Cho Chikun in the Oza tournament

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# Cho Chikun in the Oza tournament

Jan van Rongen created lists with metadata for all games of Cho Chikun until 2007 in the various tournaments (with links to the actual games when available). For Oza that list is here. The below updates the list to 2017.

# | date | event | round | opponent (color) | result | #mv | sgf
--- | --- | --- | --- | --- | --- | --- | ---
1 | 1969-03-12 | 18th Oza | 1st Preliminary | Takeuchi Kiyotaka (B) | W+R | 160 | sgf
2 | 1972-10-25 | 21st Oza | Preliminaries | Iwamoto Kaoru (B) | B+R | 175 | sgf
3 | 1976 | 24th Oza | Preliminaries | Hiroe Katsuhiko (?) |  |
4 | 1976-05-27 | 24th Oza | Round 1 | Fujisawa Hosai (B) | W+4.5 | 230 | sgf
5 | 1976-08-19 | 24th Oza | Round 2 | Takemiya Masaki (B) | W+R | 184 | sgf
6 | 1976-10-07 | 24th Oza | Round 3 | Rin Kaiho (W) | B+R | 135 | sgf
7 | 1976-11-04 | 24th Oza | Challengers' Final | Kato Masao (W) | B+R | 211 | sgf
8 | 1976-11-18 | 24th Oza Title | Game 1 | Otake Hideo (W) | B+R | 215 | sgf
9 | 1976-11-25 | 24th Oza Title | Game 2 | Otake Hideo (B) | B+R | 191 | sgf
10 | 1976-12-09 | 24th Oza Title | Game 3 | Otake Hideo (W) | B+4.5 | 248 | sgf
11 | 1977-11-09 | 25th Oza Title | Game 1 | Kudo Norio (W) | W+1.5 | 239 | sgf
12 | 1977-11-16 | 25th Oza Title | Game 2 | Kudo Norio (B) | B+4.5 | 259 | sgf
13 | 1978-06-29 | 26th Oza | Round 1 | Takemiya Masaki (B) | B+R | 213 | sgf
14 | 1979 | 27th Oza | Preliminaries | Otake Hideo (?) | ? |
15 | 1981-05-11 | 29th Oza | 3rd Preliminary | O Rissei (B) | B+2.5 | 293 | sgf
16 | 1982-07-05 | 30th Oza | Round 1 | Ishida Akira (W) | W+2.5 | 248 | sgf
17 | 1983-05-05 | 31st Oza | Round 1 | Ishida Yoshio (W) | B+6.5 | 247 | sgf
18 | 1983-06-16 | 31st Oza | Round 2 | Ishida Akira (W) | B+2.5 | 255 | sgf
19 | 1983-09-12 | 31st Oza | Round 3 | Rin Kaiho (B) | B+R | 209 | sgf
20 | 1984-05-03 | 32nd Oza | Round 1 | Ohira Shuzo (W) | B+R | 123 | sgf
21 | 1984-05-31 | 32nd Oza | Round 2 | Sanno Hirotaka (B) | W+4.5 | 255 | sgf
22 | 1984-07-26 | 32nd Oza | Round 3 | Takemiya Masaki (B) | W+R | 150 | sgf
23 | 1984-08-30 | 32nd Oza | Challengers' Final | Yamashiro Hiroshi (B) | B+6.5 | 257 | sgf
24 | 1985-03-07 | 33rd Oza | Round 1 | Takagi Shoichi (B) | W+R | 192 | sgf
25 | 1985-07-18 | 33rd Oza | Round 2 | Takemiya Masaki (B) | B+3.5 | 220 | sgf
26 | 1986-05-29 | 34th Oza | Round 1 | O Rissei (B) | W+3.5 | 281 | sgf
27 | 1986-07-10 | 34th Oza | Round 2 | Rin Kaiho (W) | W+R | 158 | sgf
28 | 1987-05-21 | 35th Oza | Round 1 | Yamashiro Hiroshi (B) | W+1.5 | 239 | sgf
29 | 1987-06-11 | 35th Oza | Round 2 | Takemiya Masaki (W) | B+R | 117 | sgf
30 | 1987-07-23 | 35th Oza | Round 3 | O Rissei (W) | B+R | 169 | sgf
31 | 1987-08-27 | 35th Oza | Challengers' Final | Rin Kaiho (W) | B+R | 181 | sgf
32 | 1987-09-10 | 35th Oza Title | Game 1 | Kato Masao (B) | B+R | 153 | sgf
33 | 1987-09-25 | 35th Oza Title | Game 2 | Kato Masao (W) | W+R | 134 | sgf
34 | 1987-10-15 | 35th Oza Title | Game 3 | Kato Masao (B) | W+R | 140 | sgf
35 | 1987-11-04 | 35th Oza Title | Game 4 | Kato Masao (W) | W+R | 166 | sgf
36 | 1988-03-31 | 36th Oza | Round 1 | Kobayashi Satoru (B) | B+R | 101 | sgf
37 | 1989-07-13 | 37th Oza | Round 1 | Otake Hideo (B) | W+R | 136 | sgf
38 | 1989-08-17 | 37th Oza | Round 2 | Honda Kunihisa (B) | W+R | 94 | sgf
39 | 1989-09-14 | 37th Oza | Round 3 | Hane Yasumasa (B) | B+R | 295 | sgf
40 | 1990-05-03 | 38th Oza | Round 1 | Ohira Shuzo (B) | B+R | 171 | sgf
41 | 1991-05-02 | 39th Oza | Round 1 | Tono Hiroaki (B) | W+13.5 | 257 | sgf
42 | 1991-08-01 | 39th Oza | Round 2 | Hashimoto Shoji (W) | W+1.5 | 236 | sgf
43 | 1992-05-21 | 40th Oza | Round 1 | Otake Hideo (W) | B+3.5 | 287 | sgf
44 | 1992-08-13 | 40th Oza | Round 2 | Hashimoto Shoji (B) | B+R | 201 | sgf
45 | 1993-03-18 | 41st Oza | Round 1 | Ishida Yoshio (W) | B+R | 137 | sgf
46 | 1993-07-08 | 41st Oza | Round 2 | O Rissei (W) | B+R | 237 | sgf
47 | 1993-08-26 | 41st Oza | Round 3 | Kato Masao (B) | B+1.5 | 246 | sgf
48 | 1994-04-21 | 42nd Oza | Round 1 | Hashimoto Shoji (W) | B+2.5 | 221 | sgf
49 | 1994-06-23 | 42nd Oza | Round 2 | Takemiya Masaki (W) | B+1.5 | 256 | sgf
50 | 1994-09-01 | 42nd Oza | Round 3 | Rin Kaiho (W) | B+10.5 | 223 | sgf
51 | 1994-09-15 | 42nd Oza | Challengers' Final | Yoda Norimoto (W) | B+R | 195 | sgf
52 | 1994-10-21 | 42nd Oza Title | Game 1 | Kato Masao (W) | B+R | 145 | sgf
53 | 1994-11-02 | 42nd Oza Title | Game 2 | Kato Masao (B) | B+R | 199 | sgf
54 | 1994-11-17 | 42nd Oza Title | Game 3 | Kato Masao (W) | W+R | 216 | sgf
55 | 1994-11-24 | 42nd Oza Title | Game 4 | Kato Masao (B) | W+4.5 | 244 | sgf
56 | 1994-12-08 | 42nd Oza Title | Game 5 | Kato Masao (W) | B+R | 197 | sgf
57 | 1995-10-19 | 43rd Oza Title | Game 1 | O Rissei (W) | W+0.5 | 257 | sgf
58 | 1995-11-01 | 43rd Oza Title | Game 2 | O Rissei (B) | B+R | 141 | sgf
59 | 1995-11-16 | 43rd Oza Title | Game 3 | O Rissei (W) | W+R | 118 | sgf
60 | 1996-06-14 | 44th Oza | Round 1 | Otake Hideo (W) | W+R | 160 | sgf
61 | 1997-03-27 | 45th Oza | Round 1 | O Meien (B) | B+R | 75 | sgf
62 | 1998-04-09 | 46th Oza | Round 1 | Michael Redmond (W) | W+R | 164 | sgf
63 | 1999-04-15 | 47th Oza | Round 1 | Awaji Shuzo (B) | W+R | 118 | sgf
64 | 1999-05-20 | 47th Oza | Round 2 | So Yokoku (W) | B+R | 175 | sgf
65 | 1999-07-29 | 47th Oza | Round 3 | Rin Kaiho (W) | B+4.5 | 219 | sgf
66 | 1999-08-26 | 47th Oza | Challengers' Final | Kato Masao (W) | B+R | 147 | sgf
67 | 1999-10-25 | 47th Oza Title | Game 1 | O Rissei (W) | B+4.5 | 281 | sgf
68 | 1999-11-18 | 47th Oza Title | Game 2 | O Rissei (B) | B+R | 161 | sgf
69 | 1999-12-02 | 47th Oza Title | Game 3 | O Rissei (W) | W+R | 186 | sgf
70 | 1999-12-09 | 47th Oza Title | Game 4 | O Rissei (B) | B+R | 123 | sgf
71 | 2000-03-30 | 48th Oza | Round 1 | Kono Takashi (W) | B+R | 195 | sgf
72 | 2000-06-08 | 48th Oza | Round 2 | Hikosaka Naoto (B) | W+0.5 | 244 | sgf
73 | 2000-06-29 | 48th Oza | Round 3 | Kato Masao (W) | B+4.5 | 272 | sgf
74 | 2000-08-24 | 48th Oza | Challengers' Final | Yoda Norimoto (W) | B+R | 187 | sgf
75 | 2000-10-23 | 48th Oza Title | Game 1 | O Rissei (B) | W+R | 174 | sgf
76 | 2000-11-22 | 48th Oza Title | Game 2 | O Rissei (W) | W+0.5 | 281 | sgf
77 | 2000-11-30 | 48th Oza Title | Game 3 | O Rissei (B) | B+6.5 | 259 | sgf
78 | 2000-12-14 | 48th Oza Title | Game 4 | O Rissei (W) | W+R | 208 | sgf
79 | 2001-04-26 | 49th Oza | Round 1 | Yamashiro Hiroshi (W) | B+R | 153 | sgf
80 | 2001-05-24 | 49th Oza | Round 2 | Komatsu Hideki (W) | B+R | 235 | sgf
81 | 2001-07-05 | 49th Oza | Round 3 | Yoda Norimoto (W) | B+R | 145 | sgf
82 | 2001-08-23 | 49th Oza | Challengers' Final | Kato Atsushi (B) | W+5.5 | 208 | sgf
83 | 2001-10-19 | 49th Oza Title | Game 1 | O Rissei (W) | B+R | 159 | sgf
84 | 2001-11-01 | 49th Oza Title | Game 2 | O Rissei (B) | W+7.5 | 284 | sgf
85 | 2001-11-14 | 49th Oza Title | Game 3 | O Rissei (W) | B+R | 147 | sgf
86 | 2002-10-10 | 50th Oza Title | Game 1 | O Meien (B) | W+R | 228 | sgf
87 | 2002-10-31 | 50th Oza Title | Game 2 | O Meien (W) | W+T | 144 | sgf
88 | 2002-11-21 | 50th Oza Title | Game 3 | O Meien (B) | B+0.5 | 276 | sgf
89 | 2002-11-28 | 50th Oza Title | Game 4 | O Meien (W) | B+R | 181 | sgf
90 | 2002-12-12 | 50th Oza Title | Game 5 | O Meien (W) | W+R | 174 | sgf
91 | 2003-04-24 | 51st Oza | Round 1 | Kudo Norio (W) | B+3.5 | 213 | sgf
92 | 2003-06-26 | 51st Oza | Round 2 | Yamashiro Hiroshi (B) | B+2.5 | 294 | sgf
93 | 2003-12-25 | 52nd Oza | Last Preliminary, Final | Kato Atsushi (B) | B+1.5 |
94 | 2004-10-21 | 53rd Oza | Preliminary A1 | Mitani Tetsuya (?) |  |
95 | 2004-11-04 | 53rd Oza | Preliminary A2 | Tahara Yasufumi (?) |  |
96 | 2005-02-17 | 53rd Oza | Last Preliminary, Final | Ogaki Yusaku (B) | W+R | 162 | sgf
97 | 2005-05-19 | 53rd Oza | Round 1 | Kataoka Satoshi (W) | W+4.5 | 200 | sgf
98 | 2005-12-01 | 54th Oza | Last Preliminary, Round 1 | Kobayashi Satoru (B) | B+8.5 | 209 | sgf
99 | 2007-05-10 | 55th Oza | Round 1 | So Yokoku (W) | W+R | 224 | sgf
100 | 2008-04-24 | 56th Oza | Round 1 | Yuki Satoshi (W) | W+R | 76 | sgf
101 | 2009-05-14 | 57th Oza | Round 1 | Yamada Kimio (B) | B+0.5 | 292 | sgf
102 | 2010-02-11 | 58th Oza | Last Preliminary | So Yokoku (W) | B+R | 249 | sgf
103 | 2010-03-11 | 58th Oza | Last Preliminary, Final | Kiyonari Tetsuya (W) | W+R | 206 | sgf
104 | 2010-11-11 | 59th Oza | Preliminary A1 | Nakaonoda Tomomi (W) | B+R | 167 | sgf
105 | 2010-12-23 | 59th Oza | Preliminary A2 | Rin Kanketsu (W) | B+R | 189 | sgf
106 | 2011-02-03 | 59th Oza | Last Preliminary | Nakamura Shinya (B) | W+R | 160 | sgf
107 | 2011-02-24 | 59th Oza | Last Preliminary, Final | Sakai Takeshi (W) | B+R | 127 | sgf
108 | 2011-05-19 | 59th Oza | Round 1 | Yoda Norimoto (B) | W+R | 190 | sgf
109 | 2011-05-30 | 59th Oza | Round 2 | Hane Naoki (W) | W+R | 178 | sgf
110 | 2012-01-19 | 60th Oza | Last Preliminary | Imamura Yoshiaki (W) | B+4.5 | 169 | sgf
111 | 2012-02-23 | 60th Oza | Last Preliminary, Final | Anzai Nobuaki (B) | W+R | 164 | sgf
112 | 2012-05-10 | 60th Oza | Round 1 | Yuki Satoshi (W) | W+R | 206 | sgf
113 | 2013-05-09 | 61st Oza | Last Preliminary, Final | Seto Taiki (B) | B+8.5 | 221 | sgf
114 | 2013-12-19 | 62nd Oza | Preliminary A1 | Ryu Shikun (W) | B+R | 215 | sgf
115 | 2014-01-16 | 62nd Oza | Preliminary A2 | Rin Kanketsu (B) | B+R | 113 | sgf
116 | 2015-01-15 | 63rd Oza | Preliminary A1 | Sato Masaharu (B) | W+R | 214 | sgf
117 | 2015-02-05 | 63rd Oza | Preliminary A2 | Rin Shien (B) | W+6.5 | 260 | sgf
118 | 2015-03-12 | 63rd Oza | Last Preliminary, Round 1 | Mizokami Tomochika (W) | W+1.5 | 253 | sgf
119 | 2015-10-29 | 64th Oza | Preliminary A1 | Ishikura Noboru (B) | W+4.5 | 264 | sgf
120 | 2015-11-12 | 64th Oza | Preliminary A2 | Morita Michihiro (B) | W+R | 122 | sgf
121 | 2016-03-03 | 64th Oza | Last Preliminary | Goto Shungo (B) | W+2.5 | 251 | sgf
122 | 2016-05-05 | 64th Oza | Last Preliminary, Final | Kono Rin (B) | B+5.5 | 334 | sgf
123 | 2016-10-20 | 65th Oza | Preliminary A1 | Yamashiro Hiroshi (W) | W+R | 188 | sgf
124 | 2017-08-10 | 66th Oza | Preliminary B3 | Sakai Maki (B) | W+3.5 | 313 | sgf
125 | 2017-12-21 | 66th Oza | Preliminary A2 | Cho Sonjin (B) | B+R | 145 | sgf