Go Commentary: Lee Sedol vs Jiang Weijie – 1st Bailing Cup

This game was played in the 2nd round of the 1st Bailing Cup, between Lee Sedol 9p and Jiang Weijie 9p.

This is their first game together. Lee Sedol is currently ranked number two in Korea, and Jiang Weijie is ranked number four in China.

Lee Sedol

Lee was ranked number one in Korea for 27 months in a row, and was regarded as the best player in the world for a few years.

Lee Sedol 9 dan.

Jiang Weijie

On the other hand, Jiang won the 16th LG Cup in early 2012 defeating Lee Changho, and he’s become one of the top players in the world.

Jiang Weijie 9 dan.

Commented game record

Lee Sedol vs Jiang Weijie


Download SGF File (Go Game Record)


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About Younggil An

Younggil is an 8 dan professional Go player with the Korean Baduk Association. He qualified as a professional in 1997 and won an award for winning 18 consecutive professional matches the following year. After completing compulsory military service, Younggil left Korea in 2008, to teach and promote the game Go overseas. Younggil now lives in Sydney, Australia, and is one of the founders of Go Game Guru. On Friday evenings, Younggil is usually at the Sydney Go Club, where he gives weekly lessons and plays simultaneous games.

You can follow Go Game Guru on Facebook, Twitter, Google+ and Youtube.


  1. Wouahhhh , what a game. Thank you very much. what is the style of jiang weijie 9p ?

    • An Younggil 8p says:

      Jiang likes territorial game. His style of play is unpredictable and different from others, but I can’t describe how different. He’s good at fighting, but not like Lee Sedol or Gu Li.
      Sorry, it’s pretty hard to describe.

  2. “Move 117. This move is sente because black is Lee Sedol.” xD

  3. Fantastic fighting game, it does justice to both players. I like your comments, showing what real players are capable of thinking about, and why amateurs can just look at such a game in bewilderment.

    Kind regards,

  4. Hi.

    Thank you for commentary, what a fighting and entertaining game !

    And I loved the comment at move 117 :p

  5. Thank you! A fun game

  6. Thanks for the great comments! I missed your comments games.

  7. Great commentary, I hope to see more of these.

  8. So in thinking about why black lost, it seems that 19 was an overplay, yet black fought back and reversed the game. But then the atari at 159 was bad. Was this the losing move, as they say? And what should black have played instead?

    • An Younggil 8p says:

      Black should have played at P12 instead of 159. Then the game would have been still playable for both sides.

  9. Thanks for your commentary, and like jangalf said, I missed your comments on games, where have you been?

  10. Thank you!
    Fantastic game and great commentary!
    Imo comment of the year: “This is sente because black is Lee Sedol. “

  11. These comments are wonderful. Thank you so much for doing them.

  12. thanks for the commentary! great game to learn from.

  13. loved move 117 comment. you should do more game reviews, they’re always so good!

  14. Éverson B. S. says:

    Thanks for your comments! =D

  15. enrico tognoni says:

    thanks you

  16. Thanks for a great review and a great website.

  17. Can anyone please explain about the “This is sente because black is Lee Sedol. “ ? I mean, something be sente because it’s a big move that need to be responded, how come “because black is Lee Sedol”?

    • Younggil An says:

      Sorry about that ambiguous comment.
      White needed to respond, but it didn’t look necessary. So, it looked as if white reinforced because white was afraid of Lee Sedol’s hidden moves inside of white’s territory. 🙂