Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Common russian riichi rating (CRR)

Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).

113 place (355.48).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998

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 = 295.4770186335404

score = 415.47423580786034 * 0.5 + 295.4770186335404 * 0.5 = 355.4756272207004

Rating changes

Show

all results
Date Place Points Reason
2024-09-01 72 -> 113 430.33 -> 355.48

SPB Riichi Open 2024: 0% -> 100%
2024-05-19 69 -> 72 430.33
2024-05-12 180 -> 69 90.01 -> 430.33

X Russian Championship: 0% -> 100%
2023-12-12 179 -> 180 93.54 -> 90.01

Moscow Riichi 2022: 57% -> 43%
2023-11-28 188 -> 179 93.54
2023-11-26 180 -> 188 93.73 -> 93.54
2023-11-20 181 -> 180 93.73
2023-11-06 167 -> 181 142.67 -> 93.73

Kirov Tournament: 14% -> 0%
2023-11-05 162 -> 167 142.67
2023-11-03 164 -> 162 142.67

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