Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 g6 7. h3 Bg7 8. Bc4
O-O 9. O-O Bd7 10. Re1 Rc8 11. Bb3 Na5 12. Bf4 Nc4 13. Bxc4 Rxc4 14. Qd3 Rc8
15. e5 Nh5 16. Bh2 Bh6 17. Qe4 dxe5 18. dxe5 Bc6 19. Qe2 Nf4 20. Bxf4 Bxf4 21.
Rad1 Qb6 22. b3 Rfd8 23. Rxd8+ Rxd8 24. g3 Bxf3 25. Qxf3 Bd2 26. Rd1 Bxc3 27.
Rxd8+ Qxd8 28. Qxc3 Qd1+ 29. Kg2 Qd5+ 30. Kg1 h5 31. h4 Qe4 32. Qc8+ Kg7 33.
Qc7 e6 34. Qa5 a6 35. Kf1 Qd3+ 36. Kg2 Qe4+ 37. Kf1 Qc2 38. Qd8 Qc1+ 39. Kg2
Qc6+ 40. Kh2 Qf3 41. Qd4 b5 42. Kg1 Qc6 43. Qb2 Qd5 44. Kf1 b4 45. Qe2 *
Position (FEN): 8/5pk1/p3p1p1/3qP2p/1p5P/1P4P1/P3QP2/5K2 b - - 1 45
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1010
Best move: Qh1#