Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Qe2 Be7 3. d3 d5 4. g3 Nf6 5. Bg2 c5 6. Nf3 Nc6 7. c3 O-O 8. O-O b6
9. Bg5 Ba6 10. Re1 Re8 11. Bxf6 Bxf6 12. e5 Be7 13. Na3 Rb8 14. Qe3 d4 15. cxd4
Nxd4 16. Nxd4 cxd4 17. Qd2 Bxa3 18. bxa3 Bb7 19. Rac1 Bxg2 20. Kxg2 Qd5+ 21.
Re4 Rec8 22. Rc2 Rc5 23. Rxc5 bxc5 24. Qa5 Rb7 25. Qa6 h6 26. a4 g6 27. h4 Kg7
28. a5 Rb2 29. Qxa7 c4 30. Qxd4 Rxa2 31. dxc4 Qxa5 32. Qd7 Rd2 33. Qb7 Qc5 34.
Rf4 Qf8 35. c5 g5 36. Rf3 Qe8 37. c6 Rc2 38. c7 Kg6 39. Rf6+ Kg7 40. hxg5 hxg5
41. Qe4 Rxc7 42. Qg4 Qc6+ 43. Kh3 *
Position (FEN): 8/2r2pk1/2q1pR2/4P1p1/6Q1/6PK/5P2/8 b - - 3 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 821
Best move: Qh1#