Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Common russian riichi rating (CRR)

Rating date Dec. 6, 2022 (latest changes Dec. 6, 2022).

47 place (424.07).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85

p1 = (978.72 * 3.10 * 1 + 709.09 * 3.30 * 0.86 + 144.14 * 4.05 * 1 + 0 + 0) / (3.10 * 1 + 3.30 * 0.86 + 4.05 * 1 + 1 + 1) = 469.4630264567226

p2 = (978.72 * 3.10 * 1 + 709.09 * 3.30 * 0.86 + 144.14 * 4.05 * 1) / max_coefficients = 378.68215488215486

score = 469.4630264567226 * 0.5 + 378.68215488215486 * 0.5 = 424.07259066943874

Rating changes

Show

Date Place Points Reason
2022-12-03 181 -> 47 30.74 -> 424.07
2021-02-01 267 -> 181 64.96 -> 30.74
2020-02-01 267 64.96

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 144 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 86% 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