Sviridova Valentina
From Moscow, Russia
EMA: 15990330
Common russian riichi rating (CRR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
237 place (155.17).
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 * 0.57 + 0 + 0 + 0) / (3.05 * 0.43 + 3.05 * 0.57 + 1 + 1 + 1) = 220.29256198347107
p2 = (470.59 * 3.05 * 0.57 + 392.16 * 3.05 * 0.43) / max_coefficients = 90.05202702702702
score = 220.29256198347107 * 0.5 + 90.05202702702702 * 0.5 = 155.17229450524906
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-09 | 233 -> 237 | 170.51 -> 155.17 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-09-15 | 235 -> 233 | 170.51 | |
| 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 |