Sotnikova Anna

From Kirov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

157 place (167.82).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (666.67 * 1.20 * 0.71 + 400 * 3.30 * 0.29 + 266.67 * 1.20 * 0.86 + 0 + 0) / (1.20 * 0.71 + 3.30 * 0.29 + 1.20 * 0.86 + 1 + 1) = 253.25308740413666

p2 = (666.67 * 1.20 * 0.71 + 400 * 3.30 * 0.29 + 266.67 * 1.20 * 0.86) / max_coefficients = 82.38476067537947

score = 253.25308740413666 * 0.5 + 82.38476067537947 * 0.5 = 167.81892403975806

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 135 -> 157 182.71 -> 167.82

Vyatka rooster: 86% -> 71%
2023-08-27 131 -> 135 182.71
2023-08-26 130 -> 131 182.71
2023-08-20 130 184.38 -> 182.71

I still can declare riichi: 100% -> 86%
2023-08-12 130 182.32 -> 184.38
2023-07-28 131 -> 130 182.32
2023-07-20 132 -> 131 182.32
2023-07-06 131 -> 132 194.49 -> 182.32

Kirov Tournament: 43% -> 29%
2023-07-03 130 -> 131 204.23 -> 194.49

Vyatka rooster: 100% -> 86%
2023-06-19 131 -> 130 204.23

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 267 2022-08-20 12/16 86% 1.20 CRR I still can declare riichi
2 667 2022-07-03 6/16 71% 1.20 CRR Vyatka rooster
3 400 2021-11-06 34/56 29% 3.30 RR Kirov Tournament