Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 c5 5. c3 Nc6 6. Bd3 Qb6 7. Qc2 Be7 8. Nbd2
O-O 9. O-O h6 10. Ne5 Nh5 11. Bg3 Nxg3 12. hxg3 Bd6 13. f4 f5 14. Ndf3 Qd8 15.
Rae1 c4 16. Be2 g5 17. fxg5 hxg5 18. Kf2 g4 19. Nxc6 bxc6 20. Nh4 Rf7 21. Rh1
Rh7 22. Ng6 Qf6 23. Nf4 Rxh1 24. Rxh1 Bb7 25. Bxg4 Bxf4 26. exf4 Kf8 27. Rh7
fxg4 28. Rxb7 a5 29. Qh7 c5 30. dxc5 d4 31. Qd7 d3 32. c6 Rd8 33. Qh7 d2 34. c7
d1=Q 35. cxd8=Q+ Qdxd8 36. Rd7 Qb6+ 37. Kf1 Qc6 38. Ra7 Qd5 39. Rd7 Qa8 40. Ra7
Qe8 41. Qb7 Qfd8 *
Position (FEN): 3qqk2/RQ6/4p3/p7/2p2Pp1/2P3P1/PP4P1/5K2 w - - 12 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 889
Best move: Qg7#