Vorobeva Polina
From Cherepovets, Russia
Internal rating (RR)
Rating date March 2, 2026 (latest changes March 2, 2026).
151 place (291.06).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (402.60 * 3.45 * 1 + 608.11 * 3.40 * 1 + 0 + 0 + 0) / (3.45 * 1 + 3.40 * 1 + 1 + 1 + 1) = 350.91675126903556
p2 = (608.11 * 3.40 * 1 + 402.60 * 3.45 * 1) / max_coefficients = 231.20602006688966
score = 350.91675126903556 * 0.5 + 231.20602006688966 * 0.5 = 291.0613856679626
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-02 | 152 -> 151 | 291.06 | |
| 2026-02-23 | 152 | 291.06 |
White Wolf Cup 2026: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 608 |
|
30/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 2 | 403 |
|
47/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg |