Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).

122 place (143.94).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (709.09 * 3.30 * 0.14 + 978.72 * 3.10 * 0.14 + 144.14 * 4.05 * 0.57 + 0 + 0) / (3.30 * 0.14 + 3.10 * 0.14 + 4.05 * 0.57 + 1 + 1) = 210.6668349675734

p2 = (978.72 * 3.10 * 0.14 + 709.09 * 3.30 * 0.14 + 144.14 * 4.05 * 0.57) / max_coefficients = 77.22285979485662

score = 210.6668349675734 * 0.5 + 77.22285979485662 * 0.5 = 143.94484738121503

Rating changes

Show

all results
Date Place Points Reason
2023-10-19 113 -> 122 189.11 -> 143.94

Agari team tournament: 29% -> 14%
2023-10-12 113 183.97 -> 189.11

Moscow Riichi 2022: 71% -> 57%
2023-09-28 116 -> 113 183.97
2023-09-06 112 -> 116 211.00 -> 183.97

Kirov Tournament: 29% -> 14%
2023-09-03 97 -> 112 221.25 -> 211.00
2023-09-01 151 -> 97 30.74 -> 221.25
2021-02-01 231 -> 151 64.96 -> 30.74
2020-02-01 231 64.96

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 144 2022-06-12 96/112 57% 4.05 RR Moscow Riichi 2022 Moscow
2 979 2021-12-19 🥈 2/48 14% 3.10 RR Agari team tournament Moscow
3 709 2021-11-06 17/56 14% 3.30 RR Kirov Tournament Kirov
4 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
5 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019 Perm