Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date March 9, 2024 (latest changes March 9, 2024).
175 place (61.42).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (666.67 * 1.20 * 0.29 + 266.67 * 1.20 * 0.43 + 0 + 0 + 0) / (1.20 * 0.29 + 1.20 * 0.43 + 1 + 1 + 1) = 94.81328231133789
p2 = (666.67 * 1.20 * 0.29 + 266.67 * 1.20 * 0.43) / max_coefficients = 28.024012481340826
score = 94.81328231133789 * 0.5 + 28.024012481340826 * 0.5 = 61.41864739633935
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 175 | 60.80 -> 61.42 | |
| 2024-03-03 | 170 -> 175 | 77.16 -> 60.80 |
Vyatka rooster: 43% -> 29% |
| 2024-02-27 | 171 -> 170 | 77.16 | |
| 2024-02-25 | 170 -> 171 | 77.16 | |
| 2024-02-20 | 169 -> 170 | 81.84 -> 77.16 |
I still can declare riichi: 57% -> 43% |
| 2024-01-20 | 170 -> 169 | 81.84 | |
| 2024-01-14 | 171 -> 170 | 81.84 | |
| 2024-01-06 | 171 | 81.03 -> 81.84 | |
| 2024-01-05 | 172 -> 171 | 81.03 | |
| 2024-01-03 | 169 -> 172 | 95.66 -> 81.03 |
Vyatka rooster: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 267 |
|
12/16 | 43% | 1.20 | CRR | I still can declare riichi | Kirov | |
| 2 | 667 |
|
6/16 | 29% | 1.20 | CRR | Vyatka rooster | Kirov | |
| 3 | 400 |
|
34/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov |