Sotnikova Anna

From Kirov, Russia

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Common russian riichi rating (CRR)

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

164 place (138.54).

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 * 0.57 + 266.67 * 1.20 * 0.71 + 0 + 0) / (3.30 * 0.14 + 1.20 * 0.57 + 1.20 * 0.71 + 1 + 1) = 217.79788312603847

p2 = (666.67 * 1.20 * 0.57 + 266.67 * 1.20 * 0.71 + 400 * 3.30 * 0.14) / max_coefficients = 59.276610169491526

score = 217.79788312603847 * 0.5 + 59.276610169491526 * 0.5 = 138.537246647765

Rating changes

Show

all results
Date Place Points Reason
2023-11-03 159 -> 164 151.61 -> 138.54

Vyatka rooster: 71% -> 57%
2023-10-22 157 -> 159 151.61
2023-10-20 157 153.75 -> 151.61

I still can declare riichi: 86% -> 71%
2023-10-19 159 -> 157 153.75
2023-10-12 160 -> 159 153.53 -> 153.75
2023-09-28 161 -> 160 153.53
2023-09-06 158 -> 161 167.82 -> 153.53

Kirov Tournament: 29% -> 14%
2023-09-05 157 -> 158 167.82
2023-09-03 135 -> 157 182.71 -> 167.82

Vyatka rooster: 86% -> 71%
2023-08-27 131 -> 135 182.71

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 267 2022-08-20 12/16 71% 1.20 CRR I still can declare riichi
2 667 2022-07-03 6/16 57% 1.20 CRR Vyatka rooster
3 400 2021-11-06 34/56 14% 3.30 RR Kirov Tournament