Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

Rating date May 20, 2023 (latest changes May 20, 2023).

67 place (310.26).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.45 * 0.57) = 12.72138

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 = 261.00548839827127

score = 359.51176518993645 * 0.5 + 261.00548839827127 * 0.5 = 310.25862679410386

Rating changes

Show

all results
Date Place Points Reason
2023-05-20 68 -> 67 305.33 -> 310.26
2023-05-06 64 -> 68 326.45 -> 305.33

Kirov Tournament: 57% -> 43%
2023-04-19 61 -> 64 353.20 -> 326.45

Agari team tournament: 71% -> 57%
2023-03-28 62 -> 61 350.43 -> 353.20
2023-03-20 63 -> 62 345.19 -> 350.43
2023-03-06 59 -> 63 363.75 -> 345.19

Kirov Tournament: 71% -> 57%
2023-02-19 53 -> 59 387.95 -> 363.75

Agari team tournament: 86% -> 71%
2023-01-28 54 -> 53 384.52 -> 387.95
2023-01-06 51 -> 54 401.40 -> 384.52

Kirov Tournament: 86% -> 71%
2022-12-19 45 -> 51 424.07 -> 401.40

Agari team tournament: 100% -> 86%

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 57% 3.10 RR Agari team tournament
3 709 2021-11-06 17/56 43% 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