Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nf3 f5 4. Nc3 c6 5. cxd5 exd5 6. Bg5 Nf6 7. e3 Bd6 8. Bd3
O-O 9. Bh4 Qe8 10. Bg3 Ne4 11. Nxe4 fxe4 12. Bxd6 Rf6 13. Be5 Rh6 14. Bf4 Rf6
15. Be5 Rf5 16. Bc2 exf3 17. Bxf5 fxg2 18. Rg1 Bxf5 19. Rxg2 Bg6 20. h4 Nd7 21.
Bxg7 Qe7 22. h5 Qb4+ 23. Qd2 Qxd2+ 24. Kxd2 Bxh5 25. Be5+ Bg6 26. f4 Kf7 27.
Rag1 Re8 28. Rg5 Ke6 29. Rh1 c5 30. Rc1 c4 31. b3 b5 32. bxc4 bxc4 33. Rc3 Rc8
34. Ra3 Rc6 35. Rxa7 c3+ 36. Kc1 Nb6 37. Ra6 Bd3 38. f5+ Bxf5 39. Ra3 c2 40.
Rb3 Nc4 41. Rg3 Be4 42. Bf4 Ra6 43. a3 Nxa3 44. Rb2 Nc4 45. Rxc2 *
Position (FEN): 8/7p/r3k3/3p4/2nPbB2/4P1R1/2R5/2K5 b - - 0 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 663
Best move: Ra1#