Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

44 place (465.75).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (692.31 * 2.90 * 0.43 + 571.43 * 3.45 * 0.71 + 720.72 * 4.05 * 0.86 + 0 + 0) / (2.90 * 0.43 + 3.45 * 0.71 + 4.05 * 0.86 + 1 + 1) = 519.7455365946398

p2 = (720.72 * 4.05 * 0.86 + 571.43 * 3.45 * 0.71 + 692.31 * 2.90 * 0.43) / max_coefficients = 411.75955244615216

score = 519.7455365946398 * 0.5 + 411.75955244615216 * 0.5 = 465.752544520396

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 42 -> 44 593.89 -> 465.75
2020-02-01 42 593.89

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 721 2019-12-15 32/112 86% 4.05 EMA VIII Russian Riichi Championship
2 571 2019-11-24 28/64 71% 3.45 EMA Saint Petersburg Open 2019
3 692 2019-06-02 13/40 43% 2.90 RR Summer Cup 2019
4 590 2018-12-23 17/40 0% 2.90 RR North Cup 2018
5 677 2018-03-04 11/32 0% 2.70 RR East Cup 2018
6 108 2017-12-11 75/84 0% 3.40 EMA VI Russian Riichi Championship 2017
7 1000 2017-10-01 1/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
8 1000 2017-06-03 1/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
9 977 2017-03-18 2/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
10 533 2016-04-17 8/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
11 162 2016-03-13 84/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
12 684 2015-11-15 7/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league