Tkachenko Ivan

From Sarov, Russia

EMA: 15990417

Player page

Common russian riichi rating (CRR)

Rating date Oct. 29, 2023 (latest changes Oct. 29, 2023).

100 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
2023-10-28 101 -> 100 323.71
2023-10-27 100 -> 101 323.71
2023-10-23 101 -> 100 323.71
2023-10-22 97 -> 101 323.71
2023-10-21 98 -> 97 323.71
2023-10-19 94 -> 98 337.24 -> 323.71

Agari team tournament: 29% -> 14%
2023-10-18 95 -> 94 337.24
2023-10-17 94 -> 95 337.24
2023-10-13 95 -> 94 337.24
2023-10-12 78 -> 95 368.63 -> 337.24

Moscow Riichi 2022: 71% -> 57%

Tournaments

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