qe8 24. Bg5 h6 25. Bf4 Nh5 26. Be3 Kb8 27. c5
Nf6 28. Nf4 g5 29. Ne6 g4 30. Nxg7 Rxg7 31. Qh4 Qe4 32. c6 Bxc6 33. Rxc6 Qxc6
34. Qxf6 Rgg8 35. Bxh6 Qe8 36. Be3 Qh5 37. Bf4 Rf8 38. Qd4 Rf5 39. Bxd6 Rc8 40.
Bg3 Rff8 41. a4 Qg5 42. a5 Rfd8 43. Qa1 Rxd1+ 44. Qxd1 Rd8 45. Qc2 Qd2 46.
Qxc7+ Ka8 47. h3 gxh3 *
Position (FEN): k2r4/p1Q5/1p6/P7/1P6/6Bp/3q1PP1/6K1 w - - 0 48
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1218
Best move: Qc6#