Tkachenko Ivan
From Sarov, Russia
EMA: 15990417
Common russian riichi rating (CRR)
Rating date Nov. 10, 2022 (latest changes Nov. 10, 2022).
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-11-06 | 18 -> 29 | 557.70 -> 530.39 |
Kirov Tournament: 100% -> 86% |
| 2022-11-05 | 132 -> 18 | 168.93 -> 557.70 | |
| 2021-02-01 | 150 -> 132 | 315.12 -> 168.93 | |
| 2020-02-01 | 150 | 315.12 |