Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

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

84 place (399.15).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1 + 325.84 * 3.75 * 1 + 0 + 0) / (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 1 + 1) = 421.06267605633803

p2 = (981.31 * 4.60 * 1 + 325.84 * 3.75 * 1 + 63.16 * 3.85 * 1) / max_coefficients = 377.22965299684546

score = 421.06267605633803 * 0.5 + 377.22965299684546 * 0.5 = 399.14616452659175

Rating changes

Show

Date Place Points Reason
2024-12-11 86 -> 84 399.15
2024-11-06 87 -> 86 399.15
2024-11-03 86 -> 87 399.15
2024-10-13 89 -> 86 360.91 -> 399.15

Moscow Riichi 2024: 0% -> 100%

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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 326 2024-10-13 61/90 100% 3.75 RR Moscow Riichi 2024
2 63 2024-09-01 90/96 100% 3.85 RR SPB Riichi Open 2024
3 981 2024-05-12 3/108 100% 4.60 RR X Russian Championship
4 144 2022-06-12 96/112 0% 4.05 RR Moscow Riichi 2022
5 979 2021-12-19 2/48 0% 3.10 RR Agari team tournament
6 709 2021-11-06 17/56 0% 3.30 RR Kirov Tournament
7 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
8 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019