Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Common russian riichi rating (CRR)
Rating date July 9, 2023 (latest changes July 9, 2023).
149 place (123.56).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (509.09 * 3.30 * 0.29 + 333.33 * 3.45 * 0.43 + 81.08 * 4.05 * 0.86 + 0 + 0) / (3.30 * 0.29 + 3.45 * 0.43 + 4.05 * 0.86 + 1 + 1) = 158.92083035855123
p2 = (333.33 * 3.45 * 0.43 + 509.09 * 3.30 * 0.29 + 81.08 * 4.05 * 0.86) / max_coefficients = 88.2003733144508
score = 158.92083035855123 * 0.5 + 88.2003733144508 * 0.5 = 123.56060183650101
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 |