Sotnikova Anna

From Kirov, Russia

Player page

Internal rating (RR)

Rating date May 10, 2026 (latest changes May 7, 2026).

223 place (134.34).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (419.35 * 3.10 * 0.57 + 209.30 * 3 * 1 + 0 + 0 + 0) / (3.10 * 0.57 + 3 * 1 + 1 + 1 + 1) = 176.3827087735191

p2 = (419.35 * 3.10 * 0.57 + 209.30 * 3 * 1) / max_coefficients = 92.3050505050505

score = 176.3827087735191 * 0.5 + 92.3050505050505 * 0.5 = 134.3438796392848

Rating changes

Show

all results
Date Place Points Reason
2026-05-07 218 -> 223 147.15 -> 134.34

Moscow Open Riichi Marathon: 71% -> 57%
2026-05-03 213 -> 218 146.80 -> 147.15
2026-05-01 215 -> 213 146.80
2026-04-27 218 -> 215 146.80
2026-04-19 208 -> 218 146.80
2026-04-16 207 -> 208 146.80
2026-04-11 205 -> 207 146.80
2026-04-09 206 -> 205 146.80
2026-04-05 203 -> 206 146.80
2026-04-04 204 -> 203 146.80

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 57% 3.10 RR Moscow Open Riichi Marathon Moscow
3 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov