Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Common russian riichi rating (CRR)
Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).
59 place (497.32).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (372.55 * 3.05 * 1 + 705.88 * 3.05 * 1 + 921.35 * 3.75 * 1 + 0 + 0) / (3.05 * 1 + 3.05 * 1 + 3.75 * 1 + 1 + 1) = 569.1367088607595
p2 = (921.35 * 3.75 * 1 + 705.88 * 3.05 * 1 + 372.55 * 3.05 * 1) / max_coefficients = 425.50599369085177
score = 569.1367088607595 * 0.5 + 425.50599369085177 * 0.5 = 497.3213512758057
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-03 | 60 -> 59 | 497.32 | |
| 2024-12-25 | 61 -> 60 | 497.32 | |
| 2024-12-11 | 63 -> 61 | 497.32 | |
| 2024-11-26 | 64 -> 63 | 497.32 | |
| 2024-11-05 | 67 -> 64 | 497.32 | |
| 2024-11-03 | 70 -> 67 | 497.32 | |
| 2024-10-13 | 133 -> 70 | 286.64 -> 497.32 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 134 -> 133 | 286.64 | |
| 2024-09-15 | 132 -> 134 | 286.64 | |
| 2024-09-06 | 133 -> 132 | 286.64 |