Koyama Yasuo General information kanji [No promotion information available] nationality Japan born 1937-04-27 died 2000 rank 9 pro status Professional affiliation Kansai Ki-in, Osaka, Japan pid 2010 Performance games 18 wins 5 losses 13 draws 0 unknown 0 no result 0 score 27.78% (details) game collection properties sort by 18 games match record id event round black player black id black rank black team black ranks white player white id white rank white team white ranks place komi handicap allotted time moves mtime signature file size date game record result date (r) date place event player modified file size # of moves (ids=="2010") List size: items include:  List Stats