Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Common russian riichi rating (CRR)
Rating date Dec. 3, 2022 (latest changes Dec. 3, 2022).
47 place (424.07).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (709.09 * 3.30 * 0.86 + 978.72 * 3.10 * 1 + 144.14 * 4.05 * 1 + 0 + 0) / (3.30 * 0.86 + 3.10 * 1 + 4.05 * 1 + 1 + 1) = 469.4630264567226
p2 = (978.72 * 3.10 * 1 + 709.09 * 3.30 * 0.86 + 144.14 * 4.05 * 1) / max_coefficients = 378.68215488215486
score = 469.4630264567226 * 0.5 + 378.68215488215486 * 0.5 = 424.07259066943874
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-03 | 181 -> 47 | 30.74 -> 424.07 | |
2021-02-01 | 267 -> 181 | 64.96 -> 30.74 | |
2020-02-01 | 267 | 64.96 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 144 |
|
96/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 979 |
|
2/48 | 100% | 3.10 | RR | Agari team tournament |
3 | 709 |
|
17/56 | 86% | 3.30 | RR | Kirov Tournament |
4 | 0 |
|
36/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
5 | 193 |
|
68/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |