Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bd3 Nc6 7. Ne2 Bg4 8.
Be3 e6 9. O-O Be7 10. Nbc3 O-O 11. a3 Bh5 12. Rc1 Nd5 13. Nxd5 Qxd5 14. Nf4
Bxd1 15. Nxd5 exd5 16. Rfxd1 a6 17. Rc2 f6 18. f4 fxe5 19. fxe5 h6 20. Be2 g5
21. g4 Kg7 22. Kg2 Rf7 23. Bd3 Bd8 24. Rf1 Ne7 25. Rxf7+ Kxf7 26. h4 gxh4 27.
Bxh6 c6 28. Rf2+ Ke6 29. Bf5+ Nxf5 30. gxf5+ Kf7 31. Kh3 Be7 32. f6 Bf8 33.
Bxf8 Kxf8 34. Kxh4 Kf7 35. Kg5 Ke6 36. Kg6 Rg8+ 37. Kh7 Rf8 38. Rg2 c5 39. Rg7
cxd4 40. Re7+ Kf5 41. Kg7 d3 42. Kxf8 d2 43. f7 d1=Q 44. Ke8 Qa4+ 45. Rd7 Ke6
46. f8=Q *
Position (FEN): 4KQ2/1p1R4/p3k3/3pP3/q7/P7/1P6/8 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 526
Best move: Qxd7#