Sotnikova Anna

From Kirov, Russia

Player page

Internal rating (RR)

Rating date March 30, 2026 (latest changes March 30, 2026).

204 place (146.80).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (419.35 * 3.10 * 0.71 + 209.30 * 3 * 1 + 0 + 0 + 0) / (3.10 * 0.71 + 3 * 1 + 1 + 1 + 1) = 189.4859349453942

p2 = (419.35 * 3.10 * 0.71 + 209.30 * 3 * 1) / max_coefficients = 104.11371237458195

score = 189.4859349453942 * 0.5 + 104.11371237458195 * 0.5 = 146.79982365998808

Rating changes

Show

all results
Date Place Points Reason
2026-03-30 206 -> 204 146.80
2026-03-14 207 -> 206 146.80
2026-03-12 208 -> 207 146.80
2026-03-07 202 -> 208 158.89 -> 146.80

Moscow Open Riichi Marathon: 86% -> 71%
2026-03-01 203 -> 202 158.89
2026-02-23 193 -> 203 158.89
2026-02-09 194 -> 193 158.89
2026-02-04 195 -> 194 158.89
2026-01-30 197 -> 195 158.89
2026-01-25 195 -> 197 158.89

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 209 2025-08-03 35/44 100% 3.00 RR Two roosters and Chuckles Kirov
2 419 2025-01-07 19/32 71% 3.10 RR Moscow Open Riichi Marathon Moscow
3 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov