Petrushin Ivan
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-09 | 154 -> 153 | 170.60 | |
| 2023-09-06 | 156 -> 154 | 170.60 | |
| 2023-09-05 | 158 -> 156 | 165.72 -> 170.60 |
Winter tournament: 43% -> 29% |
| 2023-09-03 | 141 -> 158 | 169.18 -> 165.72 | |
| 2023-09-01 | 177 -> 141 | 46.10 -> 169.18 | |
| 2021-02-01 | 177 | 46.10 |