Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. e3 e6 3. c4 Nf6 4. Qa4+ Nbd7 5. c5 c6 6. Nf3 g6 7. Nc3 Bg7 8. Bd3
O-O 9. Bd2 Re8 10. h4 e5 11. O-O-O e4 12. h5 Nxh5 13. g4 Nhf6 14. g5 Nh5 15.
Rxh5 gxh5 16. Be2 exf3 17. Bxf3 Qxg5 18. e4 Qg6 19. e5 f6 20. Rh1 Qf5 21. Bxh5
Re7 22. f4 Bh6 23. Rg1+ Kh8 24. Bg4 Qg6 25. Qd1 Nf8 26. Bxc8 Qf7 27. Bh3 fxe5
28. fxe5 Bxd2+ 29. Qxd2 Qf3 30. Bg4 Qf7 31. Ne2 Ne6 32. Bxe6 Rxe6 33. Nf4 b6
34. Nxe6 Qxe6 35. Qh2 Rg8 36. Rxg8+ Qxg8 37. cxb6 axb6 38. e6 Qxe6 39. Qb8+ Kg7
40. Qxb6 Qe1+ 41. Kc2 Qe2+ 42. Kb3 Qd3+ 43. Ka4 Qc4+ 44. b4 *
Position (FEN): 8/6kp/1Qp5/3p4/KPqP4/8/P7/8 b - - 0 44
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1342
Best move: Qxa2#