Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Dec. 4, 2022 (latest changes Dec. 4, 2022).
101 place (231.53).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (400 * 3.30 * 0.86 + 666.67 * 1.20 * 1 + 266.67 * 1.20 * 1 + 0 + 0) / (3.30 * 0.86 + 1.20 * 1 + 1.20 * 1 + 1 + 1) = 311.460441617336
p2 = (400 * 3.30 * 0.86 + 666.67 * 1.20 * 1 + 266.67 * 1.20 * 1) / max_coefficients = 151.6074074074074
score = 311.460441617336 * 0.5 + 151.6074074074074 * 0.5 = 231.5339245123717
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | 86% | 3.30 | RR | Kirov Tournament |