Chess puzzle (Checkmate)
Moves: 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 O-O 8.
O-O Qb6 9. Nb3 d6 10. e4 Ne5 11. Be3 Qc7 12. Nb5 Qd7 13. Nxa7 Nxc4 14. Nxc8
Nxe3 15. Nxe7+ Qxe7 16. fxe3 Nxe4 17. Qd5 Rfe8 18. Bxe4 Qxe4 19. Qxf7+ Kh8 20.
Rae1 Bxb2 21. Rf4 Qd3 22. Nd4 Rxe3 23. Qf6+ Kg8 24. Rxe3 Qxe3+ 25. Kg2 Bxd4 26.
Rxd4 Rxa2+ 27. Kh3 Rf2 28. Qxd6 Kg7 29. Qc7+ Rf7 30. Qd6 Qe2 31. Qd5 Qf1+ 32.
Kh4 h6 33. Qe5+ Kh7 34. Rd8 g5+ 35. Kg4 Qf3+ 36. Kh3 Qf1+ 37. Kg4 h5+ 38. Kxg5
Rg7+ 39. Kh4 Rg4+ 40. Kxh5 *
Position (FEN): 3R4/1p5k/8/4Q2K/6r1/6P1/7P/5q2 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1172
Best move: Qh3#