Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 7. Nxc6 bxc6 8.
O-O e5 9. f4 Be7 10. fxe5 dxe5 11. Qe1 O-O 12. Be3 Ng4 13. Bf2 Nxf2 14. Qxf2
Rb8 15. Rab1 Qa5 16. Qd2 Be6 17. a3 Rfd8 18. Rfd1 Bc5+ 19. Kh1 Bd4 20. Rf1 Rb7
21. Qe2 Rdb8 22. Bxa6 Rb6 23. Bc4 Bxc3 24. Bxe6 fxe6 25. Qh5 Qa7 26. Qg4 Qe7
27. Rf3 Rxb2 28. Rbf1 Rb1 29. h3 Rxf1+ 30. Rxf1 Bd4 31. Qf3 h6 32. Qd3 Rf8 33.
Rb1 Qf6 34. Qc4 Kh7 35. Qxc6 Qg6 36. a4 Rf2 37. Rg1 Rf3 38. Rd1 Rg3 39. Rd2
Rxh3+ 40. gxh3 *
Position (FEN): 8/6pk/2Q1p1qp/4p3/P2bP3/7P/2PR4/7K b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 707
Best move: Qg1#