Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Jan. 22, 2025 (latest changes Jan. 14, 2025).
189 place (149.59).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (157.89 * 1.50 * 1 + 419.35 * 3.10 * 1 + 0 + 0 + 0) / (1.50 * 1 + 3.10 * 1 + 1 + 1 + 1) = 202.2157894736842
p2 = (419.35 * 3.10 * 1 + 157.89 * 1.50 * 1) / max_coefficients = 96.96151419558359
score = 202.2157894736842 * 0.5 + 96.96151419558359 * 0.5 = 149.58865183463388
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-14 | 191 -> 189 | 149.59 | |
| 2025-01-07 | 197 -> 191 | 29.32 -> 149.59 |
Moscow Open Riichi Marathon: 0% -> 100% |
| 2024-06-27 | 198 -> 197 | 29.32 | |
| 2024-06-20 | 198 | 36.19 -> 29.32 |
I still can declare riichi: 29% -> 14% |
| 2024-06-11 | 209 -> 198 | 35.95 -> 36.19 | |
| 2024-06-09 | 204 -> 209 | 35.95 | |
| 2024-05-25 | 198 -> 204 | 35.95 | |
| 2024-05-19 | 193 -> 198 | 35.95 | |
| 2024-05-12 | 180 -> 193 | 36.78 -> 35.95 | |
| 2024-05-05 | 179 -> 180 | 36.78 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 419 |
|
19/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon |
| 2 | 158 |
|
17/20 | 100% | 1.50 | CRR | Dirty Riichi |
| 3 | 267 |
|
12/16 | 0% | 1.20 | CRR | I still can declare riichi |
| 4 | 667 |
|
6/16 | 0% | 1.20 | CRR | Vyatka rooster |
| 5 | 400 |
|
34/56 | 0% | 3.30 | RR | Kirov Tournament |