Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date April 17, 2023 (latest changes April 17, 2023).
109 place (215.79).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (400 * 3.30 * 0.57 + 266.67 * 1.20 * 1 + 666.67 * 1.20 * 1 + 0 + 0) / (3.30 * 0.57 + 1.20 * 1 + 1.20 * 1 + 1 + 1) = 298.1806090727725
p2 = (666.67 * 1.20 * 1 + 400 * 3.30 * 0.57 + 266.67 * 1.20 * 1) / max_coefficients = 133.40000071175137
score = 298.1806090727725 * 0.5 + 133.40000071175137 * 0.5 = 215.79030489226193
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-03-31 | 109 | 215.79 |
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 | 57% | 3.30 | RR | Kirov Tournament |