Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 g6 3. c3 d5 4. d3 dxe4 5. Qa4+ Nc6 6. Qxe4 Bg7 7. Bg5 Nf6 8.
Bxf6 Bxf6 9. Be2 Bf5 10. Qe3 O-O 11. O-O Qb6 12. b3 Rfd8 13. Rc1 Nb4 14. cxb4
Bxa1 15. bxc5 Qa5 16. Nbd2 Qxa2 17. Nc4 Bf6 18. b4 Rd7 19. h3 Rad8 20. Rd1 Qb3
21. Na5 Qxb4 22. Nc4 Qb3 23. g3 Bxd3 24. Bxd3 Rxd3 25. Rxd3 Rxd3 26. Qe4 Qd1+
27. Kg2 a5 28. Ne3 Qb3 29. g4 h6 30. h4 a4 31. g5 hxg5 32. hxg5 Bg7 33. Qxe7 a3
34. Qe8+ Bf8 35. Ng4 a2 36. Nf6+ Kg7 37. Nd7 a1=Q 38. Qxf8+ Kh7 39. Nf6+ Qxf6
40. gxf6 Rxf3 *
Position (FEN): 5Q2/1p3p1k/5Pp1/2P5/8/1q3r2/5PK1/8 w - - 0 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 874
Best move: Qg7#