Sviridova Valentina
From Moscow, Russia
EMA: 15990330
Internal rating (RR)
Rating date Dec. 9, 2025 (latest changes Dec. 9, 2025).
183 place (195.60).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (392.16 * 3.05 * 0.29 + 470.59 * 3.05 * 0.43 + 280.70 * 3.90 * 1 + 0 + 0) / (3.05 * 0.29 + 3.05 * 0.43 + 3.90 * 1 + 1 + 1) = 253.95813515064157
p2 = (280.70 * 3.90 * 1 + 470.59 * 3.05 * 0.43 + 392.16 * 3.05 * 0.29) / max_coefficients = 137.23277591973246
score = 253.95813515064157 * 0.5 + 137.23277591973246 * 0.5 = 195.595455535187
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-09 | 176 -> 183 | 207.99 -> 195.60 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-07 | 170 -> 176 | 207.99 | |
| 2025-12-04 | 171 -> 170 | 207.99 | |
| 2025-11-30 | 172 -> 171 | 207.99 | |
| 2025-11-12 | 175 -> 172 | 207.99 | |
| 2025-11-10 | 171 -> 175 | 216.80 -> 207.99 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 192 -> 171 | 156.75 -> 216.80 |
XI Russian Championship: 0% -> 100% |
| 2025-11-01 | 192 | 156.58 -> 156.75 | |
| 2025-10-13 | 194 -> 192 | 155.17 -> 156.58 | |
| 2025-10-09 | 187 -> 194 | 170.51 -> 155.17 |
Agari Summer Tournament 2024: 71% -> 57% |