Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Internal rating (RR)

Rating date April 25, 2024 (latest changes April 12, 2024).

99 place (184.68).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (485.98 * 4 * 1 + 21.74 * 2.10 * 1 + 0 + 0 + 0) / (4 * 1 + 2.10 * 1 + 1 + 1 + 1) = 218.63516483516486

p2 = (485.98 * 4 * 1 + 21.74 * 2.10 * 1) / max_coefficients = 150.72712782237414

score = 218.63516483516486 * 0.5 + 150.72712782237414 * 0.5 = 184.6811463287695

Rating changes

Show

all results
Date Place Points Reason
2024-04-12 100 -> 99 184.68
2024-03-30 41 -> 100 465.75 -> 184.68

Seihoku spring tournament 2024: 0% -> 100%
2021-02-01 40 -> 41 593.89 -> 465.75
2020-02-01 40 593.89

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 22 2024-03-30 46/47 100% 2.10 RR Seihoku spring tournament 2024
2 486 2023-09-03 56/108 100% 4.00 RR SPB Riichi Open 2023
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