Yokoyama Koichi
| General information | ||
|---|---|---|
| kanji | 
|
|
| also found as | Yokoyama Ko-ichi | |
| nationality |  Japan
|
|
| born | 1919-05-30 | |
| teachers | Yasunaga Hajime (from 1936) | |
| rank | 6 | |
| pro status | Professional | |
| affiliation | Nihon Ki-in, Tokyo, Japan | |
| pid | 108 | |
| www | http://www.nihonkiin.or.jp/player/htm/ki000108.htm | |
| Performance | ||
| games | 104 |
|
| wins | 48 | |
| losses | 53 | |
| draws | 3 | |
| unknown | 0 | |
| no result | 0 | |
| score | 47.60% (details) | |
| biography | Yokayama Koichi, Born May 30, 1919 in Tokyo, Japan. | |
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