Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 e5 7. d3 Be7 8.
h4 Bd8 9. Bd2 Ba5 10. Nd5 Bxd2+ 11. Qxd2 Nge7 12. Ne3 O-O 13. g4 Nd4 14. Nxd4
cxd4 15. Nf5 Ng6 16. f3 Nf4 17. Nxd4 exd4 18. Qxf4 b5 19. O-O Rab8 20. b3 Qe7
21. Qg3 a5 22. Rf2 a4 23. bxa4 bxc4 24. dxc4 Rb4 25. Rc1 Rxa4 26. Rd2 Rfa8 27.
Qf2 h6 28. Kg2 Ra3 29. Rcc2 Qf6 30. Rb2 Rc3 31. Rbc2 Raa3 32. Rxc3 Rxc3 33.
Rxd4 Rxf3 34. Qxf3 Qxd4 35. Qe2 Qa1 36. h5 Kf8 37. Qd2 Ke7 38. Qe2 Ke6 39. c5
dxc5 40. Qc4+ Kf6 41. Qxc5 Qxa2+ 42. Kh3 Qb3+ 43. Kh4 Qb2 *
Position (FEN): 8/5pp1/5k1p/2Q4P/4P1PK/8/1q6/8 w - - 4 44
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1767
Best move: Qd6#