Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 d6 3. e3 e5 4. dxe5 Nc6 5. exd6 Bxd6 6. Be2 Be6 7. c3 Qe7 8.
Qa4 O-O-O 9. Bb5 Bd7 10. Bxc6 Bxc6 11. Qxa7 Bxf3 12. gxf3 Qf6 13. Qa8+ Kd7 14.
Qxb7 Ne7 15. Qe4 Rhe8 16. Qg4+ Nf5 17. Nd2 Re6 18. Ne4 Qe5 19. Nxd6 cxd6 20. e4
Ne7 21. Be3 Kc7 22. O-O-O Qa5 23. Kb1 Ra8 24. a3 Rb8 25. Ka2 Qb5 26. Rd2 Qb3+
27. Ka1 Re5 28. Bf4 Nc6 29. Bxe5 Nxe5 30. Qf4 Ra8 31. Rc1 f6 32. Qg3 Nc4 33.
Qxg7+ Kc6 34. Qf7 Rxa3+ 35. Kb1 Qa2+ 36. Kc2 Qxb2+ 37. Kd3 Qxd2+ 38. Kxc4 Ra4+
39. Kb3 *
Position (FEN): 8/5Q1p/2kp1p2/8/r3P3/1KP2P2/3q1P1P/2R5 b - - 2 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 906
Best move: Qa2#