Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 a6 5. b3 e6 6. Bb2 Nf6 7. O-O-O Nc6 8.
Qd2 Qc7 9. Kb1 Be7 10. f3 b5 11. Nge2 Qb7 12. Nd4 Bd7 13. g4 Nxd4 14. Qxd4 h6
15. h4 Bc6 16. Be2 e5 17. Qe3 O-O-O 18. Rd2 b4 19. Na4 Bxa4 20. bxa4 a5 21. Ka1
Nd7 22. Bc4 f6 23. Bd5 Qb6 24. Qb3 Nc5 25. Qc4 Kb8 26. Qb5 Qxb5 27. axb5 Kc7
28. c4 Kb6 29. Re2 Rdf8 30. a3 h5 31. Ka2 b3+ 32. Kb1 hxg4 33. fxg4 a4 34. Bc1
Bd8 35. Be3 Rh7 36. h5 g6 37. Reh2 Rfh8 38. Bxc5+ Kxc5 39. hxg6 Rxh2 40. Rxh2
Rxh2 41. g7 Kd4 42. g8=Q Kc3 43. Qxd8 *
Position (FEN): 3Q4/8/3p1p2/1P1Bp3/p1P1P1P1/Ppk5/7r/1K6 b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 784
Best move: Rh1#