Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. c3 c5 4. dxc5 a5 5. Be3 Na6 6. Bxa6 Rxa6 7. Nf3 Nf6 8.
Nbd2 O-O 9. O-O d6 10. cxd6 exd6 11. h3 d5 12. e5 Ne4 13. Bd4 Re8 14. Re1 Bf5
15. Nf1 b5 16. Ne3 Qd7 17. Qe2 h5 18. Nxf5 Qxf5 19. Qxb5 Rae6 20. Qxd5 Ng5 21.
Nxg5 Qxg5 22. Re3 Bxe5 23. Bxe5 Rxe5 24. Rxe5 Rxe5 25. Qd3 Rd5 26. Qe3 Qxe3 27.
fxe3 Rd2 28. b4 a4 29. a3 Rc2 30. c4 Rxc4 31. Kf2 Rc2+ 32. Kf3 Rb2 33. Ke4 Rb3
34. Kd4 Kg7 35. g4 hxg4 36. hxg4 Kf6 37. Rf1+ Ke6 38. Ra1 Kf6 39. Ra2 Kg5 40.
e4 Kxg4 41. Kc4 f5 42. exf5 gxf5 43. b5 f4 44. Rg2+ Kf3 45. Rd2 Rxa3 46. b6 Rb3
47. Rd3+ Rxd3 48. Kxd3 a3 49. b7 a2 50. b8=Q a1=Q 51. Qb7+ Kf2 52. Qb6+ Ke1 *
Position (FEN): 8/8/1Q6/8/5p2/3K4/8/q3k3 w - - 4 53
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1259
Best move: Qg1#