| World Amateur Go Championship |
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28th 28.05.2007-31.05.2007 Tokyo |
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27th 28.05.2006-31.05.2006 Sasebo |
26th 24.05.2005-27.05.2005 Nagoya |
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25th 06.06.2004-10.06.2004 Kurashiki |
24th 02.06.2002-06.06.2002 Takayama |
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23rd 10.06.2001-14.06.2001 Hyuga |
22nd 19.06.2000-22.06.2000 Sendai |
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21st 08.06.1999-11.06.1999 Oita |
20th 02.06.1998-05.06.1998 Tokyo |
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19th 10.06.1997-13.06.1997 Sapporo |
18th 21.05.1996-24.05.1996 Omachi |
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Korea Prime Minister Cup International Baduk Championship |
2nd 22.10.2007-14.10.2007 Suwon, Korea |
1st 22.10.2006-25.10.2006 Jeonju, Korea |
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| Incheon World Amateur Baduk Championship |
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1st 27.09.2003-03.10.2003 Incheon, Korea |
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| International Amateur Pair Go Championship |
18th 2007 |
17th 2006 |
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16th 2005 |
15th 2004 |
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14th 2003 |
13th 2002 |
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12th 2001 |
11th 2000 |
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10th 1999 |
1st-9th 1990-1998 |
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| World Student Oza |
6th 2008 Japan |
5th 2007 Japan |
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4th 2006 Japan |
3rd 2005 Japan |
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2nd 2004 Japan |
1st 2003 Japan |
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| World Youth Goe Championship |
23rd 2006 Shenzhen, China |
22nd 2005 Barcelona, Spain |
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21st 2004 Vancouver, Canada |
20th 2003 Shanghai, China |
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19th 2002 Bankok, Thailand |
18th 2001 Hawaii, USA |
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17th 2000 Prague, Czechia |
16th 1999 Singapore |
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15th 1998 China |
14th 1997 Taipei, Taiwan |
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13th 1996 Seoul, Korea |
12th 1995 Amsterdam, Netherlands |
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11th 1994 California, USA |
1st 1984 Taipei, Taiwan |