Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Internal rating (RR)
Rating date July 6, 2023 (latest changes July 6, 2023).
94 place (248.15).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (978.72 * 3.10 * 0.43 + 709.09 * 3.30 * 0.29 + 144.14 * 4.05 * 0.86 + 0 + 0) / (3.10 * 0.43 + 3.30 * 0.29 + 4.05 * 0.86 + 1 + 1) = 318.91743539903587
p2 = (978.72 * 3.10 * 0.43 + 709.09 * 3.30 * 0.29 + 144.14 * 4.05 * 0.86) / max_coefficients = 177.3748940921846
score = 318.91743539903587 * 0.5 + 177.3748940921846 * 0.5 = 248.14616474561024
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-06 | 88 -> 94 | 271.36 -> 248.15 |
Kirov Tournament: 43% -> 29% |
2023-06-19 | 151 -> 88 | 30.74 -> 271.36 |
Agari team tournament: 57% -> 43% |
2021-02-01 | 231 -> 151 | 64.96 -> 30.74 | |
2020-02-01 | 231 | 64.96 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 144 |
|
96/112 | 86% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
2 | 979 |
|
2/48 | 43% | 3.10 | RR | Agari team tournament | Moscow |
3 | 709 |
|
17/56 | 29% | 3.30 | RR | Kirov Tournament | Kirov |
4 | 0 |
|
36/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow |
5 | 193 |
|
68/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm |