Sotnikova Anna

From Kirov, Russia

Player page

Internal rating (RR)

Rating date Oct. 8, 2026 (latest changes Oct. 8, 2026).

254 place (94.61).

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

p1 = (419.35 * 3.10 * 0.29 + 209.30 * 3 * 0.71 + 0 + 0 + 0) / (3.10 * 0.29 + 3 * 0.71 + 1 + 1 + 1) = 136.00571943263495

p2 = (209.30 * 3 * 0.71 + 419.35 * 3.10 * 0.29) / max_coefficients = 53.20700843608047

score = 136.00571943263495 * 0.5 + 53.20700843608047 * 0.5 = 94.60636393435772

Rating changes

Show

all results
Date Place Points Reason
2026-10-03 252 -> 254 99.95 -> 94.61

Two roosters and Chuckles: 86% -> 71%
2026-09-07 248 -> 252 114.91 -> 99.95

Moscow Open Riichi Marathon: 43% -> 29%
2026-09-06 242 -> 248 114.91
2026-09-01 248 -> 242 114.91
2026-08-31 248 114.80 -> 114.91
2026-08-27 249 -> 248 114.80
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

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 209 2025-08-03 35/44 71% 3.00 RR Two roosters and Chuckles Kirov
2 419 2025-01-07 19/32 29% 3.10 RR Moscow Open Riichi Marathon Moscow
3 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov