Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date April 22, 2023 (latest changes April 22, 2023).
106 place (247.49).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (410.26 * 1.80 * 1 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 0 + 0) / (1.80 * 1 + 1.80 * 1 + 1.40 * 1 + 1 + 1) = 330.37857142857143
p2 = (1000 * 1.40 * 1 + 410.26 * 1.80 * 1 + 96.77 * 1.80 * 1) / max_coefficients = 164.60318081687706
score = 330.37857142857143 * 0.5 + 164.60318081687706 * 0.5 = 247.49087612272425
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-04-22 | 135 -> 106 | 101.62 -> 247.49 |
Fire cup 2023: 0% -> 100% |
2023-03-20 | 135 | 100.50 -> 101.62 | |
2023-02-25 | 43 -> 135 | 465.75 -> 100.50 |
Earth cup: 0% -> 100% |
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 | 1000 |
|
1/24 | 100% | 1.40 | CRR | Fire cup 2023 |
2 | 97 |
|
29/32 | 100% | 1.80 | CRR | Earth cup |
3 | 410 |
|
24/40 | 100% | 1.80 | CRR | Sun tournament |
4 | 721 |
|
32/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
5 | 571 |
|
28/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
6 | 692 |
|
13/40 | 0% | 2.90 | RR | Summer Cup 2019 |
7 | 590 |
|
17/40 | 0% | 2.90 | RR | North Cup 2018 |
8 | 677 |
|
11/32 | 0% | 2.70 | RR | East Cup 2018 |
9 | 108 |
|
75/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
10 | 1000 |
|
1/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
11 | 1000 |
|
1/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
12 | 977 |
|
2/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
13 | 533 |
|
8/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |
14 | 162 |
|
84/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
15 | 684 |
|
7/20 | 0% | 1.30 | RR | Tournament of Saint Petersburg riichi mahjong league |