Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Common russian riichi rating (CRR)

Rating date June 12, 2023 (latest changes June 12, 2023).

96 place (300.76).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (709.09 * 3.30 * 0.43 + 978.72 * 3.10 * 0.57 + 144.14 * 4.05 * 0.86 + 0 + 0) / (3.30 * 0.43 + 3.10 * 0.57 + 4.05 * 0.86 + 1 + 1) = 373.9100551867137

p2 = (978.72 * 3.10 * 0.57 + 709.09 * 3.30 * 0.43 + 144.14 * 4.05 * 0.86) / max_coefficients = 227.6121200273816

score = 373.9100551867137 * 0.5 + 227.6121200273816 * 0.5 = 300.76108760704767

Rating changes

Show

all results
Date Place Points Reason
2023-06-12 99 -> 96 291.93 -> 300.76

Moscow Riichi 2022: 100% -> 86%
2023-06-11 81 -> 99 302.28 -> 291.93
2023-05-28 83 -> 81 302.28
2023-05-20 85 -> 83 297.92 -> 302.28
2023-05-06 78 -> 85 318.30 -> 297.92

Kirov Tournament: 57% -> 43%
2023-05-01 77 -> 78 318.30
2023-04-22 76 -> 77 318.30
2023-04-19 69 -> 76 346.87 -> 318.30

Agari team tournament: 71% -> 57%
2023-03-28 70 -> 69 346.87
2023-03-20 70 341.87 -> 346.87

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 144 2022-06-12 96/112 86% 4.05 RR Moscow Riichi 2022
2 979 2021-12-19 2/48 57% 3.10 RR Agari team tournament
3 709 2021-11-06 17/56 43% 3.30 RR Kirov Tournament
4 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
5 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019