Chess puzzle (Checkmate)
Moves: 1. c4 d5 2. cxd5 Nf6 3. g3 Nxd5 4. Bg2 Nc6 5. e4 Ndb4 6. Nc3 Nd3+ 7. Kf1 Qd4 8.
Qe2 Nce5 9. Nf3 Nxc1 10. Rxc1 Nxf3 11. Bxf3 Bh3+ 12. Bg2 Bxg2+ 13. Kxg2 O-O-O
14. Nb5 Qxd2 15. Rxc7+ Kb8 16. Qxd2 Rxd2 17. Rhc1 Rd8 18. a4 e6 19. Rxf7 Bd6
20. Nxd6 Rxd6 21. Rcc7 Rb6 22. Rxg7 Rxb2 23. Rce7 Rf8 24. Rgf7 Rxf7 25. Rxf7 h5
26. Re7 Rb6 27. Rh7 Rb4 28. e5 Rxa4 29. Rxh5 b5 30. f4 b4 31. f5 exf5 32. e6 b3
33. e7 Re4 34. Rh8+ Kc7 35. e8=Q Rxe8 36. Rxe8 a5 37. Re3 a4 38. h4 b2 39. Re1
a3 40. h5 a2 41. h6 a1=Q 42. h7 b1=Q 43. Rxb1 Qa2+ 44. Kh3 Qxb1 45. h8=Q *
Position (FEN): 7Q/2k5/8/5p2/8/6PK/8/1q6 b - - 0 45
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 656
Best move: Qh1#