Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4
Nc5 9. f5 e5 10. Nde2 Be7 11. Bg5 Nfxe4 12. Bxe7 Qxe7 13. Nxe4 Nxe4 14. O-O O-O
15. Qd3 Nf6 16. Rad1 Rd8 17. h3 d5 18. g4 h6 19. Qg3 Bd7 20. Nc1 Bc6 21. Nd3
Bb5 22. Rfe1 e4 23. Nf4 a5 24. a4 Bc4 25. Bxc4 dxc4 26. h4 Rxd1 27. Rxd1 e3 28.
g5 hxg5 29. hxg5 Ne4 30. Qxe3 Qxg5+ 31. Kf1 Qxf5 32. Rd5 Qf6 33. Qxe4 Qxb2 34.
Qxc4 Qc1+ 35. Kg2 Re8 36. Rd7 Rf8 37. Rd3 Qe1 38. Rg3 Qe5 39. Nd3 Qd6 40. Qg4
g6 41. Nf4 Qc6+ 42. Kh3 *
Position (FEN): 5rk1/1p3p2/2q3p1/p7/P4NQ1/6RK/2P5/8 b - - 3 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 849
Best move: Qh1#