Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. Nf3 Nf6 3. e5 Nfd7 4. d4 g6 5. Bd3 Bg7 6. O-O e6 7. Bf4 O-O 8. Nbd2
f6 9. Re1 fxe5 10. Bxe5 Nxe5 11. Nxe5 Nc6 12. Nxc6 bxc6 13. Nb3 Qf6 14. Qe2 a5
15. c3 a4 16. Nc5 a3 17. b4 Qe7 18. Nxe6 Bxe6 19. Qxe6+ Qxe6 20. Rxe6 Rad8 21.
Rxc6 Rf7 22. Ra6 Rdf8 23. f3 Re7 24. Rxa3 Re3 25. Bf1 Rxc3 26. Rxc3 Bxd4+ 27.
Kh1 Bxc3 28. Rc1 d4 29. b5 Rd8 30. a4 Ra8 31. Bc4+ Kg7 32. Bb3 Kf6 33. Kg1 Re8
34. Kf2 Re3 35. Rc2 Be1+ 36. Kf1 Bc3 37. Kf2 Ke5 38. Bc4 Kd6 39. Ra2 Kc5 40.
Bf1 Be1+ 41. Kg1 d3 42. Ra1 d2 43. a5 Rc3 44. a6 Rc1 45. Ra2 d1=Q 46. a7 Bf2+
47. Kxf2 Qxf1+ 48. Kg3 Qe1+ 49. Kh3 g5 50. a8=Q *
Position (FEN): Q7/2p4p/8/1Pk3p1/8/5P1K/R5PP/2r1q3 b - - 0 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1125
Best move: Qh4#