Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 d6 3. d3 Nc6 4. Be3 Nf6 5. Qe2 a6 6. O-O-O Nd4 7. Qe1 e5 8. h3
b5 9. g4 b4 10. Nce2 Bb7 11. f4 exf4 12. Nxf4 Be7 13. g5 Nd7 14. h4 Qa5 15. Kb1
O-O-O 16. Nfe2 Nb5 17. a3 Qa4 18. axb4 cxb4 19. Nf3 Kb8 20. Nfd4 Nxd4 21. Nxd4
Rc8 22. Bh3 Rc7 23. Bd2 a5 24. b3 Qa3 25. Bc1 Rhc8 26. Bxa3 bxa3 27. Ka2 f6 28.
Kxa3 fxg5 29. Qxa5 Rc5 30. Nb5 R8c6 31. Bxd7 Ra6 32. Qxa6 Bxa6 33. c4 d5 34.
exd5 Rxb5+ 35. d6 Bxd6+ 36. Ka4 Rb4+ 37. Ka5 Bb7 38. hxg5 Bxh1 39. Rxh1 Rxb3
40. Rxh7 Rxd3 41. Rxg7 Be5 42. Rg8+ Kc7 43. Bb5 Rg3 44. g6 Bd6 45. Ka4 *
Position (FEN): 6R1/2k5/3b2P1/1B6/K1P5/6r1/8/8 b - - 2 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 727
Best move: Ra3#