Sotnikova Anna

From Kirov, Russia

Player page

Internal rating (RR)

Rating date July 15, 2026 (latest changes July 14, 2026).

234 place (118.90).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (419.35 * 3.10 * 0.43 + 209.30 * 3 * 1 + 0 + 0 + 0) / (3.10 * 0.43 + 3 * 1 + 1 + 1 + 1) = 161.706232790169

p2 = (209.30 * 3 * 1 + 419.35 * 3.10 * 0.43) / max_coefficients = 76.09359379123431

score = 161.706232790169 * 0.5 + 76.09359379123431 * 0.5 = 118.89991329070165

Rating changes

Show

all results
Date Place Points Reason
2026-07-14 235 -> 234 118.90
2026-07-12 232 -> 235 118.90
2026-07-07 228 -> 232 132.20 -> 118.90

Moscow Open Riichi Marathon: 57% -> 43%
2026-07-01 229 -> 228 132.20
2026-06-15 229 130.60 -> 132.20
2026-06-14 209 -> 229 134.34 -> 130.60
2026-06-13 210 -> 209 134.34
2026-06-09 212 -> 210 134.34
2026-06-04 214 -> 212 134.34
2026-05-17 213 -> 214 134.34

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 43% 3.10 RR Moscow Open Riichi Marathon Moscow
3 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov