Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

Rating date Aug. 19, 2023 (latest changes Aug. 19, 2023).

97 place (221.25).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815

p1 = (709.09 * 3.30 * 0.29 + 144.14 * 4.05 * 0.71 + 978.72 * 3.10 * 0.29 + 0 + 0) / (3.30 * 0.29 + 4.05 * 0.71 + 3.10 * 0.29 + 1 + 1) = 290.47095134269

p2 = (978.72 * 3.10 * 0.29 + 709.09 * 3.30 * 0.29 + 144.14 * 4.05 * 0.71) / max_coefficients = 152.02040985562743

score = 290.47095134269 * 0.5 + 152.02040985562743 * 0.5 = 221.24568059915873

Rating changes

Show

all results
Date Place Points Reason
2023-08-19 87 -> 97 259.40 -> 221.25

Agari team tournament: 43% -> 29%
2023-08-12 92 -> 87 251.45 -> 259.40

Moscow Riichi 2022: 86% -> 71%
2023-07-28 94 -> 92 251.45
2023-07-20 94 248.15 -> 251.45
2023-07-06 88 -> 94 271.36 -> 248.15

Kirov Tournament: 43% -> 29%
2023-06-19 151 -> 88 30.74 -> 271.36

Agari team tournament: 57% -> 43%
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 71% 4.05 RR Moscow Riichi 2022 Moscow
2 979 2021-12-19 2/48 29% 3.10 RR Agari team tournament Moscow
3 709 2021-11-06 17/56 29% 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