Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Oct. 22, 2023 (latest changes Oct. 22, 2023).
159 place (151.61).
how we calculated rating score
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 * 0.71 + 0 + 0) / (3.30 * 0.14 + 1.20 * 0.71 + 1.20 * 0.71 + 1 + 1) = 236.18633074447726
p2 = (666.67 * 1.20 * 0.71 + 266.67 * 1.20 * 0.71 + 400 * 3.30 * 0.14) / max_coefficients = 67.0271186440678
score = 236.18633074447726 * 0.5 + 67.0271186440678 * 0.5 = 151.60672469427254
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-08-26 | 130 -> 131 | 182.71 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 267 |
|
12/16 | 71% | 1.20 | CRR | I still can declare riichi |
2 | 667 |
|
6/16 | 71% | 1.20 | CRR | Vyatka rooster |
3 | 400 |
|
34/56 | 14% | 3.30 | RR | Kirov Tournament |