Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Online rating
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
137 place (406.16).
how we calculated rating score
max_coefficients = (3.71 * 1 + 3.70 * 1 + 3.69 * 1) = 11.1
p1 = (634.15 * 3.06 * 1 + 188.81 * 3.71 * 1 + 575.54 * 3.70 * 1 + 0 + 0) / (3.06 * 1 + 3.71 * 1 + 3.70 * 1 + 1 + 1) = 382.55653568564554
p2 = (575.54 * 3.70 * 1 + 634.15 * 3.06 * 1 + 188.81 * 3.71 * 1) / max_coefficients = 429.7729729729729
score = 382.55653568564554 * 0.5 + 429.7729729729729 * 0.5 = 406.16475432930923
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 137 | 406.16 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 634 |
|
46/124 | 100% | 3.06 | ONLINE | Be cool stay home |
| 2 | 576 |
|
60/140 | 100% | 3.70 | ONLINE | Corona go away |
| 3 | 189 |
|
117/144 | 100% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |