Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

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

78 place (357.80).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (410.26 * 1.80 * 0.57 + 485.98 * 4 * 1 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 0) / (1.80 * 0.57 + 4 * 1 + 1.80 * 1 + 1.40 * 1 + 1) = 426.94603251658987

p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.57 + 96.77 * 1.80 * 1) / max_coefficients = 288.6492806625026

score = 426.94603251658987 * 0.5 + 288.6492806625026 * 0.5 = 357.79765658954625

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 80 -> 78 351.72 -> 357.80
2023-12-27 80 355.20 -> 351.72

Sun tournament: 71% -> 57%
2023-12-19 81 -> 80 355.20
2023-12-12 84 -> 81 355.20
2023-11-28 89 -> 84 355.20
2023-11-26 85 -> 89 356.20 -> 355.20
2023-11-20 87 -> 85 356.20
2023-11-09 88 -> 87 356.20
2023-11-06 93 -> 88 350.39 -> 356.20
2023-11-05 88 -> 93 350.39

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 57% 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