Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

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

114 place (183.97).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (709.09 * 3.30 * 0.14 + 978.72 * 3.10 * 0.29 + 144.14 * 4.05 * 0.71 + 0 + 0) / (3.30 * 0.14 + 3.10 * 0.29 + 4.05 * 0.71 + 1 + 1) = 258.9087790622793

p2 = (978.72 * 3.10 * 0.29 + 144.14 * 4.05 * 0.71 + 709.09 * 3.30 * 0.14) / max_coefficients = 109.02305914976942

score = 258.9087790622793 * 0.5 + 109.02305914976942 * 0.5 = 183.96591910602436

Rating changes

Show

all results
Date Place Points Reason
2023-09-28 117 -> 114 183.97
2023-09-06 113 -> 117 211.00 -> 183.97

Kirov Tournament: 29% -> 14%
2023-09-03 97 -> 113 221.25 -> 211.00
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 81 -> 88 303.21 -> 271.36

Agari team tournament: 57% -> 43%
2023-06-12 83 -> 81 294.25 -> 303.21

Moscow Riichi 2022: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 144 2022-06-12 96/112 71% 4.05 RR Moscow Riichi 2022
2 979 2021-12-19 2/48 29% 3.10 RR Agari team tournament
3 709 2021-11-06 17/56 14% 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