Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Internal rating (RR)

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

113 place (94.70).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (978.72 * 3.10 * 0.14 + 144.14 * 4.05 * 0.57 + 0 + 0 + 0) / (3.10 * 0.14 + 4.05 * 0.57 + 1 + 1 + 1) = 133.24799032856478

p2 = (978.72 * 3.10 * 0.14 + 144.14 * 4.05 * 0.57) / max_coefficients = 56.142459120652155

score = 133.24799032856478 * 0.5 + 56.142459120652155 * 0.5 = 94.69522472460847

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 123 -> 113 94.70
2023-11-20 125 -> 123 94.70
2023-11-06 148 -> 125 30.74 -> 94.70

Kirov Tournament: 14% -> 0%
2021-02-01 228 -> 148 64.96 -> 30.74
2020-02-01 228 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 0% 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