Sviridova Valentina
From Moscow, Russia
EMA: 15990330
Common russian riichi rating (CRR)
Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).
186 place (227.59).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (392.16 * 3.05 * 1 + 470.59 * 3.05 * 1 + 0 + 0 + 0) / (3.05 * 1 + 3.05 * 1 + 1 + 1 + 1) = 289.16153846153844
p2 = (470.59 * 3.05 * 1 + 392.16 * 3.05 * 1) / max_coefficients = 166.01703470031546
score = 289.16153846153844 * 0.5 + 166.01703470031546 * 0.5 = 227.58928658092697
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-16 | 179 -> 186 | 227.59 | |
| 2025-02-11 | 178 -> 179 | 227.59 | |
| 2025-02-02 | 171 -> 178 | 227.59 | |
| 2025-01-26 | 164 -> 171 | 227.59 | |
| 2025-01-07 | 161 -> 164 | 227.59 | |
| 2025-01-04 | 157 -> 161 | 227.59 | |
| 2025-01-03 | 158 -> 157 | 227.59 | |
| 2024-12-29 | 157 -> 158 | 227.59 | |
| 2024-12-22 | 158 -> 157 | 227.59 | |
| 2024-12-01 | 157 -> 158 | 227.59 |