Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Common russian riichi rating (CRR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
175 place (76.15).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (81.08 * 4.05 * 0.57 + 509.09 * 3.30 * 0.14 + 333.33 * 3.45 * 0.14 + 0 + 0) / (4.05 * 0.57 + 3.30 * 0.14 + 3.45 * 0.14 + 1 + 1) = 112.1573404284541
p2 = (509.09 * 3.30 * 0.14 + 81.08 * 4.05 * 0.57 + 333.33 * 3.45 * 0.14) / max_coefficients = 40.13898305084746
score = 112.1573404284541 * 0.5 + 40.13898305084746 * 0.5 = 76.14816173965079
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-10-12 | 175 | 76.07 -> 76.15 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 174 -> 175 | 90.30 -> 76.07 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-09 | 175 -> 174 | 90.30 | |
| 2023-09-06 | 172 -> 175 | 111.60 -> 90.30 |
Kirov Tournament: 29% -> 14% |
| 2023-09-03 | 157 -> 172 | 114.69 -> 111.60 | |
| 2023-09-01 | 21 -> 157 | 630.94 -> 114.69 | |
| 2021-02-01 | 25 -> 21 | 664.42 -> 630.94 | |
| 2020-02-01 | 25 | 664.42 |