Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

89 place (360.91).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1 + 0 + 0 + 0) / (4.60 * 1 + 3.85 * 1 + 1 + 1 + 1) = 415.47423580786034

p2 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1) / max_coefficients = 306.35352000206075

score = 415.47423580786034 * 0.5 + 306.35352000206075 * 0.5 = 360.91387790496054

Rating changes

Show

all results
Date Place Points Reason
2024-10-11 92 -> 89 360.91
2024-09-06 93 -> 92 360.91
2024-09-03 95 -> 93 355.48 -> 360.91
2024-09-01 56 -> 95 430.33 -> 355.48

SPB Riichi Open 2024: 0% -> 100%
2024-06-09 55 -> 56 430.33
2024-05-12 113 -> 55 92.14 -> 430.33

X Russian Championship: 0% -> 100%
2023-12-12 113 94.70 -> 92.14

Moscow Riichi 2022: 57% -> 43%
2023-11-28 123 -> 113 94.70
2023-11-20 125 -> 123 94.70
2023-11-06 122 -> 125 143.94 -> 94.70

Kirov Tournament: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 63 2024-09-01 90/96 100% 3.85 RR SPB Riichi Open 2024
2 981 2024-05-12 3/108 100% 4.60 RR X Russian Championship
3 144 2022-06-12 96/112 0% 4.05 RR Moscow Riichi 2022
4 979 2021-12-19 2/48 0% 3.10 RR Agari team tournament
5 709 2021-11-06 17/56 0% 3.30 RR Kirov Tournament
6 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
7 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019