Chernykh Anastasiya
From Moscow, Russia
EMA: 15990108
Common russian riichi rating (CRR)
Rating date May 20, 2023 (latest changes May 20, 2023).
49 place (426.62).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
p1 = (72.73 * 3.30 * 0.43 + 413.33 * 3.45 * 0.57 + 638.30 * 3.10 * 0.57 + 720.72 * 4.05 * 1 + 0) / (3.30 * 0.43 + 3.45 * 0.57 + 3.10 * 0.57 + 4.05 * 1 + 1) = 486.6479541101493
p2 = (720.72 * 4.05 * 1 + 638.30 * 3.10 * 0.57 + 413.33 * 3.45 * 0.57 + 72.73 * 3.30 * 0.43) / max_coefficients = 366.5846251489847
score = 486.6479541101493 * 0.5 + 366.5846251489847 * 0.5 = 426.616289629567
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 |