Mamin Vladislav
From Saint Petersburg, Russia
EMA: 15990329
Internal rating (RR)
Rating date Aug. 9, 2025 (latest changes Aug. 9, 2025).
202 place (101.83).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (521.74 * 2.10 * 0.57 + 115.79 * 3.85 * 1 + 0 + 0 + 0) / (2.10 * 0.57 + 3.85 * 1 + 1 + 1 + 1) = 133.15006074579438
p2 = (521.74 * 2.10 * 0.57 + 115.79 * 3.85 * 1) / max_coefficients = 70.51644736842105
score = 133.15006074579438 * 0.5 + 70.51644736842105 * 0.5 = 101.83325405710772
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-04 | 202 | 101.49 -> 101.83 | |
2025-08-03 | 195 -> 202 | 101.49 | |
2025-07-30 | 193 -> 195 | 113.57 -> 101.49 |
Seihoku spring tournament 2024: 71% -> 57% |
2025-07-13 | 189 -> 193 | 113.57 | |
2025-07-12 | 189 | 112.82 -> 113.57 | |
2025-06-15 | 177 -> 189 | 113.98 -> 112.82 | |
2025-06-11 | 186 -> 177 | 113.98 | |
2025-05-30 | 184 -> 186 | 125.63 -> 113.98 |
Seihoku spring tournament 2024: 86% -> 71% |
2025-05-12 | 184 | 123.74 -> 125.63 | |
2025-05-03 | 180 -> 184 | 123.74 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
---|---|---|---|---|---|---|---|---|---|
1 | 116 |
|
85/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
2 | 522 |
|
23/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
3 | 744 |
|
11/40 | 0% | 2.90 | RR | Summer Cup 2019 | Saint Petersburg | |
4 | 903 |
|
4/32 | 0% | 2.70 | RR | East Cup 2018 | Saint Petersburg | |
5 | 841 |
|
11/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 | Moscow | |
6 | 641 |
|
15/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 | Saint Petersburg | |
7 | 400 |
|
22/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 | Moscow | |
8 | 581 |
|
14/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 | Saint Petersburg | |
9 | 290 |
|
23/32 | 0% | 1.60 | RR | Tournament of 4 winds. East cup 2016 | Saint Petersburg | |
10 | 556 |
|
45/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 | Moscow | |
11 | 667 |
|
6/16 | 0% | 2.00 | RR | Two-day tournament of Saint Petersburg riichi mahjong league | Saint Petersburg |