Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nf6 3. d3 Bb4 4. Bd2 O-O 5. Nf3 Re8 6. e4 a5 7. a3 Bc5 8. Be2
Nc6 9. O-O h6 10. Nd5 d6 11. b4 Bd4 12. Rb1 axb4 13. axb4 Ba7 14. Ra1 Bg4 15.
b5 Bxf3 16. Bxf3 Nd4 17. Nxf6+ Qxf6 18. Bg4 Bc5 19. Kh1 Rxa1 20. Qxa1 Nb3 21.
Qd1 Nxd2 22. Qxd2 Ra8 23. g3 Qg5 24. Qe2 Ra3 25. f4 exf4 26. gxf4 Qh4 27. e5
Qe7 28. e6 fxe6 29. Bxe6+ Kh8 30. f5 Qf6 31. Qh5 Kh7 32. Qe8 h5 33. Qxh5+ Qh6
34. Qf7 Qf6 35. Qg8+ Kh6 36. Qh8+ Kg5 37. Rf3 Qa1+ 38. Kg2 Qg1+ 39. Kh3 *
Position (FEN): 7Q/1pp3p1/3pB3/1Pb2Pk1/2P5/r2P1R1K/7P/6q1 b - - 12 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1002
Best move: Qg4#