Vorobeva Polina

From Cherepovets, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2026 (latest changes Sept. 4, 2026).

218 place (279.81).

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

p1 = (402.60 * 3.45 * 0.86 + 608.11 * 3.40 * 1 + 0 + 0 + 0) / (3.45 * 0.86 + 3.40 * 1 + 1 + 1 + 1) = 348.19405161593016

p2 = (608.11 * 3.40 * 1 + 402.60 * 3.45 * 0.86) / max_coefficients = 211.4243997404283

score = 348.19405161593016 * 0.5 + 211.4243997404283 * 0.5 = 279.80922567817925

Rating changes

Show

all results
Date Place Points Reason
2026-09-02 219 -> 218 279.81
2026-09-01 221 -> 219 279.81
2026-08-31 213 -> 221 287.25 -> 279.81

SPB Riichi Open 2025: 100% -> 86%
2026-08-30 211 -> 213 287.25
2026-08-26 212 -> 211 287.25
2026-08-16 204 -> 212 287.25
2026-08-15 204 286.43 -> 287.25
2026-08-14 205 -> 204 286.43
2026-08-13 207 -> 205 286.43
2026-08-04 209 -> 207 286.43

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 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg