Sokolova Valeriya
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Aug. 31, 2025 (latest changes Aug. 9, 2025).
161 place (249.61).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (284.21 * 3.85 * 1 + 610.17 * 3.25 * 1 + 57.14 * 1.90 * 1 + 0 + 0) / (3.85 * 1 + 3.25 * 1 + 1.90 * 1 + 1 + 1) = 289.62090909090915
p2 = (610.17 * 3.25 * 1 + 284.21 * 3.85 * 1 + 57.14 * 1.90 * 1) / max_coefficients = 209.59407894736844
score = 289.62090909090915 * 0.5 + 209.59407894736844 * 0.5 = 249.6074940191388
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-04 | 161 | 248.58 -> 249.61 | |
| 2025-08-03 | 155 -> 161 | 248.58 | |
| 2025-07-30 | 157 -> 155 | 248.58 | |
| 2025-07-14 | 158 -> 157 | 248.58 | |
| 2025-07-13 | 156 -> 158 | 248.58 | |
| 2025-07-12 | 157 -> 156 | 246.64 -> 248.58 | |
| 2025-07-10 | 158 -> 157 | 246.64 | |
| 2025-07-03 | 160 -> 158 | 246.64 | |
| 2025-06-15 | 147 -> 160 | 249.66 -> 246.64 | |
| 2025-06-11 | 153 -> 147 | 249.66 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 57 |
|
34/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 2 | 610 |
|
24/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 284 |
|
69/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |