Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. Nf3 c5 5. e3 Nc6 6. Ne5 cxd4 7. exd4 Bf5 8. f3
h6 9. g4 Bh7 10. Bd3 Bxd3 11. Qxd3 e6 12. a3 Bd6 13. O-O-O O-O 14. h4 Nxe5 15.
dxe5 Bc5 16. exf6 Qxf6 17. Bg3 b5 18. f4 h5 19. g5 Qe7 20. f5 d4 21. f6 Qb7 22.
fxg7 Kxg7 23. Be5+ Kg8 24. Bxd4 Rfd8 25. Qe3 Bf8 26. g6 fxg6 27. Qg5 Kh7 28.
Kb1 a5 29. Nxb5 Rab8 30. a4 Rxd4 31. Qf6 Rxd1+ 32. Rxd1 Bg7 33. Qxe6 Qf3 34.
Rd7 Qf4 35. Rf7 Qxa4 36. Qe7 Rg8 37. Nc3 Kh6 38. Nxa4 Rb8 39. b3 Rg8 40. Qg5+
Kh7 41. Ra7 Re8 42. Rxa5 Re1+ 43. Ka2 *
Position (FEN): 8/6bk/6p1/R5Qp/N6P/1P6/K1P5/4r3 b - - 2 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 801
Best move: Ra1#