Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).
100 place (222.78).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995
p1 = (400 * 3.30 * 0.71 + 666.67 * 1.20 * 1 + 266.67 * 1.20 * 1 + 0 + 0) / (3.30 * 0.71 + 1.20 * 1 + 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 = 140.26522753288486
score = 305.286665019039 * 0.5 + 140.26522753288486 * 0.5 = 222.77594627596193
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-01-06 | 100 | 232.27 -> 222.78 |
Kirov Tournament: 86% -> 71% |
2023-01-03 | 103 -> 100 | 232.27 | |
2022-12-19 | 103 | 231.53 -> 232.27 | |
2022-12-18 | 101 -> 103 | 231.53 | |
2022-12-03 | 101 | 231.53 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 267 |
|
12/16 | 100% | 1.20 | CRR | I still can declare riichi |
2 | 667 |
|
6/16 | 100% | 1.20 | CRR | Vyatka rooster |
3 | 400 |
|
34/56 | 71% | 3.30 | RR | Kirov Tournament |