Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

Rating date March 9, 2024 (latest changes March 9, 2024).

74 place (364.56).

max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988

p1 = (410.26 * 1.80 * 0.43 + 96.77 * 1.80 * 0.86 + 1000 * 1.40 * 1 + 485.98 * 4 * 1 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 1.40 * 1 + 4 * 1 + 1) = 437.1834211969806

p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.43 + 96.77 * 1.80 * 0.86) / max_coefficients = 291.9360178024626

score = 437.1834211969806 * 0.5 + 291.9360178024626 * 0.5 = 364.5597194997216

Rating changes

Show

all results
Date Place Points Reason
2024-03-06 76 -> 74 358.14 -> 364.56
2024-02-27 76 361.62 -> 358.14

Sun tournament: 57% -> 43%
2024-02-25 74 -> 76 357.80 -> 361.62

Earth cup: 100% -> 86%
2024-02-12 76 -> 74 357.80
2024-01-20 77 -> 76 357.80
2024-01-06 79 -> 77 351.72 -> 357.80
2023-12-27 79 355.20 -> 351.72

Sun tournament: 71% -> 57%
2023-12-19 80 -> 79 355.20
2023-12-12 83 -> 80 355.20
2023-11-28 88 -> 83 355.20

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 86% 1.80 CRR Earth cup
4 410 2022-08-27 24/40 43% 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