Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Common russian riichi rating (CRR)
Rating date May 20, 2023 (latest changes May 20, 2023).
83 place (302.28).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
p1 = (709.09 * 3.30 * 0.43 + 978.72 * 3.10 * 0.57 + 144.14 * 4.05 * 1 + 0 + 0) / (3.30 * 0.43 + 3.10 * 0.57 + 4.05 * 1 + 1 + 1) = 359.51176518993645
p2 = (978.72 * 3.10 * 0.57 + 709.09 * 3.30 * 0.43 + 144.14 * 4.05 * 1) / max_coefficients = 245.043376223704
score = 359.51176518993645 * 0.5 + 245.043376223704 * 0.5 = 302.27757070682026
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-20 | 85 -> 83 | 297.92 -> 302.28 | |
2023-05-06 | 78 -> 85 | 318.30 -> 297.92 |
Kirov Tournament: 57% -> 43% |
2023-05-01 | 77 -> 78 | 318.30 | |
2023-04-22 | 76 -> 77 | 318.30 | |
2023-04-19 | 69 -> 76 | 346.87 -> 318.30 |
Agari team tournament: 71% -> 57% |
2023-03-28 | 70 -> 69 | 346.87 | |
2023-03-20 | 70 | 341.87 -> 346.87 | |
2023-03-06 | 66 -> 70 | 360.16 -> 341.87 |
Kirov Tournament: 71% -> 57% |
2023-02-25 | 64 -> 66 | 360.16 | |
2023-02-19 | 60 -> 64 | 386.30 -> 360.16 |
Agari team tournament: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 144 |
|
96/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 979 |
|
2/48 | 57% | 3.10 | RR | Agari team tournament |
3 | 709 |
|
17/56 | 43% | 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 |