Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

Rating date May 28, 2023 (latest changes May 28, 2023).

65 place (312.34).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

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 = 265.17423385103416

score = 359.51176518993645 * 0.5 + 265.17423385103416 * 0.5 = 312.3429995204853

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 66 -> 65 310.26 -> 312.34
2023-05-20 67 -> 66 305.33 -> 310.26
2023-05-06 63 -> 67 326.45 -> 305.33

Kirov Tournament: 57% -> 43%
2023-05-05 151 -> 63 30.74 -> 326.45
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 2022-06-12 96/112 100% 4.05 RR Moscow Riichi 2022 Moscow
2 979 2021-12-19 2/48 57% 3.10 RR Agari team tournament Moscow
3 709 2021-11-06 17/56 43% 3.30 RR Kirov Tournament Kirov
4 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
5 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019 Perm