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International  general information | player biography | oya koichi | detailed statistics  
Over the years
Period Games Win Loss Jigo None Unkn Scoring
2015-2016 3 1 2 0 0 0 33.33%
2014-2015 3 2 1 0 0 0 66.67%
2009-2014 25 11 14 0 0 0 44.00%
2004-2009 26 9 17 0 0 0 34.62%
1999-2004 25 9 16 0 0 0 36.00%
1994-1999 27 13 14 0 0 0 48.15%
1989-1994 34 15 19 0 0 0 44.12%
1984-1989 21 12 9 0 0 0 57.14%
1981-1984 8 6 2 0 0 0 75.00%

Over the color
Color Games Win Loss Jigo None Unkn Scoring
Black 85 42 43 0 0 0 49.41%
White 87 36 51 0 0 0 41.38%
Overall 172 78 94 0 0 0 45.35%

Over the komi
Komi Games Win Loss Jigo None Unkn Scoring
Giving  6.50 30 13 17 0 0 0 43.33%
Giving  5.50 49 23 26 0 0 0 46.94%
No komi 16 12 4 0 0 0 75.00%
Receiving  5.50 48 21 27 0 0 0 43.75%
Receiving  6.50 29 9 20 0 0 0 31.03%

Over handicap
Handicap Games Win Loss Jigo None Unkn Scoring
Even game 172 78 94 0 0 0 45.35%

Over result margins

Margin Games Fraction
-R 56 32.56%
-10 3 1.74%
-5 8 4.65%
-4 3 1.74%
-2 9 5.23%
-1 7 4.07%
-0 8 4.65%
+0 10 5.81%
+1 4 2.33%
+2 4 2.33%
+3 3 1.74%
+4 3 1.74%
+5 4 2.33%
+10 1 0.58%
+R 49 28.49%

Over events
Event Games Win Loss Jigo None Unkn Scoring
? 8 0 8 0 0 0 0.00%
Agon Cup 2 0 2 0 0 0 0.00%
China-Japan supergo 10 7 3 0 0 0 70.00%
Daiwa Cup 7 5 2 0 0 0 71.43%
Fujitsu Cup 4 0 4 0 0 0 0.00%
Gosei tournament 15 6 9 0 0 0 40.00%
Honinbo title 2 1 1 0 0 0 50.00%
Honinbo tournament 13 5 8 0 0 0 38.46%
Japanese NEC Cup 1 0 1 0 0 0 0.00%
Judan tournament 11 5 6 0 0 0 45.45%
Kisei tournament 3 1 2 0 0 0 33.33%
LG Cup 2 0 2 0 0 0 0.00%
Meijin tournament 1 1 0 0 0 0 100.00%
NHK Cup 8 4 4 0 0 0 50.00%
Oteai 13 10 3 0 0 0 76.92%
Oza tournament 14 7 7 0 0 0 50.00%
Phoenix Cup 1 0 1 0 0 0 0.00%
Ryu-Sei Cup 38 19 19 0 0 0 50.00%
Shin-Ei 1 1 0 0 0 0 100.00%
Shinjin-O 5 2 3 0 0 0 40.00%
Shun'ei 1 1 0 0 0 0 100.00%
Tengen tournament 12 3 9 0 0 0 25.00%

Over players
Player Games Win Loss Jigo None Unkn Scoring
? 4 1 3 0 0 0 25.00%
Abe Yoshiteru 2 2 0 0 0 0 100.00%
Andō Akio 1 1 0 0 0 0 100.00%
Aoki Shinichi 1 0 1 0 0 0 0.00%
Aragaki Takeshi 1 1 0 0 0 0 100.00%
Chin Kaei 1 0 1 0 0 0 0.00%
Chō Chikun 5 1 4 0 0 0 20.00%
Chō Sonjin 9 2 7 0 0 0 22.22%
Chō U 2 0 2 0 0 0 0.00%
Fujisawa Kazunari 1 0 1 0 0 0 0.00%
Fujisawa Shūkō 1 1 0 0 0 0 100.00%
Furuya Yutaka 1 1 0 0 0 0 100.00%
Hagiya Kazuhiro 1 1 0 0 0 0 100.00%
Hanawa Yasutoki 1 1 0 0 0 0 100.00%
Hane Naoki 2 1 1 0 0 0 50.00%
Hashimoto Yūjirō 1 1 0 0 0 0 100.00%
Hikosaka Naoto 1 1 0 0 0 0 100.00%
Hirano Norikazu 1 1 0 0 0 0 100.00%
Hiroe Hiroyuki 1 0 1 0 0 0 0.00%
Hisajima Kunio 1 0 1 0 0 0 0.00%
Honda Kunihisa 1 1 0 0 0 0 100.00%
Ikezaki Tokinori 1 1 0 0 0 0 100.00%
Imamura Yoshiaki 2 2 0 0 0 0 100.00%
Ishida Yoshio 3 1 2 0 0 0 33.33%
Ishikura Noboru 2 1 1 0 0 0 50.00%
Iwata Hajime 1 0 1 0 0 0 0.00%
Iwata Tatsuaki 1 0 1 0 0 0 0.00%
Kamimura Haruo 1 0 1 0 0 0 0.00%
Kanashima Tadashi 1 1 0 0 0 0 100.00%
Kataoka Satoshi 4 3 1 0 0 0 75.00%
Katō Atsushi 1 0 1 0 0 0 0.00%
Katō Masao 3 1 2 0 0 0 33.33%
Kenmochi Jō 1 0 1 0 0 0 0.00%
Kimura Yoshio 1 1 0 0 0 0 100.00%
Kishimoto Kazuo 1 1 0 0 0 0 100.00%
Ko Iso 1 0 1 0 0 0 0.00%
Kobayashi Chizu 1 1 0 0 0 0 100.00%
Kobayashi Koichi 1 0 1 0 0 0 0.00%
Kobayashi Satoru 5 2 3 0 0 0 40.00%
Kojima Takaho 1 1 0 0 0 0 100.00%
Komatsu Hideki 1 0 1 0 0 0 0.00%
Konagai Masaru 1 0 1 0 0 0 0.00%
Kono Rin 2 1 1 0 0 0 50.00%
Kurahashi Masayuki 1 1 0 0 0 0 100.00%
Kō Mōsei 1 1 0 0 0 0 100.00%
Lee ChangHo 1 0 1 0 0 0 0.00%
Lee SeDol 1 0 1 0 0 0 0.00%
Liang Weitang 1 1 0 0 0 0 100.00%
Liao Guiyong 2 1 1 0 0 0 50.00%
Michael Redmond 3 3 0 0 0 0 100.00%
Mimura Tomoyasu 1 0 1 0 0 0 0.00%
Mitani Tetsuya 1 0 1 0 0 0 0.00%
Mizokami Tomochika 1 1 0 0 0 0 100.00%
Muramatsu Ryūichi 1 1 0 0 0 0 100.00%
Nakamura Hidehito 2 1 1 0 0 0 50.00%
Nakano Hironari 2 1 1 0 0 0 50.00%
Nakaonoda Tomomi 2 1 1 0 0 0 50.00%
Nishimura Keiji 1 1 0 0 0 0 100.00%
Oba Junya 1 0 1 0 0 0 0.00%
Ogata Masaki 1 0 1 0 0 0 0.00%
Oyama Kunio 1 1 0 0 0 0 100.00%
Rin Kaihō 3 1 2 0 0 0 33.33%
Ryū Shikun 4 3 1 0 0 0 75.00%
Sakai Hideyuki 1 0 1 0 0 0 0.00%
Sakai Takeshi 1 0 1 0 0 0 0.00%
Sakata Eio 1 0 1 0 0 0 0.00%
Shimoji Genshō 1 0 1 0 0 0 0.00%
Shiraishi Yutaka 2 1 1 0 0 0 50.00%
Shuto Shun 1 1 0 0 0 0 100.00%
So Yōkoku 1 0 1 0 0 0 0.00%
Sonoda Yasutaka 1 1 0 0 0 0 100.00%
Sonoda Yuichi 1 1 0 0 0 0 100.00%
Takao Shinji 4 0 4 0 0 0 0.00%
Takemiya Masaki 3 2 1 0 0 0 66.67%
Tei Meikō 1 1 0 0 0 0 100.00%
Tokimoto Hajime 1 0 1 0 0 0 0.00%
Tono Hiroaki 1 0 1 0 0 0 0.00%
Tsuruyama Atsushi 1 1 0 0 0 0 100.00%
Ushinohama Satsuo 1 0 1 0 0 0 0.00%
Wang Jianhong 1 1 0 0 0 0 100.00%
Yamada Kimio 4 3 1 0 0 0 75.00%
Yamada Wakio 1 1 0 0 0 0 100.00%
Yamashita Keigo 1 1 0 0 0 0 100.00%
Yang Hui 2 2 0 0 0 0 100.00%
Yoda Norimoto 7 3 4 0 0 0 42.86%
Yokota Shigeaki 2 1 1 0 0 0 50.00%
Yu Bin 2 0 2 0 0 0 0.00%
Yuki Satoshi 6 1 5 0 0 0 16.67%
Yō Kagen 2 0 2 0 0 0 0.00%
Zhang Wendong 2 2 0 0 0 0 100.00%
Ō Meien 3 0 3 0 0 0 0.00%
Ō Rissei 5 0 5 0 0 0 0.00%
Ōgaki Yūsaku 1 1 0 0 0 0 100.00%
Ōhira Shūzō 1 0 1 0 0 0 0.00%
Ōtake Hideo 4 2 2 0 0 0 50.00%

Over the ranks
Rank Games Win Loss Jigo None Unkn Scoring
? 1 0 1 0 0 0 0.00%
1p 1 1 0 0 0 0 100.00%
2p 3 2 1 0 0 0 66.67%
3p 3 2 1 0 0 0 66.67%
4p 5 3 2 0 0 0 60.00%
5p 6 2 4 0 0 0 33.33%
6p 22 14 8 0 0 0 63.64%
7p 31 12 19 0 0 0 38.71%
8p 33 14 19 0 0 0 42.42%
9p 67 28 39 0 0 0 41.79%

Over the length
Moves Games Win Loss Jigo None Unkn Scoring
0- 50 2 0 2 0 0 0 0.00%
50-100 4 2 2 0 0 0 50.00%
100-150 33 16 17 0 0 0 48.48%
150-200 49 20 29 0 0 0 40.82%
200-250 36 18 18 0 0 0 50.00%
250-300 39 19 20 0 0 0 48.72%
300-350 9 3 6 0 0 0 33.33%

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