Tkachenko Ivan

From Sarov, Russia

EMA: 15990417

Player page

Common russian riichi rating (CRR)

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

99 place (323.71).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (672.73 * 3.30 * 0.14 + 595.74 * 3.10 * 0.14 + 828.83 * 4.05 * 0.57 + 0 + 0) / (3.30 * 0.14 + 3.10 * 0.14 + 4.05 * 0.57 + 1 + 1) = 477.9745750880233

p2 = (828.83 * 4.05 * 0.57 + 672.73 * 3.30 * 0.14 + 595.74 * 3.10 * 0.14) / max_coefficients = 169.4372881355932

score = 477.9745750880233 * 0.5 + 169.4372881355932 * 0.5 = 323.70593161180824

Rating changes

Show

all results
Date Place Points Reason
2023-10-19 96 -> 99 337.24 -> 323.71

Agari team tournament: 29% -> 14%
2023-10-12 80 -> 96 368.63 -> 337.24

Moscow Riichi 2022: 71% -> 57%
2023-09-28 82 -> 80 368.63
2023-09-20 83 -> 82 368.63
2023-09-09 84 -> 83 368.63
2023-09-06 77 -> 84 384.71 -> 368.63

Kirov Tournament: 29% -> 14%
2023-09-03 57 -> 77 395.25 -> 384.71
2023-08-27 56 -> 57 395.25
2023-08-19 55 -> 56 406.97 -> 395.25

Agari team tournament: 43% -> 29%
2023-08-12 49 -> 55 429.15 -> 406.97

Moscow Riichi 2022: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 829 2022-06-12 20/112 57% 4.05 RR Moscow Riichi 2022
2 596 2021-12-19 20/48 14% 3.10 RR Agari team tournament
3 673 2021-11-06 19/56 14% 3.30 RR Kirov Tournament
4 600 2019-07-21 15/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
5 373 2019-05-04 53/84 0% 4.20 EMA Haru Shanten 2019
6 298 2019-01-13 34/48 0% 3.10 RR Agari team tournament 2019