Mamin Vladislav
From Saint Petersburg, Russia
EMA: 15990329
Common russian riichi rating (CRR)
Rating date Aug. 20, 2024 (latest changes Aug. 20, 2024).
166 place (148.87).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (333.33 * 1.80 * 0.14 + 521.74 * 2.10 * 1 + 0 + 0 + 0) / (1.80 * 0.14 + 2.10 * 1 + 1 + 1 + 1) = 220.522957802741
p2 = (521.74 * 2.10 * 1 + 333.33 * 1.80 * 0.14) / max_coefficients = 77.21503267973857
score = 220.522957802741 * 0.5 + 77.21503267973857 * 0.5 = 148.8689952412398
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-11 | 167 -> 166 | 148.46 -> 148.87 | |
| 2024-08-04 | 163 -> 167 | 150.00 -> 148.46 | |
| 2024-07-14 | 159 -> 163 | 150.00 | |
| 2024-07-09 | 162 -> 159 | 150.00 | |
| 2024-07-06 | 161 -> 162 | 150.00 | |
| 2024-07-03 | 162 -> 161 | 150.00 | |
| 2024-06-27 | 162 | 155.47 -> 150.00 |
Sun tournament: 29% -> 14% |
| 2024-06-11 | 173 -> 162 | 153.98 -> 155.47 | |
| 2024-06-09 | 165 -> 173 | 153.98 | |
| 2024-05-25 | 160 -> 165 | 153.98 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 522 |
|
23/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 333 |
|
27/40 | 14% | 1.80 | CRR | Sun tournament |
| 3 | 744 |
|
11/40 | 0% | 2.90 | RR | Summer Cup 2019 |
| 4 | 903 |
|
4/32 | 0% | 2.70 | RR | East Cup 2018 |
| 5 | 841 |
|
11/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
| 6 | 641 |
|
15/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
| 7 | 400 |
|
22/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
| 8 | 581 |
|
14/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |
| 9 | 290 |
|
23/32 | 0% | 1.60 | RR | Tournament of 4 winds. East cup 2016 |
| 10 | 556 |
|
45/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
| 11 | 667 |
|
6/16 | 0% | 2.00 | RR | Two-day tournament of Saint Petersburg riichi mahjong league |