Vorobeva Polina

From Cherepovets, Russia

Player page

Internal rating (RR)

Rating date Oct. 31, 2026 (latest changes Oct. 31, 2026).

178 place (246.13).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (402.60 * 3.45 * 0.71 + 608.11 * 3.40 * 1 + 42.25 * 3.40 * 1 + 0 + 0) / (3.45 * 0.71 + 3.40 * 1 + 3.40 * 1 + 1 + 1) = 284.38074684391046

p2 = (608.11 * 3.40 * 1 + 402.60 * 3.45 * 0.71 + 42.25 * 3.40 * 1) / max_coefficients = 207.8754055807917

score = 284.38074684391046 * 0.5 + 207.8754055807917 * 0.5 = 246.12807621235106

Rating changes

Show

all results
Date Place Points Reason
2026-10-31 176 -> 178 255.04 -> 246.13

SPB Riichi Open 2025: 86% -> 71%
2026-10-13 180 -> 176 255.04
2026-09-06 164 -> 180 279.81 -> 255.04

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-02 165 -> 164 279.81
2026-09-01 166 -> 165 279.81
2026-08-31 161 -> 166 287.25 -> 279.81

SPB Riichi Open 2025: 100% -> 86%
2026-08-26 162 -> 161 287.25
2026-08-16 158 -> 162 287.25
2026-08-15 158 286.43 -> 287.25
2026-08-13 159 -> 158 286.43

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 42 2026-09-06 69/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 608 2026-02-23 30/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 403 2025-08-31 47/78 71% 3.45 RR SPB Riichi Open 2025 Saint Petersburg