Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

Rating date July 6, 2024 (latest changes July 6, 2024).

113 place (296.41).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (410.26 * 1.80 * 0.14 + 96.77 * 1.80 * 0.57 + 1000 * 1.40 * 0.71 + 485.98 * 4 * 1 + 21.74 * 2.10 * 1) / (1.80 * 0.14 + 1.80 * 0.57 + 1.40 * 0.71 + 4 * 1 + 2.10 * 1) = 380.96248879052115

p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 0.71 + 410.26 * 1.80 * 0.14 + 96.77 * 1.80 * 0.57) / max_coefficients = 211.8530354124444

score = 380.96248879052115 * 0.5 + 211.8530354124444 * 0.5 = 296.4077621014828

Rating changes

Show

Date Place Points Reason
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
2024-06-09 107 -> 112 306.64
2024-05-12 86 -> 107 320.66 -> 306.64
2024-05-06 88 -> 86 320.66
2024-04-27 86 -> 88 324.83 -> 320.66

Sun tournament: 43% -> 29%

2024-04-25 88 -> 86 321.84 -> 324.83

Earth cup: 86% -> 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 71% 1.40 CRR Fire cup 2023
4 97 2023-02-25 29/32 57% 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