Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

Rating date Oct. 20, 2022 (latest changes Oct. 20, 2022).

30 place (447.59).

max_coefficients = (4.05 * 1 + 3.50 * 1 + 3.45 * 1 + 3.30 * 1) = 14.3

p1 = (709.09 * 3.30 * 1 + 978.72 * 3.10 * 1 + 144.14 * 4.05 * 1 + 0 + 0) / (3.30 * 1 + 3.10 * 1 + 4.05 * 1 + 1 + 1) = 478.5397590361446

p2 = (978.72 * 3.10 * 1 + 709.09 * 3.30 * 1 + 144.14 * 4.05 * 1) / max_coefficients = 416.6307692307692

score = 478.5397590361446 * 0.5 + 416.6307692307692 * 0.5 = 447.5852641334569

Rating changes

Show

all results
Date Place Points Reason
2022-10-14 151 -> 30 30.74 -> 447.59
2021-02-01 230 -> 151 64.96 -> 30.74
2020-02-01 230 64.96

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 144 2022-06-12 96/112 100% 4.05 RR Moscow Riichi 2022
2 979 2021-12-19 2/48 100% 3.10 RR Agari team tournament
3 709 2021-11-06 17/56 100% 3.30 RR Kirov Tournament
4 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
5 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019