Sotnikova Anna

From Kirov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

102 place (223.53).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (666.67 * 1.20 * 1 + 400 * 3.30 * 0.71 + 266.67 * 1.20 * 1 + 0 + 0) / (1.20 * 1 + 3.30 * 0.71 + 1.20 * 1 + 1 + 1) = 305.286665019039

p2 = (400 * 3.30 * 0.71 + 666.67 * 1.20 * 1 + 266.67 * 1.20 * 1) / max_coefficients = 141.7786941580756

score = 305.286665019039 * 0.5 + 141.7786941580756 * 0.5 = 223.5326795885573

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 103 -> 102 223.53
2023-01-28 103 222.78 -> 223.53
2023-01-14 101 -> 103 222.78
2023-01-06 101 232.27 -> 222.78

Kirov Tournament: 86% -> 71%
2023-01-03 104 -> 101 232.27
2022-12-19 104 231.53 -> 232.27
2022-12-18 102 -> 104 231.53
2022-11-28 103 -> 102 229.79 -> 231.53
2022-11-06 80 -> 103 243.76 -> 229.79

Kirov Tournament: 100% -> 86%
2022-08-27 76 -> 80 243.76

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 267 2022-08-20 12/16 100% 1.20 CRR I still can declare riichi
2 667 2022-07-03 6/16 100% 1.20 CRR Vyatka rooster
3 400 2021-11-06 34/56 71% 3.30 RR Kirov Tournament