Sotnikova Anna

From Kirov, Russia

Player page

Internal rating (RR)

Rating date Aug. 26, 2026 (latest changes Aug. 26, 2026).

249 place (114.80).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999

p1 = (419.35 * 3.10 * 0.43 + 209.30 * 3 * 0.86 + 0 + 0 + 0) / (3.10 * 0.43 + 3 * 0.86 + 1 + 1 + 1) = 158.74874636954416

p2 = (419.35 * 3.10 * 0.43 + 209.30 * 3 * 0.86) / max_coefficients = 70.85122897800775

score = 158.74874636954416 * 0.5 + 70.85122897800775 * 0.5 = 114.79998767377596

Rating changes

Show

all results
Date Place Points Reason
2026-08-16 243 -> 249 114.80
2026-08-15 243 114.54 -> 114.80
2026-08-13 245 -> 243 114.54
2026-08-04 249 -> 245 114.54
2026-08-03 247 -> 249 118.90 -> 114.54

Two roosters and Chuckles: 100% -> 86%
2026-08-02 245 -> 247 118.90
2026-07-25 241 -> 245 118.90
2026-07-18 234 -> 241 118.90
2026-07-14 235 -> 234 118.90
2026-07-12 232 -> 235 118.90

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 209 2025-08-03 35/44 86% 3.00 RR Two roosters and Chuckles Kirov
2 419 2025-01-07 19/32 43% 3.10 RR Moscow Open Riichi Marathon Moscow
3 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov