Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).

85 place (353.75).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (410.26 * 1.80 * 0.86 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 485.98 * 4 * 1 + 0) / (1.80 * 0.86 + 1.80 * 1 + 1.40 * 1 + 4 * 1 + 1) = 426.0652503700176

p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.86 + 96.77 * 1.80 * 1) / max_coefficients = 281.42779661016954

score = 426.0652503700176 * 0.5 + 281.42779661016954 * 0.5 = 353.7465234900936

Rating changes

Show

all results
Date Place Points Reason
2023-10-12 89 -> 85 352.87 -> 353.75
2023-09-28 88 -> 89 352.87
2023-09-20 89 -> 88 352.87
2023-09-06 90 -> 89 352.87
2023-09-03 116 -> 90 244.56 -> 352.87

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 109 -> 116 249.95 -> 244.56

Sun tournament: 100% -> 86%
2023-08-26 106 -> 109 249.95
2023-08-19 110 -> 106 249.95
2023-08-12 111 -> 110 246.50 -> 249.95
2023-07-28 113 -> 111 246.50

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 486 2023-09-03 56/108 100% 4.00 RR SPB Riichi Open 2023
2 1000 2023-04-22 1/24 100% 1.40 CRR Fire cup 2023
3 97 2023-02-25 29/32 100% 1.80 CRR Earth cup
4 410 2022-08-27 24/40 86% 1.80 CRR Sun tournament
5 721 2019-12-15 32/112 0% 4.05 EMA VIII Russian Riichi Championship
6 571 2019-11-24 28/64 0% 3.45 EMA Saint Petersburg Open 2019
7 692 2019-06-02 13/40 0% 2.90 RR Summer Cup 2019
8 590 2018-12-23 17/40 0% 2.90 RR North Cup 2018
9 677 2018-03-04 11/32 0% 2.70 RR East Cup 2018
10 108 2017-12-11 75/84 0% 3.40 EMA VI Russian Riichi Championship 2017
11 1000 2017-10-01 1/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
12 1000 2017-06-03 1/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
13 977 2017-03-18 2/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
14 533 2016-04-17 8/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
15 162 2016-03-13 84/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
16 684 2015-11-15 7/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league