Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Internal rating (RR)
Rating date April 12, 2024 (latest changes April 12, 2024).
98 place (184.68).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (485.98 * 4 * 1 + 21.74 * 2.10 * 1 + 0 + 0 + 0) / (4 * 1 + 2.10 * 1 + 1 + 1 + 1) = 218.63516483516486
p2 = (485.98 * 4 * 1 + 21.74 * 2.10 * 1) / max_coefficients = 150.72712782237414
score = 218.63516483516486 * 0.5 + 150.72712782237414 * 0.5 = 184.6811463287695
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-12 | 99 -> 98 | 184.68 | |
| 2024-03-30 | 40 -> 99 | 465.75 -> 184.68 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2021-02-01 | 39 -> 40 | 593.89 -> 465.75 | |
| 2020-02-01 | 39 | 593.89 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 22 |
|
46/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 486 |
|
56/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 721 |
|
32/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 4 | 571 |
|
28/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 5 | 692 |
|
13/40 | 0% | 2.90 | RR | Summer Cup 2019 |
| 6 | 590 |
|
17/40 | 0% | 2.90 | RR | North Cup 2018 |
| 7 | 677 |
|
11/32 | 0% | 2.70 | RR | East Cup 2018 |
| 8 | 108 |
|
75/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 9 | 1000 |
|
1/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
| 10 | 1000 |
|
1/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
| 11 | 977 |
|
2/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
| 12 | 533 |
|
8/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |
| 13 | 162 |
|
84/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
| 14 | 684 |
|
7/20 | 0% | 1.30 | RR | Tournament of Saint Petersburg riichi mahjong league |