Games of Cho Chikun against Cho Sonjin

Cho Sonjin was born in Korea in 1970, moved to Japan in 1982 and became professional in 1984. In 1999 he became the Honinbo challenger and unexpectedly won the match, thus ending a ten year reign of Cho Chikun in the Honinbo title matches.

The next year he lost the Honinbo title to O Meien. He has been the challenger for a number of other major titles, but has not yet succeeded again in winning one.

He won the Agon-Kiriyama Cup twice (2000, 2001).

Nr. Date Event & Result Mvs
11992-07-202nd Ryusei League, Semi-final (B, B+2.5)293
21992-08-0825th Hayago Championship, Round 2 (B, B+R)193
31999-05-1254th Honinbo Final, Game 1 (B, B+6.5)239
41999-05-2454th Honinbo Final, Game 2 (W, B+R)203
51999-05-3154th Honinbo Final, Game 3 (B, B+7.5)231
61999-06-1054th Honinbo Final, Game 4 (W, B+0.5)284
71999-06-2254th Honinbo Final, Game 5 (B, W+2.5)254
81999-07-0554th Honinbo Final, Game 6 (W, B+R)163
92000-10-087th Agon-Kiriyama Cup Final (W, B+R)161
102001-04-0556th Honinbo League, Game 26 (B, B+R)191
112001-07-1226th Meijin League (B, W+6.5)257
122001-11-2257th Honinbo League (B, B+R)203
132002-06-2027th Kisei League B (W, B+R)215
142002-08-0127th Meijin League (W, W+R)138
152003-02-1358th Honinbo League (W, B+R)169
162004-03-0430th Tengen League, Round 2 (B, B+3.5)209
172004-09-3030th Gosei Preliminary (?, +) 
182005-05-3014th Ryusei League, Round 2 (B, B+R)249
192005-07-2112th Agon-Kiriyama Cup, Round 1 (W, W+R)152
202007-09-2733rd Meijin Preliminary Group 3, Round 2 (W, W+R)214

Starting Points

Recent years

1999 2000 2001
2002 2003 2004
2005 2006 2007


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