Sviridova Valentina
From Moscow, Russia
EMA: 15990330
Internal rating (RR)
Rating date Nov. 19, 2025 (latest changes Nov. 14, 2025).
172 place (207.99).
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 * 0.57 + 280.70 * 3.90 * 1 + 0 + 0) / (3.05 * 0.29 + 3.05 * 0.57 + 3.90 * 1 + 1 + 1) = 265.03980723865146
p2 = (280.70 * 3.90 * 1 + 470.59 * 3.05 * 0.57 + 392.16 * 3.05 * 0.29) / max_coefficients = 150.94247491638797
score = 265.03980723865146 * 0.5 + 150.94247491638797 * 0.5 = 207.99114107751973
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-10-04 | 188 -> 187 | 170.51 | |
| 2025-09-14 | 189 -> 188 | 170.51 | |
| 2025-09-12 | 190 -> 189 | 170.51 | |
| 2025-09-10 | 185 -> 190 | 181.16 -> 170.51 |
Agari Spring Tournament 2024: 57% -> 43% |