Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

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

135 place (101.62).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (96.77 * 1.80 * 1 + 410.26 * 1.80 * 1 + 0 + 0 + 0) / (1.80 * 1 + 1.80 * 1 + 1 + 1 + 1) = 138.28030303030306

p2 = (410.26 * 1.80 * 1 + 96.77 * 1.80 * 1) / max_coefficients = 64.95798887532608

score = 138.28030303030306 * 0.5 + 64.95798887532608 * 0.5 = 101.61914595281456

Rating changes

Show

all results
Date Place Points Reason
2023-03-20 135 100.50 -> 101.62
2023-02-25 43 -> 135 465.75 -> 100.50

Earth cup: 0% -> 100%
2021-02-01 41 -> 43 593.89 -> 465.75
2020-02-01 41 593.89

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 97 2023-02-25 29/32 100% 1.80 CRR Earth cup
2 410 2022-08-27 24/40 100% 1.80 CRR Sun tournament
3 721 2019-12-15 32/112 0% 4.05 EMA VIII Russian Riichi Championship
4 571 2019-11-24 28/64 0% 3.45 EMA Saint Petersburg Open 2019
5 692 2019-06-02 13/40 0% 2.90 RR Summer Cup 2019
6 590 2018-12-23 17/40 0% 2.90 RR North Cup 2018
7 677 2018-03-04 11/32 0% 2.70 RR East Cup 2018
8 108 2017-12-11 75/84 0% 3.40 EMA VI Russian Riichi Championship 2017
9 1000 2017-10-01 1/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
10 1000 2017-06-03 1/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
11 977 2017-03-18 2/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
12 533 2016-04-17 8/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
13 162 2016-03-13 84/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
14 684 2015-11-15 7/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league