Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. c3 g6 3. d4 cxd4 4. cxd4 Bg7 5. Nc3 d5 6. Bf4 Nc6 7. e3 Bf5 8. Qb3
Qb6 9. Qxb6 axb6 10. Bc7 Nb4 11. Bb5+ Kf8 12. Ke2 Ra5 13. a3 Na6 14. Bxb6 Rxb5
15. Nxb5 Nf6 16. Rhc1 Bh6 17. Nc7 Nb8 18. Ne5 Kg7 19. f3 Bc8 20. Rc5 Nfd7 21.
Rb5 Nxe5 22. dxe5 e6 23. Rc1 Nc6 24. f4 f6 25. exf6+ Kxf6 26. g4 g5 27. h4 Ke7
28. hxg5 Bg7 29. f5 exf5 30. Nxd5+ Kd6 31. Rd1 fxg4 32. Nf6+ Ke6 33. e4 Bxf6
34. gxf6 Kxf6 35. Re1 h5 36. Rf1+ Ke6 37. Rff5 h4 38. Be3 h3 39. Bg5 h2 40.
Rf6+ Kd7 41. Rd5+ Kc7 42. Bf4+ Kb6 43. Be3+ Kc7 44. Bf4+ Kb6 45. Be3+ Ka6 46.
b4 h1=Q *
Position (FEN): 2b4r/1p6/k1n2R2/3R4/1P2P1p1/P3B3/4K3/7q w - - 0 47
White to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1527
Best move: Ra5#