Vorobeva Polina

From Cherepovets, Russia

Player page

Internal rating (RR)

Rating date May 22, 2026 (latest changes May 17, 2026).

146 place (291.84).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

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 = 232.76296296296297

score = 350.91675126903556 * 0.5 + 232.76296296296297 * 0.5 = 291.8398571159993

Rating changes

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all results
Date Place Points Reason
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
2026-05-01 151 -> 150 291.06
2026-04-27 153 -> 151 291.06
2026-04-19 149 -> 153 291.06
2026-04-16 153 -> 149 291.06
2026-04-13 152 -> 153 291.06
2026-04-11 148 -> 152 291.06

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