Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
43 place (465.75).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (692.31 * 2.90 * 0.43 + 571.43 * 3.45 * 0.71 + 720.72 * 4.05 * 0.86 + 0 + 0) / (2.90 * 0.43 + 3.45 * 0.71 + 4.05 * 0.86 + 1 + 1) = 519.7455365946398
p2 = (720.72 * 4.05 * 0.86 + 571.43 * 3.45 * 0.71 + 692.31 * 2.90 * 0.43) / max_coefficients = 411.75955244615216
score = 519.7455365946398 * 0.5 + 411.75955244615216 * 0.5 = 465.752544520396
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 41 -> 43 | 593.89 -> 465.75 | |
2020-02-01 | 41 | 593.89 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 721 |
|
32/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship |
2 | 571 |
|
28/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 |
3 | 692 |
|
13/40 | 43% | 2.90 | RR | Summer Cup 2019 |
4 | 590 |
|
17/40 | 0% | 2.90 | RR | North Cup 2018 |
5 | 677 |
|
11/32 | 0% | 2.70 | RR | East Cup 2018 |
6 | 108 |
|
75/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
7 | 1000 |
|
1/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
8 | 1000 |
|
1/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
9 | 977 |
|
2/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
10 | 533 |
|
8/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |
11 | 162 |
|
84/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
12 | 684 |
|
7/20 | 0% | 1.30 | RR | Tournament of Saint Petersburg riichi mahjong league |