Sotnikova Anna

From Kirov, Russia

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Common russian riichi rating (CRR)

Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).

160 place (153.75).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (400 * 3.30 * 0.14 + 666.67 * 1.20 * 0.71 + 266.67 * 1.20 * 0.86 + 0 + 0) / (3.30 * 0.14 + 1.20 * 0.71 + 1.20 * 0.86 + 1 + 1) = 237.38367089333875

p2 = (666.67 * 1.20 * 0.71 + 266.67 * 1.20 * 0.86 + 400 * 3.30 * 0.14) / max_coefficients = 70.12474576271187

score = 237.38367089333875 * 0.5 + 70.12474576271187 * 0.5 = 153.7542083280253

Rating changes

Show

all results
Date Place Points Reason
2023-10-12 161 -> 160 153.53 -> 153.75
2023-09-28 162 -> 161 153.53
2023-09-06 159 -> 162 167.82 -> 153.53

Kirov Tournament: 29% -> 14%
2023-09-05 158 -> 159 167.82
2023-09-03 136 -> 158 182.71 -> 167.82

Vyatka rooster: 86% -> 71%
2023-08-27 132 -> 136 182.71
2023-08-26 131 -> 132 182.71
2023-08-20 131 184.38 -> 182.71

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

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 14% 3.30 RR Kirov Tournament