Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date March 3, 2024 (latest changes March 3, 2024).
174 place (60.80).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
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 = 26.791823625683698
score = 94.81328231133789 * 0.5 + 26.791823625683698 * 0.5 = 60.802552968510795
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-03 | 169 -> 174 | 77.16 -> 60.80 |
Vyatka rooster: 43% -> 29% |
| 2024-02-27 | 170 -> 169 | 77.16 | |
| 2024-02-25 | 169 -> 170 | 77.16 | |
| 2024-02-20 | 168 -> 169 | 81.84 -> 77.16 |
I still can declare riichi: 57% -> 43% |
| 2024-01-20 | 169 -> 168 | 81.84 | |
| 2024-01-14 | 170 -> 169 | 81.84 | |
| 2024-01-06 | 170 | 81.03 -> 81.84 | |
| 2024-01-05 | 171 -> 170 | 81.03 | |
| 2024-01-03 | 168 -> 171 | 95.66 -> 81.03 |
Vyatka rooster: 57% -> 43% |
| 2023-12-27 | 169 -> 168 | 95.66 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 267 |
|
12/16 | 43% | 1.20 | CRR | I still can declare riichi |
| 2 | 667 |
|
6/16 | 29% | 1.20 | CRR | Vyatka rooster |
| 3 | 400 |
|
34/56 | 0% | 3.30 | RR | Kirov Tournament |