It is not rare to see passed pawns in a chess game but nine of them is not too frequent. You can find such position after the 55th black’s move in the game between V. Smyslov and M. Botvinnik in 1941.
[Event "URS Absolute-ch"]
[Site "Leningrad/Moscow"]
[Date "1941.04.17"]
[Round "15"]
[White "Smyslov, Vassily"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "120"]
[EventDate "1941.03.23"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. O-O O-O 8. Re1
b5 9. Bc2 d5 10. Nbd2 dxe4 11. dxe4 Be6 12. h3 h6 13. Nh2 Nh7 14. Ng4 Bg5 15.
Qe2 Qd6 16. Ne3 Rfd8 17. Nf3 Bxe3 18. Qxe3 Qe7 19. Nh2 Nf8 20. Qf3 Rd7 21. Nf1
Nh7 22. Ng3 Rad8 23. Nf5 Qf6 24. g4 Ne7 25. Qg3 Bc4 26. f3 Bd3 27. Bb3 c5 28.
Be3 c4 29. Bd1 Ng5 30. h4 Ne6 31. a4 b4 32. cxb4 Nf4 33. Kh1 g5 34. b5 a5 35.
Bc5 Nxf5 36. gxf5 Kh7 37. Qg4 gxh4 38. Rg1 h5 39. Qg5 Qxg5 40. Rxg5 f6 41. Rg1
Nh3 42. Re1 Rg8 43. Ra2 Bb1 44. Ra1 Bd3 45. Ra2 Nf4 46. b4 Rc8 47. b6 Rb7 48.
Be3 axb4 49. a5 b3 50. Ra3 b2 51. Ba4 c3 52. Rb3 Ne2 53. Bb5 Bxb5 54. Rxb5 Nd4
55. Bxd4 exd4 56. a6 Rxb6 57. Rxb6 d3 58. Rg1 d2 59. Rxf6 Rc7 60. Rfg6 d1=Q 0-1
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