Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Be2 d5 6. O-O Nf6 7. Bb5+ c6 8.
Re1 Be6 9. Ba4 Nbd7 10. Ng5 h6 11. Nxe6 fxe6 12. d4 O-O-O 13. c3 Kb8 14. b4 Ka8
15. b5 cxb5 16. Bxb5 Nb6 17. a4 a6 18. a5 Nc4 19. Bxc4 dxc4 20. Nd2 Qc7 21. Nf3
Bd6 22. Ba3 Bxa3 23. Rxa3 Qd6 24. Qa4 g5 25. Ne5 Rc8 26. Ra2 Qd5 27. Rae2 Rhe8
28. Ng6 Nh5 29. Re5 Qd6 30. Qb4 Qd7 31. Rc5 Rxc5 32. Qxc5 Qf7 33. Ne5 Qf5 34.
Qb6 Nf4 35. Nc6 bxc6 36. Qxc6+ Ka7 37. Qxe8 Nxg2 38. Kxg2 Qg4+ 39. Kf1 Qh3+ 40.
Ke2 *
Position (FEN): 4Q3/k7/p3p2p/P5p1/2pP4/2P4q/4KP1P/4R3 b - - 4 40
Black to move.
Themes:  Endgame Dovetail Mate, Mate in 1 
Puzzle rating: 968
Best move: Qd3#