JP Yokoyama Kōichi
General information
also found as 横山孝一
Yokoyama Koichi
Yokoyama Ko-ichi
[No promotion information available]
nationality JP 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
biography Yokayama Koichi, Born May 30, 1919 in Tokyo, Japan.
game collection
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