Vorobeva Polina

From Cherepovets, Russia

Player page

Internal rating (RR)

Rating date July 2, 2026 (latest changes July 2, 2026).

157 place (286.43).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

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 = 221.9407722174815

score = 350.91675126903556 * 0.5 + 221.9407722174815 * 0.5 = 286.4287617432585

Rating changes

Show

all results
Date Place Points Reason
2026-07-01 158 -> 157 286.43
2026-06-27 159 -> 158 286.43
2026-06-26 160 -> 159 286.43
2026-06-15 162 -> 160 282.41 -> 286.43
2026-06-14 142 -> 162 291.84 -> 282.41
2026-06-04 146 -> 142 291.84
2026-05-17 143 -> 146 291.84
2026-05-12 151 -> 143 291.84
2026-05-03 148 -> 151 291.06 -> 291.84
2026-05-02 150 -> 148 291.06

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 608 2026-02-23 30/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 403 2025-08-31 47/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg