Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

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Internal rating (RR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

39 place (593.89).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (677.42 * 2.70 * 0.14 + 589.74 * 2.90 * 0.86 + 692.31 * 2.90 * 1 + 571.43 * 3.45 * 1 + 720.72 * 4.05 * 1) / (2.70 * 0.14 + 2.90 * 0.86 + 2.90 * 1 + 3.45 * 1 + 4.05 * 1) = 649.9131215800571

p2 = (720.72 * 4.05 * 1 + 692.31 * 2.90 * 1 + 571.43 * 3.45 * 1 + 589.74 * 2.90 * 0.86) / max_coefficients = 537.871382636656

score = 649.9131215800571 * 0.5 + 537.871382636656 * 0.5 = 593.8922521083566

Rating changes

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all results
Date Place Points Reason
2020-02-01 39 593.89

Tournaments

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