Sviridova Valentina
From Moscow, Russia
EMA: 15990330
Common russian riichi rating (CRR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
150 place (229.31).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
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 = 169.45532057391617
score = 289.16153846153844 * 0.5 + 169.45532057391617 * 0.5 = 229.3084295177273
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-03 | 150 | 226.30 -> 229.31 | |
| 2024-09-01 | 140 -> 150 | 230.57 -> 226.30 | |
| 2024-08-27 | 141 -> 140 | 230.57 | |
| 2024-08-26 | 144 -> 141 | 230.57 | |
| 2024-08-11 | 144 | 229.66 -> 230.57 | |
| 2024-08-04 | 144 | 233.09 -> 229.66 | |
| 2024-07-14 | 137 -> 144 | 233.09 | |
| 2024-07-06 | 136 -> 137 | 233.09 | |
| 2024-06-27 | 135 -> 136 | 233.09 | |
| 2024-06-25 | 137 -> 135 | 233.09 |