Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Internal rating (RR)
Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).
95 place (355.48).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998
p1 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1 + 0 + 0 + 0) / (4.60 * 1 + 3.85 * 1 + 1 + 1 + 1) = 415.47423580786034
p2 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1) / max_coefficients = 295.4770186335404
score = 415.47423580786034 * 0.5 + 295.4770186335404 * 0.5 = 355.4756272207004
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-01 | 56 -> 95 | 430.33 -> 355.48 |
SPB Riichi Open 2024: 0% -> 100% |
2024-06-09 | 55 -> 56 | 430.33 | |
2024-05-12 | 113 -> 55 | 92.14 -> 430.33 |
X Russian Championship: 0% -> 100% |
2023-12-12 | 113 | 94.70 -> 92.14 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 123 -> 113 | 94.70 | |
2023-11-20 | 125 -> 123 | 94.70 | |
2023-11-06 | 122 -> 125 | 143.94 -> 94.70 |
Kirov Tournament: 14% -> 0% |
2023-10-19 | 113 -> 122 | 189.11 -> 143.94 |
Agari team tournament: 29% -> 14% |
2023-10-12 | 113 | 183.97 -> 189.11 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 116 -> 113 | 183.97 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 63 |
|
90/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 981 |
|
3/108 | 100% | 4.60 | RR | X Russian Championship |
3 | 144 |
|
96/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
4 | 979 |
|
2/48 | 0% | 3.10 | RR | Agari team tournament |
5 | 709 |
|
17/56 | 0% | 3.30 | RR | Kirov Tournament |
6 | 0 |
|
36/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
7 | 193 |
|
68/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |