Chernykh Anastasiya
From Moscow, Russia
EMA: 15990108
Common russian riichi rating (CRR)
Rating date June 12, 2023 (latest changes June 12, 2023).
63 place (390.70).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (72.73 * 3.30 * 0.43 + 413.33 * 3.45 * 0.43 + 638.30 * 3.10 * 0.57 + 720.72 * 4.05 * 0.86 + 0) / (3.30 * 0.43 + 3.45 * 0.43 + 3.10 * 0.57 + 4.05 * 0.86 + 1) = 475.77264659473957
p2 = (720.72 * 4.05 * 0.86 + 638.30 * 3.10 * 0.57 + 413.33 * 3.45 * 0.43 + 72.73 * 3.30 * 0.43) / max_coefficients = 305.6333635814842
score = 475.77264659473957 * 0.5 + 305.6333635814842 * 0.5 = 390.7030050881119
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-06-12 | 59 -> 63 | 406.12 -> 390.70 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 48 -> 59 | 420.96 -> 406.12 | |
| 2023-05-28 | 49 -> 48 | 426.62 -> 420.96 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 48 -> 49 | 420.10 -> 426.62 | |
| 2023-05-06 | 52 -> 48 | 412.18 -> 420.10 |
Kirov Tournament: 57% -> 43% |
| 2023-05-05 | 113 -> 52 | 221.02 -> 412.18 | |
| 2021-02-01 | 88 -> 113 | 463.20 -> 221.02 | |
| 2020-02-01 | 88 | 463.20 |