Mamin Vladislav
From Saint Petersburg, Russia
EMA: 15990329
Common russian riichi rating (CRR)
Rating date Feb. 11, 2025 (latest changes Feb. 11, 2025).
206 place (134.74).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (521.74 * 2.10 * 1 + 115.79 * 3.85 * 1 + 0 + 0 + 0) / (2.10 * 1 + 3.85 * 1 + 1 + 1 + 1) = 172.22793296089387
p2 = (521.74 * 2.10 * 1 + 115.79 * 3.85 * 1) / max_coefficients = 97.25173501577288
score = 172.22793296089387 * 0.5 + 97.25173501577288 * 0.5 = 134.73983398833337
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-02 | 201 -> 206 | 134.74 | |
| 2025-01-26 | 192 -> 201 | 134.74 | |
| 2025-01-14 | 194 -> 192 | 134.74 | |
| 2025-01-07 | 189 -> 194 | 134.74 | |
| 2025-01-04 | 188 -> 189 | 134.74 | |
| 2025-01-03 | 189 -> 188 | 134.74 | |
| 2024-12-29 | 188 -> 189 | 134.74 | |
| 2024-11-14 | 190 -> 188 | 134.74 | |
| 2024-11-05 | 192 -> 190 | 134.74 | |
| 2024-11-04 | 188 -> 192 | 134.74 |