Sotnikova Anna

From Kirov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 21, 2026 (latest changes Sept. 17, 2026).

152 place (374.81).

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

p1 = (157.89 * 1.50 * 0.29 + 419.35 * 3.10 * 0.29 + 209.30 * 3 * 0.86 + 1000 * 2.90 * 1 + 0) / (1.50 * 0.29 + 3.10 * 0.29 + 3 * 0.86 + 2.90 * 1 + 1) = 498.009124631367

p2 = (1000 * 2.90 * 1 + 209.30 * 3 * 0.86 + 419.35 * 3.10 * 0.29 + 157.89 * 1.50 * 0.29) / max_coefficients = 251.60674886437377

score = 498.009124631367 * 0.5 + 251.60674886437377 * 0.5 = 374.8079367478704

Rating changes

Show

all results
Date Place Points Reason
2026-09-07 150 -> 152 378.72 -> 374.81

Moscow Open Riichi Marathon: 43% -> 29%
2026-09-06 147 -> 150 378.72
2026-09-04 149 -> 147 375.55 -> 378.72

Dirty Riichi: 43% -> 29%
2026-09-02 150 -> 149 375.55
2026-09-01 151 -> 150 375.55
2026-08-31 151 375.12 -> 375.55
2026-08-30 147 -> 151 375.12
2026-08-27 145 -> 147 375.12
2026-08-16 142 -> 145 375.12
2026-08-15 143 -> 142 374.15 -> 375.12

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 1000 2025-12-07 🥇 1/16 100% 2.90 CRR Discard League Autumn Season 2025 Kirov
2 209 2025-08-03 35/44 86% 3.00 RR Two roosters and Chuckles Kirov
3 419 2025-01-07 19/32 29% 3.10 RR Moscow Open Riichi Marathon Moscow
4 158 2025-01-04 17/20 29% 1.50 CRR Dirty Riichi Kirov
5 267 2022-08-20 12/16 0% 1.20 CRR I still can declare riichi Kirov
6 667 2022-07-03 6/16 0% 1.20 CRR Vyatka rooster Kirov
7 400 2021-11-06 34/56 0% 3.30 RR Kirov Tournament Kirov