Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
181 place (30.74).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (192.77 * 4.20 * 0.29 + 0 * 3.20 * 0.43 + 0 + 0 + 0) / (4.20 * 0.29 + 3.20 * 0.43 + 1 + 1 + 1) = 41.51694528902657
p2 = (192.77 * 4.20 * 0.29 + 0 * 3.20 * 0.43) / max_coefficients = 19.96522420633465
score = 41.51694528902657 * 0.5 + 19.96522420633465 * 0.5 = 30.74108474768061
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | 0 |
|
36/36 | 43% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 2 | 193 |
|
68/84 | 29% | 4.20 | EMA | Haru Shanten 2019 |