Ratings
KOYAMA Keiko (Japan)
Japanese name(s): 小山景子1 tournaments
5 results
Player ID: 16530
Rated 766 in Japan and 947 in Asia&Oceania&Africa and 1270 in the World
Latest rating: 1257
5 results
Player ID: 16530
Rated 766 in Japan and 947 in Asia&Oceania&Africa and 1270 in the World
Latest rating: 1257
2025-11-23: 4_Shinagawa_first_step(Japan)
| KOYAMA Keiko | 45-19 | SHIRAKANEI Chika |
| OBA Ikki | 60-04 | KOYAMA Keiko |
| KOYAMA Keiko | 44-20 | ISHII Daiki |
| SHIGEMI Shigami | 51-13 | KOYAMA Keiko |
| KOYAMA Keiko | 36-28 | MOROKAWA Eiichi |