Won Seong-jin

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Won Seong-jin
Full nameWon Seong-jin
Hangul 원성진
Hanja 元晟溱
Born (1985-07-15) 15 July 1985 (age 38)
South Korea
ResidenceSouth Korea
Turned pro1998
Rank 9 dan
Affiliation Hanguk Kiwon

Won Seong-jin (born 15 July 1985) is a professional Go player.

Contents

Biography

Won became a professional in 1998. In 2011, Won entered his first World Championship Final, the 16th Samsung Cup, by defeating Pak Yeong-hun in the quarter-finals, and Chen Yaoye 2-1 in a hard fought semi-final to face the defending champion Gu Li, who respectively defeated former winner Lee Chang-ho, then rising Korean star Na Hyun 2-0.

The final, played from 5–7 December with no rest breaks, was the first World Championship not to include a rest day, a format which resulted in little rest for the players and more fiercely competitive games. Won, with the white stones, attacked Gu Li's long dragon in the middle of the battle and gained a convincing win, albeit from Gu Li's lack of insight on his dragon's safety.

Game 2, however produced more energetic Go from Gu, this time with the white stones, who instantaneously began forming an exterior advantage and steady territory gain in exchange for Won's opening acquired territory. The first battle scene shifted to the bottom-left hand corner, and Won immediately had to break up White's territorial/positional advantage. Whilst Black was able to successfully defend against White's attack, he conceded the initiative to White, who immediately broke into Black's territory in the bottom-right. Though Black was able to withstand white's erasure of his territory, it became clear that Black's 55th move was an error in reply, which allowed development to occur in mid-bottom territory, should White decide to do so. Black's 59th move however, was observed and quoted by many other pros as a blunder, a very sub-par move which did not benefit Black nor affect White in any way. The game progressed further, and it appeared that Black, despite his slip-ups, had White's 2 dragons (mid-bottom/right) in a tightening grip, though there was still no danger present. Only further development into the game showed that White's advantage, after breaking into Black's territory at top, was very substantial, and that Black had to securely kill the right hand group to win, or to force it into a ko fight where Black's focus would equally be on the mid-bottom dragon. Gu displayed exceptional insight to nullify Black's attacking attempts on the right, whilst it was White's excessive ko count which enabled him to win the ko fight in the huge mid/bottom ko dragon fight.

Game 3, however, was a game riddled with mistakes from both sides, though more from Gu, who again played white. It seemed like a territory endgame was to be handed to Black due to his marginal lead despite the 6.5 komi, but a mistake on move 189 gave Gu an opportunity to strike and drag the game into a closer fight. However, Gu was unable to take advantage and then handed the initiative to Won, who calmly looked for weaknesses in Gu's territory, forcing White's resignation on move 235.

This remains to date Won's only World Championship and, despite the victory, he has to perform the compulsory 2-year military service of South Korea. This is due to the Hanguk Kiwon and the Korean Military's mutual agreement that players who won major international titles outside Korea, i.e. the Fujitsu Cup and the Ing Cup, were able to be exempt from it, whilst domestic titles still required the player to perform military service.

Promotion record

RankYearNotes
1 dan1998
2 dan1999
3 dan2000
4 dan2002
5 dan2003
6 dan2004
7 dan2006
8 dan
9 dan2007Special promotion from 7 dan to 9 dan for winning the 12th Chunwon.

Career record

Titles and runners-up

Domestic
TitleWinsRunners-up
Myungin 1 (2009)
GS Caltex Cup 1 (2010)1 (2008)
Chunwon 1 (2007)1 (2003)
BC Card Cup 1 (2007)2 (2001, 2006)
SK Gas Cup 1 (1999)
New Pro King 1 (2007)2 (2001, 2006)
Total48
Continental
China-Korea Tengen 1 (2008)
Total10
Career total
Total58 [7]

Korean Baduk League

SeasonTeamPlaceRecord
2007 Team Hangame (Captain)5th place9–4 [8]
2008 Team World Meridian (Captain)Fourth place11–4 [9]
2009 Team Batoo (Captain)Third place6–7 [10]
2010 Team Hite Jinro Fourth place12–5 [11]
2011 Team Netmarble TBD0–1 [12]

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References

  1. ↑ "Korea win-loss 2006". igokisen.web.fc2.com. Retrieved 13 June 2011.
  2. ↑ "Korea win-loss 2007". igokisen. Retrieved 13 June 2011.
  3. ↑ "Korea win-loss 2008". igokisen. Retrieved 13 June 2011.
  4. ↑ "Korea win-loss 2009". igokisen. Retrieved 13 June 2011.
  5. ↑ "Korea win-loss 2010". igokisen. Retrieved 13 June 2011.
  6. ↑ "Korea win-loss 2011". igokisen. Retrieved 13 June 2011.
  7. ↑ "Won SeongJin 9p". gogameworld.com. Retrieved 14 June 2011.
  8. ↑ "2007 Korean Baduk League". igokisen. Retrieved 13 June 2011.
  9. ↑ "2008 Korean Baduk League". igokisen. Retrieved 13 June 2011.
  10. ↑ "2009 Korean Baduk League". igokisen. Retrieved 13 June 2011.
  11. ↑ "2010 Korean Baduk League". igokisen. Retrieved 13 June 2011.
  12. ↑ "2011 Korean Baduk League". igokisen. Retrieved 13 June 2011.
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