Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Internal rating (RR)
Rating date July 20, 2023 (latest changes July 20, 2023).
109 place (126.19).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155
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 = 93.4584244053511
score = 158.92083035855123 * 0.5 + 93.4584244053511 * 0.5 = 126.18962738195117
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-20 | 110 -> 109 | 124.51 -> 126.19 | |
| 2023-07-06 | 108 -> 110 | 143.00 -> 124.51 |
Kirov Tournament: 43% -> 29% |
| 2023-06-19 | 109 -> 108 | 143.00 | |
| 2023-06-12 | 109 | 139.32 -> 143.00 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 92 -> 109 | 147.72 -> 139.32 | |
| 2023-05-28 | 91 -> 92 | 157.41 -> 147.72 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 92 -> 91 | 154.88 -> 157.41 | |
| 2023-05-06 | 90 -> 92 | 171.76 -> 154.88 |
Kirov Tournament: 57% -> 43% |
| 2023-05-05 | 37 -> 90 | 486.74 -> 171.76 | |
| 2021-02-01 | 36 -> 37 | 612.98 -> 486.74 |