Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nf3 Bg7 5. h3 O-O 6. Nbd2 Nc6 7. c4 Qe8 8. Rc1
e5 9. dxe5 dxe5 10. Bh2 e4 11. Nd4 Nxd4 12. exd4 Nd7 13. Nb3 c6 14. Be2 Nb6 15.
Bd6 Be6 16. Bxf8 Qxf8 17. O-O Bxc4 18. Bxc4 Nxc4 19. Rxc4 Rd8 20. Qe2 f5 21. f3
exf3 22. Rxf3 Qd6 23. Re3 b5 24. Re8+ Kf7 25. Rxd8 Qxd8 26. Rxc6 Bxd4+ 27. Nxd4
Qxd4+ 28. Kh1 Qf4 29. Qe6+ Kg7 30. Qf6+ Kh6 31. h4 Qf1+ 32. Kh2 Qf4+ 33. Kh3
Qg4+ 34. Kh2 Qf4+ 35. Kg1 Qe3+ 36. Kf1 Qf4+ 37. Ke2 Qe4+ 38. Kd2 Qxg2+ 39. Kc3
Qf3+ 40. Kb4 Qe4+ 41. Ka5 *
Position (FEN): 8/p6p/2R2Qpk/Kp3p2/4q2P/8/PP6/8 b - - 5 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 975
Best move: Qa4#