Chess puzzle (Checkmate)
Moves: 1. e3 g6 2. d4 Bg7 3. c4 Nf6 4. Nc3 d5 5. Bd2 O-O 6. c5 b6 7. b4 a5 8. a3 axb4
9. axb4 Rxa1 10. Qxa1 Nc6 11. Qb2 e5 12. Bb5 exd4 13. Bxc6 dxc3 14. Bxc3 bxc5
15. bxc5 Nh5 16. Nf3 Bg4 17. Nd4 Be6 18. O-O Nf6 19. Nxe6 fxe6 20. Rd1 Qe7 21.
Bd4 Ne4 22. f3 Ng5 23. h4 Bxd4 24. Qxd4 Nf7 25. g3 Nd8 26. Bb5 c6 27. Be2 e5
28. Qc3 Nf7 29. Kg2 Nh6 30. Rb1 Nf5 31. Rb6 d4 32. exd4 exd4 33. Qc4+ Kh8 34.
Kh2 Qe5 35. f4 Qe3 36. Qd3 Qf2+ 37. Kh3 Re8 38. Qf3 Qg1 39. Qxc6 *
Position (FEN): 4r2k/7p/1RQ3p1/2P2n2/3p1P1P/6PK/4B3/6q1 b - - 0 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1127
Best move: Qxg3#