Tkachenko Ivan
From Sarov, Russia
EMA: 15990417
Internal rating (RR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-08-12 | 43 -> 46 | 438.17 -> 415.70 |
Moscow Riichi 2022: 86% -> 71% |
| 2023-07-20 | 43 | 432.41 -> 438.17 | |
| 2023-07-15 | 115 -> 43 | 168.93 -> 432.41 | |
| 2021-02-01 | 132 -> 115 | 315.12 -> 168.93 | |
| 2020-02-01 | 132 | 315.12 |