Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).

126 place (282.84).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (410.26 * 1.80 * 0.14 + 96.77 * 1.80 * 0.43 + 1000 * 1.40 * 0.57 + 485.98 * 4 * 1 + 21.74 * 2.10 * 1) / (1.80 * 0.14 + 1.80 * 0.43 + 1.40 * 0.57 + 4 * 1 + 2.10 * 1) = 374.55635630737095

p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 0.57 + 410.26 * 1.80 * 0.14 + 96.77 * 1.80 * 0.43) / max_coefficients = 191.11633986928106

score = 374.55635630737095 * 0.5 + 191.11633986928106 * 0.5 = 282.836348088326

Rating changes

Show

Date Place Points Reason
2024-08-25 126 279.29 -> 282.84

Earth cup: 57% -> 43%

2024-08-22 123 -> 126 293.39 -> 279.29

Fire cup 2023: 71% -> 57%

2024-08-11 123 292.30 -> 293.39
2024-08-04 119 -> 123 296.41 -> 292.30
2024-07-14 113 -> 119 296.41
2024-07-03 114 -> 113 296.41
2024-06-27 112 -> 114 300.39 -> 296.41

Sun tournament: 29% -> 14%

2024-06-25 114 -> 112 297.11 -> 300.39

Earth cup: 71% -> 57%

2024-06-22 109 -> 114 310.71 -> 297.11

Fire cup 2023: 86% -> 71%

2024-06-11 112 -> 109 306.64 -> 310.71

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 1000 2023-04-22 1/24 57% 1.40 CRR Fire cup 2023
4 97 2023-02-25 29/32 43% 1.80 CRR Earth cup
5 410 2022-08-27 24/40 14% 1.80 CRR Sun tournament
6 721 2019-12-15 32/112 0% 4.05 EMA VIII Russian Riichi Championship
7 571 2019-11-24 28/64 0% 3.45 EMA Saint Petersburg Open 2019
8 692 2019-06-02 13/40 0% 2.90 RR Summer Cup 2019
9 590 2018-12-23 17/40 0% 2.90 RR North Cup 2018
10 677 2018-03-04 11/32 0% 2.70 RR East Cup 2018
11 108 2017-12-11 75/84 0% 3.40 EMA VI Russian Riichi Championship 2017
12 1000 2017-10-01 1/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
13 1000 2017-06-03 1/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
14 977 2017-03-18 2/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
15 533 2016-04-17 8/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
16 162 2016-03-13 84/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
17 684 2015-11-15 7/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league