Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 a6 7. Bc4 Bb4 8.
O-O Bxc3 9. bxc3 b5 10. Bb3 Na5 11. Nxe5 Nxb3 12. cxb3 O-O 13. Bg5 Qb6 14. Bxf6
Qxf6 15. Nxd7 Bxd7 16. Qxd7 Qxc3 17. Rfc1 Qe5 18. f3 Rfd8 19. Qb7 Rdb8 20. Qd7
h5 21. Rd1 Rd8 22. Qb7 Rdb8 23. Qd7 Qc5+ 24. Kh1 Rd8 25. Qxd8+ Rxd8 26. Rxd8+
Kh7 27. Rd7 h4 28. Rxf7 Qd4 29. Rc1 h3 30. gxh3 a5 31. Rcc7 Qa1+ 32. Kg2 Qxa2+
33. Kg3 Qxb3 34. Rxg7+ Kh6 35. Rh7+ Kg6 36. Kg4 Qe6+ 37. Kg3 Qe5+ 38. Kf2 Qxh2+
39. Ke3 Qg1+ 40. Kf4 *
Position (FEN): 8/2R4R/6k1/pp6/4PK2/5P1P/8/6q1 b - - 3 40
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1056
Best move: Qg5#