Sobolev Sergei
From Izhevsk, Russia
Common russian riichi rating (CRR)
Rating date March 23, 2026 (latest changes March 21, 2026).
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-21 | 287 | 119.64 |
Grief from Uma: 0% -> 100% |