Sviridova Valentina
From Moscow, Russia
EMA: 15990330
Common russian riichi rating (CRR)
Rating date Sept. 12, 2025 (latest changes Sept. 12, 2025).
235 place (170.51).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (392.16 * 3.05 * 0.43 + 470.59 * 3.05 * 0.71 + 0 + 0 + 0) / (3.05 * 0.43 + 3.05 * 0.71 + 1 + 1 + 1) = 237.11174102988892
p2 = (470.59 * 3.05 * 0.71 + 392.16 * 3.05 * 0.43) / max_coefficients = 103.91013513513512
score = 237.11174102988892 * 0.5 + 103.91013513513512 * 0.5 = 170.510938082512
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-10 | 229 -> 235 | 181.16 -> 170.51 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 236 -> 229 | 181.16 | |
| 2025-09-01 | 236 | 179.64 -> 181.16 | |
| 2025-08-31 | 232 -> 236 | 179.64 | |
| 2025-08-25 | 234 -> 232 | 179.64 | |
| 2025-08-09 | 225 -> 234 | 193.00 -> 179.64 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 225 | 192.39 -> 193.00 | |
| 2025-08-03 | 221 -> 225 | 192.39 | |
| 2025-07-26 | 219 -> 221 | 192.39 | |
| 2025-07-25 | 220 -> 219 | 192.39 |