Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Be6 6. d3 Qd7 7. Nd5 O-O-O 8. Bd2
Nge7 9. b4 Bxd5 10. cxd5 Nxb4 11. Qb3 Na6 12. Rb1 Bb6 13. Ne2 h5 14. h4 f5 15.
d4 Ng6 16. a4 exd4 17. exd4 Rde8 18. a5 Qe7 19. Bf3 f4 20. axb6 axb6 21. Kf1
Rhf8 22. g4 hxg4 23. Bxg4+ Kd8 24. Be6 Rf6 25. h5 f3 26. Ng3 Nf4 27. Bxf4 Rxf4
28. Qe3 Qg5 29. h6 gxh6 30. Rh5 Qf6 31. Ne4 Qf8 32. Ra1 b5 33. Qd3 b4 34. Qb5
Qg7 35. Ng3 Rxd4 36. Qxb7 Rg4 37. Qc8+ Ke7 38. Qd7+ Kf8 39. Bxg4 *
Position (FEN): 4rk2/2pQ2q1/n2p3p/3P3R/1p4B1/5pN1/5P2/R4K2 b - - 0 39
Black to move.
Themes: Hanging Piece Middlegame Mate in 1 
Puzzle rating: 873
Best move: Qxa1#