Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Aug. 27, 2023 (latest changes Aug. 27, 2023).
115 place (244.56).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (410.26 * 1.80 * 0.86 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 0 + 0) / (1.80 * 0.86 + 1.80 * 1 + 1.40 * 1 + 1 + 1) = 327.33234659888063
p2 = (1000 * 1.40 * 1 + 410.26 * 1.80 * 0.86 + 96.77 * 1.80 * 1) / max_coefficients = 161.7784762274045
score = 327.33234659888063 * 0.5 + 161.7784762274045 * 0.5 = 244.55541141314256
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-27 | 108 -> 115 | 249.95 -> 244.56 |
Sun tournament: 100% -> 86% |
2023-08-26 | 105 -> 108 | 249.95 | |
2023-08-19 | 109 -> 105 | 249.95 | |
2023-08-12 | 110 -> 109 | 246.50 -> 249.95 | |
2023-07-28 | 112 -> 110 | 246.50 | |
2023-07-06 | 114 -> 112 | 246.50 | |
2023-07-05 | 115 -> 114 | 246.50 | |
2023-07-03 | 116 -> 115 | 246.50 | |
2023-06-19 | 117 -> 116 | 246.50 | |
2023-06-12 | 117 | 243.32 -> 246.50 |
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 | 86% | 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 |