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词条 Lee Sedol
释义

  1. Biography

  2. Lee's Broken Ladder Game

  3. Match against AlphaGo

  4. Promotion record

  5. Career record

  6. Titles and runners-up

     Korean Baduk League  Chinese A League 

  7. Trivia

  8. References

  9. External links

     On YouTube 
{{Korean name|Lee}}{{Infobox go player
|name=Lee Sedol
|hangul={{linktext|이|세돌}}
|hanja={{linktext|李|世|乭}}
|revisedromanization=I Sedol
|mccunereischauer=Ri Sedol
|birth_date={{birth date and age|1983|3|2|df=yes}}[1]
|birth_place=Sinan County, South Jeolla Province, South Korea
|residence=South Korea
|teacher=Kweon Kab-yong[1]
|turnedpro=1995
|rank=9 dan[1]
|affiliation=Hanguk Kiwon[1]
|image=Lee Se-Dol.jpg
|caption=Lee Sedol in 2016
}}{{MedalTableTop}}{{MedalCountry|{{KOR}}}}{{MedalCompetition|Asian Games}}{{MedalGold|2010 Guangzhou|Men's Team}}{{MedalBottom}}Lee Sedol ({{lang-ko|이세돌}}; born 2 March 1983), or Lee Se-dol, is a South Korean professional Go player of 9 dan rank.[1] As of February 2016, he ranked second in international titles (18), behind only Lee Chang-ho (21). He is the fifth youngest (12 years 4 months) to become a professional Go player in South Korean history behind Cho Hun-hyun (9 years 7 months), Lee Chang-ho (11 years 1 months), Cho Hye-yeon (11 years 10 months) and Choi Cheol-han (12 years 2 months). His nickname is "The Strong Stone" ("Ssen-dol"). He was defeated by the computer program AlphaGo in a 1–4 series in March 2016.[2]

Biography

Lee was born in South Korea in 1983 and studied at the Korea Baduk Association. He ranks second in international titles (18), behind only Lee Chang-ho (21). Despite this, he describes his opening play as "very weak".[3] Lee is married and has one daughter.[4] In February 2013, Lee announced that he planned to retire within three years and move to the U.S. to promote Go.[5] He plays on Tygem as "gjopok".[6] He is known as 'Bigeumdo Boy' because he was born and grew up on Bigeumdo Island.[7]

Lee's Broken Ladder Game

This was a match between Lee Sedol and Hong Chang-sik during the 2003 KAT cup, played on 23 April 2003. This game is notable for Lee's use of a broken ladder formation.

Normally playing out a broken ladder is a bad mistake, a pitfall associated with bad beginner play; the chasing stones are left appallingly weak. Between experts it should be decisive, leading to a lost game. Lee, playing black, defied the conventional wisdom, pushing development of the ladder to capture a large group of Hong's stones in the lower-right side of the board. Although Black could not capture the stones in the ladder, White ultimately resigned.[8]

{{Goban
| | | | | | | | | | | | | | | | |w |b |w | | | | | | | | | | | | | | ||w |b |b | | | | | | | | |b | | | | || |w | |b | | | |x | | | | | |b | | ||w |w | | | | | | | | | | | | | | ||w |b |b | | | | | | | | | | | | | ||b |w |68|69| | | | | | | | | | | | || |67|70|72|75| | | | | | | | | | | || | |71|76|78|79| | | | | | | | | | || | | |77|80|82|83|x | | | | | |x | |b || | | | |81|84|86|87| | |97| |b | |b |w || | | | | |85|88|90|91| |74|b | |b | |w |w| | | | | | |89|92|w |73|w |b |b |w |w |w || | | | | | | |93|94|95|w |w |w |b |b |b |w|w | | | | | | | |96|b |b |b |b |w |w |b |w| |x | | | | | |x | | |w | | |w |w |b || |w | | | | |b | | | | |b |b |b |w |b |b| | | | | | | | | | | | | | |w |w |b| | | | | | | | | | | | | | | |w |20}
Moves 67 to 97 (Black: Lee Sedol; White: Hong Chang-sik).
Black wins when White resigns at move 211.

Match against AlphaGo

{{main|AlphaGo versus Lee Sedol}}

Starting March 9, 2016, Lee played a five-game match, broadcast live, against the computer program AlphaGo, developed by a London-based artificial intelligence firm Google DeepMind, for a $1 million match prize.[9][10][11] He said “I have heard that Google DeepMind’s AI is surprisingly strong and getting stronger, but I am confident that I can win at least this time”.[12] In an interview with Sohn Suk-hee of JTBC Newsroom on February 22, 2016,[13] he showed confidence in his chances again, while saying that even beating AlphaGo by 4–1 may allow the Google DeepMind team to claim its de facto victory and the defeat of him, or even humanity. In this interview he pointed out the time rule in this match, which seems well-balanced so that both he and the AI would fairly undergo time pressure. In another interview at Yonhap News, Lee Se-dol said that he was confident of beating AlphaGo by a score of 5–0, at least 4–1 and accepted the challenge in only five minutes. He also stated "Of course, there would have been many updates in the last four or five months, but that isn’t enough time to challenge me".[14]

On March 9, Lee played black and lost the first game by resignation.[15] On March 10, he played white and lost the second game by resignation.[16] On March 12, he played black and lost the third game as well.[17] On March 13, he played white and won the fourth game, following an unexpected move at White 78 described as "a brilliant tesuji", and by Gu Li 9 dan as a "divine move" and completely unforeseen by him. GoGameGuru commented that this game was "a masterpiece for Lee Sedol and will almost certainly become a famous game in the history of Go".[18] Lee commented after the victory that he considered AlphaGo was strongest when playing white (second). For this reason, and because he thought winning a second time with black would be more valuable than winning with white, he requested that he play black in the final fifth game, which is considered more risky when following Chinese go rules.[19] On March 15, he played black and lost the fifth game, to lose the Go series 1–4.[20]

{{Goban| | | | | | | | | | | | | | | | | | | | | | | | | | | | |b | | | | | | |b |w |b | |b | | | |w |w |b | | | | | |b | x|b |w | |b |w | x| | |b |b | |b | | | | | | | |w |b | | | | |b |w | | | | | | | | |w |b | | | | |b |w |w | | | | | |w | | |w |b | | |w | | |b |w | | | | | | | |w |b |w | | | | |b |b |w | | | | | | | |w |b | | | |b |78|b |w |b |w |w |w | | w |w |w |b | | |b | | | | |w |b |b |b |w | | |b |b | |b | | |w | |b | |w | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |b | | | | | | | | | | | | | | | | | | |w | | | | | | | | | | |w | | | w | |w |b |w | | | | x| | |b | |b | x|w | | | | | |w | | |b | | | | |b |w |w | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

|20}}

Game 4, Lee Sedol (white) v. AlphaGo (black).
First 78 moves

After his fourth-match victory, Lee was overjoyed: "I don't think I've ever felt so good after winning just one match. I remember when I said I will win all or lose just one game in the beginning. If this had really happened ― I won 3 rounds and lost this round ― it would have had a great bearing on my reputation. However, since I won after losing 3 games in a row, I am so happy. I will never exchange this win for anything in the world."[21] He added: "I, Lee Se-dol, lost, but mankind did not."[19] After the last match, however, Lee was saddened: "I failed. I feel sorry that the match is over and it ended like this. I wanted it to end well." He also confessed that "As a professional Go player, I never want to play this kind of match again. I endured the match because I accepted it."[22]

Promotion record

Lee Sedol turned pro in 1995 as 1 dan, and reached 9 dan in 2003.[23]

Rank Date Notes
1 dan2 July 1995Promoted to professional dan rank after passing qualifying test.
2 dan1 January 1998
3 dan1 January 2000
6 dan28 March 2003Won the 7th LG Cup against Lee Changho (4 dan and 5 dan were skipped over due to the Hanguk Kiwon promotion rules).
7 dan6 May 2003Runner up in the KT Cup against Yoo Changhyuk.
9 dan7 July 2003Won 16th Fujitsu Cup against Song Taekon (8 dan was skipped over due to the Hanguk Kiwon promotion rules).

Career record

{{Updated|10 June 2018|df=US}}[24][25]
  • 1997: 0 wins, 1 losses
  • 1998: 0 wins, 1 losses
  • 1999: 0 wins, 0 losses
  • 2000: 30 wins, 12 losses
  • 2001: 31 wins, 17 losses
  • 2002: 48 wins, 25 losses
  • 2003: 33 wins, 18 losses
  • 2004: 40 wins, 18 losses
  • 2005: 44 wins, 21 losses
  • 2006: 78 wins, 28 losses
  • 2007: 81 wins, 23 losses
  • 2008: 74 wins, 26 losses
  • 2009: 26 wins, 15 losses
  • 2010: 74 wins, 14 losses
  • 2011: 54 wins, 21 losses
  • 2012: 61 wins, 25 losses
  • 2013: 54 wins, 39 losses
  • 2014: 59 wins, 25 losses
  • 2015: 53 wins, 27 losses
  • 2016: 48 wins, 27 losses
  • 2017: 26 wins, 17 losses
  • 2018: 21 wins, 14 losses
  • Total: 935 wins, 414 losses (69.3% winning percentage)

Titles and runners-up

{{Updated|10 June 2018|df=US}}

Ranks #3 in total number of titles in Korea and #2 in international titles.

Domestic
Title Wins Runners-up
Baedalwang 1 (2000)
Paedal Cup 1 (2000)
Chunwon 1 (2000) 2 (2006, 2008)
GS Caltex Cup 3 (2002, 2006, 2012) 3 (2007, 2013, 2018)
Wangwi 2 (2002, 2004)
BC Card Cup 1 (2002)
KTF Cup 1 (2002)
New Pro King 1 (2002)
SK Gas Cup 1 (2002) 1 (2000)
KT Cup 1 (2003)
Maxim Cup 5 (2005–2007, 2014, 2016) 1 (2013)
Prices Information Cup 3 (2006–2007, 2010) 1 (2008)
KBS Cup 3 (2006, 2014, 2016) 4 (2001, 2004, 2009, 2015)
Guksu 2 (2007, 2009) 1 (2014)
Myungin 4 (2007–2008, 2012, 2016) 1 (2013)
Olleh KT Cup 2 (2010, 2011)
Siptan 1 (2011)
Total 30 17
Continental
Title Wins Runners-up
China–Korea New Pro Wang 1 (2002)
China–Korea Tengen 1 (2001)
Total 1 1
International
Title Wins Runners-up
Fujitsu Cup 3 (2002–2003, 2005) 1 (2010)
LG Cup 2 (2003, 2008) 2 (2001, 2009)
Samsung Cup 4 (2004, 2007–2008, 2012) 1 (2013)
World Oza 2 (2004, 2006)
Zhonghuan Cup 1 (2005)
Asian TV Cup 4 (2007, 2008, 2014, 2015) 2 (2009, 2017)
BC Card Cup 2 (2010–2011)
Chunlan Cup 1 (2011) 1 (2013)
Mlily Cup (梦百合杯) 1 (2016)
Total 18 9
Career total
Total 49 27[26]

Korean Baduk League

Season Team Place Record
2007 Team No.1 Fire Insurance (Captain) 4th place 9–5[27]
2008 Team No. 1 Fire Insurance (Captain) 4th place 13–3[28]
2010 Team Shinan Chunil Salt (Captain) Champions 16–2[29]
2011 Team Shinan Chunil Salt (Captain) 7th place 1–2[30]

Chinese A League

Season Team Place Record
2007 Team Guizhou (Captain) 2nd place 9–3[31]
2008 Team Guizhou (Captain) 2nd place 8–0[32]
2009 Team Guizhou (Captain) 8th place 6–4[33]

Trivia

At Tygem Lee Sedol plays as LeeShiShi.

References

1. ^1 2 3 4 Lee SeDol. gobase.org. accessed 22 June 2010.
2. ^{{cite web|url=https://www.theverge.com/2016/3/8/11178462/google-deepmind-go-challenge-ai-vs-lee-sedol|title=Google vs. Go: can AI beat the ultimate board game?|website=The Verge|access-date=2016-03-15}}
3. ^Lee Sedol Interview. justplaygo.com, accessed 22 June 2010. {{webarchive |url=https://web.archive.org/web/20100705142645/http://justplaygo.com/index.php/JPG/lee_sedol_interview/ |date=July 5, 2010 }}
4. ^{{cite web|url=http://gogameguru.com/top-20-go-players-lee-sedol-kong-jie/|title=Biography of Lee Sedol|author=An Younggil|accessdate=2013-02-11}}
5. ^{{cite web|url=http://gogameguru.com/lee-sedol-retirement-move-overseas/|title=Interview with Lee Sedol|author=An Younggil|accessdate=2013-02-11|archive-url=https://web.archive.org/web/20130305171759/http://gogameguru.com/lee-sedol-retirement-move-overseas/|archive-date=2013-03-05|dead-url=yes|df=}}
6. ^King of Kings (Final): "gjopok" vs. "idontca1", game 3. gosensations.com, accessed 19 February 2012
7. ^{{cite web|url=http://economy.hankooki.com/lpage/entv/200802/e2008022118482094250.htm|title=서울경제:|website=economy.hankooki.com|access-date=2016-03-12|deadurl=yes|archiveurl=https://web.archive.org/web/20160312133724/http://economy.hankooki.com/lpage/entv/200802/e2008022118482094250.htm|archivedate=2016-03-12|df=}}
8. ^Sensei's Library: Lee Sedol – Hong Chang Sik – ladder game
9. ^{{cite web|title = Google to Livestream 'Go' Battle Between World Champ, AI Tech|url = https://www.pcmag.com/article2/0,2817,2498930,00.asp|website = PCMAG|access-date = 2016-02-08}}
10. ^{{cite web|url = http://www.nature.com/news/go-players-react-to-computer-defeat-1.19255|author = Elizabeth Gibney| title= Go players react to computer defeat|date= 27 January 2016}}
11. ^{{cite web|url =https://www.economist.com/news/science-and-technology/21689501-beating-go-champion-machine-learning-computer-says-go|publisher = The Economist|title = Computer Says Go|date= 30 January 2016|accessdate=4 February 2016}}
12. ^{{cite web|title = YouTube will livestream Google’s AI playing Go superstar Lee Sedol in March|url = https://venturebeat.com/2016/02/04/youtube-will-livestream-googles-ai-playing-go-superstar-lee-sedol-in-march/|website = VentureBeat|access-date = 2016-02-08}}
13. ^{{cite web| url = http://news.jtbc.joins.com/html/144/NB11178144.html| title = [인터뷰] 이세돌 "5대 0으로 이기지 않으면 의미 없다고 생각해"| website = news.jtbc.joins.com| language = ko-KR| access-date = 2016-02-25}}
14. ^{{cite web|url=http://english.yonhapnews.co.kr/search1/2603000000.html?cid=AEN20160223003651315 |title=Yonhap News Agency |publisher=English.yonhapnews.co.kr |date= |accessdate=2017-12-10}}
15. ^{{cite web|url=https://gogameguru.com/alphago-defeats-lee-sedol-game-1/|title=AlphaGo defeats Lee Sedol in first game of historic man vs machine match|access-date=2016-03-09|archive-url=https://web.archive.org/web/20160503045838/https://gogameguru.com/alphago-defeats-lee-sedol-game-1/|archive-date=2016-05-03|dead-url=yes|df=}}
16. ^{{cite web|url=https://www.wired.com/2016/03/googles-ai-wins-pivotal-game-two-match-go-grandmaster/|title=Google’s AI Wins Pivotal Game Two In Match With Go Grandmaster}}
17. ^{{cite web|url=https://www.theguardian.com/technology/2016/mar/12/alphago-beats-lee-sedol-in-third-consecutive-go-game|title=AlphaGo beats Lee Sedol in third consecutive Go game}}
18. ^{{cite web |author=– March 13, 2016 |url=https://gogameguru.com/lee-sedol-defeats-alphago-masterful-comeback-game-4/ |title=Lee Sedol defeats AlphaGo in masterful comeback – Game 4 |publisher=Gogameguru.com |date=2016-03-13 |accessdate=2017-12-10 |archive-url=https://web.archive.org/web/20161116082508/https://gogameguru.com/lee-sedol-defeats-alphago-masterful-comeback-game-4/ |archive-date=2016-11-16 |dead-url=yes |df= }}
19. ^1 [https://www.koreatimes.co.kr/www/news/tech/2016/03/133_200267.html Lee Se-dol shows AlphaGo beatable], Korea Times
20. ^{{cite web|url=https://www.theverge.com/2016/3/15/11213518/alphago-deepmind-go-match-5-result|title=Google's AlphaGo AI beats Lee Se-dol again to win Go series 4–1}}
21. ^[https://www.koreatimes.co.kr/www/tech/2017/09/325_200283.html [Q&As] 'I'll never exchange this win for anything in the world'], Korea Times
22. ^{{cite web |title=한국 바둑계 ‘감’으로 나섰다가 ‘아뿔싸’ |trans-title=Korea Baduk Association ventured into "without thought" and "Yow" |date=March 16, 2016 |publisher=The Hankyoreh |url=http://www.hani.co.kr/arti/sports/baduk/735297.html?_fr=mt0 |language =Korean}}
23. ^{{cite web|url=http://www.baduk.or.kr/info/player_view.asp?prpl_code=10000119|title=Lee Sedol|publisher=Korea Baduk Association|date=|accessdate=6 January 2018|language=Korean}}
24. ^{{cite web|author=Username * |url=https://www.go4go.net/go/games/byplayer/5 |title=Lee Sedol | Search by Player |publisher=Go4Go |date= |accessdate=2017-12-10}}
25. ^{{cite web|url=https://k2ss.info/igo/ranking/?country=kr |title=Win–Loss Ranking – Go to Everyone! |publisher=K2ss.info |date= |accessdate=2017-12-10}}
26. ^Lee Sedol 9p {{webarchive|url=https://web.archive.org/web/20110524103033/http://www.gogameworld.com/gophp/playerinfo.php?name=Lee%20Sedol |date=2011-05-24 }} gogameworld.com, accessed 22 June 2010
27. ^{{cite web | url=http://igokisen.web.fc2.com/2007kl.html | title=2007 Korean Baduk League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}
28. ^{{cite web | url=http://igokisen.web.fc2.com/2008kl.html | title=2008 Korean Baduk League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}
29. ^{{cite web | url=http://igokisen.web.fc2.com/2010kl.html | title=2010 Korean Baduk League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}
30. ^{{cite web | url=http://igokisen.web.fc2.com/2011kl.html | title=2011 Korean Baduk League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}
31. ^{{cite web | url=http://igokisen.web.fc2.com/2007al.html | title=2007 Chinese A League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}
32. ^{{cite web | url=http://igokisen.web.fc2.com/2008al.html | title=2008 Chinese A League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}
33. ^{{cite web | url=http://igokisen.web.fc2.com/2009al.html | title=2009 Chinese A League | publisher=igokisen.web.fc2.com | accessdate=13 June 2011 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}

External links

{{Wikiquote}}
  • {{facebook|sedol.lee.9}}
  • Yi Se-Tol on Sensei's Library

On YouTube

  • [https://www.youtube.com/watch?v=vFr3K2DORc8&t=1670 1st match against AlphaGo]
  • [https://www.youtube.com/watch?v=l-GsfyVCBu0&t=1212 2nd match against AlphaGo ]
  • [https://www.youtube.com/watch?v=qUAmTYHEyM8&t=912 3rd match against AlphaGo ]
  • [https://www.youtube.com/watch?v=yCALyQRN3hw&t=899 4th match against AlphaGo ]
  • [https://www.youtube.com/watch?v=mzpW10DPHeQ 5th match against AlphaGo]
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8 : 1983 births|Living people|South Korean Go players|People from South Jeolla Province|Asian Games medalists in go|Go players at the 2010 Asian Games|Asian Games gold medalists for South Korea|Medalists at the 2010 Asian Games
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