Sotnikova Anna

From Kirov, Russia

Player page

Internal rating (RR)

Rating date Jan. 22, 2026 (latest changes Jan. 14, 2026).

195 place (158.89).

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

p1 = (419.35 * 3.10 * 0.86 + 209.30 * 3 * 1 + 0 + 0 + 0) / (3.10 * 0.86 + 3 * 1 + 1 + 1 + 1) = 201.24038207187007

p2 = (419.35 * 3.10 * 0.86 + 209.30 * 3 * 1) / max_coefficients = 116.53110367892977

score = 201.24038207187007 * 0.5 + 116.53110367892977 * 0.5 = 158.88574287539993

Rating changes

Show

all results
Date Place Points Reason
2026-01-12 196 -> 195 158.89
2026-01-10 198 -> 196 158.89
2026-01-07 194 -> 198 170.41 -> 158.89

Moscow Open Riichi Marathon: 100% -> 86%
2025-12-07 189 -> 194 170.41
2025-12-04 191 -> 189 170.41
2025-11-30 192 -> 191 170.41
2025-11-14 193 -> 192 170.41
2025-11-12 192 -> 193 170.41
2025-11-04 184 -> 192 173.34 -> 170.41
2025-11-01 184 173.10 -> 173.34

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 86% 3.10 RR Moscow Open Riichi Marathon Moscow
3 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov