Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 Nf6 5. Bg5 c6 6. e3 Bf5 7. h3 h6 8. Bf4
Bd6 9. Bxd6 Qxd6 10. Bd3 Bxd3 11. Qxd3 O-O 12. Nf3 Nbd7 13. Nd2 Rfe8 14. O-O-O
Re7 15. g4 Rae8 16. Rhe1 Ne4 17. f3 Nf2 18. Qf1 Nxd1 19. Kxd1 Rxe3 20. Rxe3
Rxe3 21. Kc2 Qg6+ 22. Kb3 c5 23. Ka4 Qa6+ 24. Kb3 c4+ 25. Kc2 b5 26. Nxd5 Qa4+
27. Kb1 Re8 28. Qc1 Rc8 29. Qc3 Qa6 30. Ne7+ Kf8 31. Nxc8 Qxc8 32. Ne4 Nf6 33.
Nxf6 gxf6 34. d5 Qd7 35. Qxf6 Qxd5 36. Qh8+ Ke7 37. Qxh6 Qd1+ 38. Qc1 Qxf3 39.
Qe1+ Kf8 40. Qe5 *
Position (FEN): 5k2/p4p2/8/1p2Q3/2p3P1/5q1P/PP6/1K6 b - - 3 40
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1175
Best move: Qd1#