Mamin Vladislav
From Saint Petersburg, Russia
EMA: 15990329
Common russian riichi rating (CRR)
Rating date Sept. 14, 2024 (latest changes Sept. 14, 2024).
170 place (135.75).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
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 = 99.2658612606579
score = 172.22793296089387 * 0.5 + 99.2658612606579 * 0.5 = 135.74689711077588
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 173 -> 170 | 135.75 | |
| 2024-09-03 | 173 | 133.98 -> 135.75 | |
| 2024-09-01 | 165 -> 173 | 148.87 -> 133.98 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-25 | 166 -> 165 | 148.87 | |
| 2024-08-22 | 167 -> 166 | 148.87 | |
| 2024-08-11 | 168 -> 167 | 148.46 -> 148.87 | |
| 2024-08-04 | 164 -> 168 | 150.00 -> 148.46 | |
| 2024-07-14 | 159 -> 164 | 150.00 | |
| 2024-07-09 | 162 -> 159 | 150.00 | |
| 2024-07-06 | 161 -> 162 | 150.00 |