Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Common russian riichi rating (CRR)
Rating date Aug. 20, 2023 (latest changes Aug. 20, 2023).
149 place (114.69).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (509.09 * 3.30 * 0.29 + 333.33 * 3.45 * 0.29 + 81.08 * 4.05 * 0.71 + 0 + 0) / (3.30 * 0.29 + 3.45 * 0.29 + 4.05 * 0.71 + 1 + 1) = 152.91604790226037
p2 = (509.09 * 3.30 * 0.29 + 333.33 * 3.45 * 0.29 + 81.08 * 4.05 * 0.71) / max_coefficients = 76.45726738017498
score = 152.91604790226037 * 0.5 + 76.45726738017498 * 0.5 = 114.68665764121768
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-08-12 | 149 | 111.97 -> 114.69 |
Moscow Riichi 2022: 86% -> 71% |
| 2023-07-28 | 148 -> 149 | 123.56 -> 111.97 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-20 | 149 -> 148 | 123.56 | |
| 2023-07-06 | 146 -> 149 | 141.87 -> 123.56 |
Kirov Tournament: 43% -> 29% |
| 2023-07-03 | 147 -> 146 | 141.87 | |
| 2023-06-19 | 21 -> 147 | 630.94 -> 141.87 | |
| 2021-02-01 | 25 -> 21 | 664.42 -> 630.94 | |
| 2020-02-01 | 25 | 664.42 |