Kotova Velena

From Izhevsk, Russia

EMA: 15990160

Player page

Common russian riichi rating (CRR)

Rating date March 28, 2023 (latest changes March 28, 2023).

42 place (431.10).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (447.76 * 3.50 * 0.86 + 893.33 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.86 + 4.20 * 1 + 1 + 1 + 1) = 499.53871870664767

p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 0.86) / max_coefficients = 362.6529820603067

score = 499.53871870664767 * 0.5 + 362.6529820603067 * 0.5 = 431.0958503834772

Rating changes

Show

all results
Date Place Points Reason
2023-03-28 45 -> 42 431.10
2023-03-20 43 -> 45 431.35 -> 431.10

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 44 -> 43 431.35
2023-02-25 42 -> 44 431.35
2023-02-19 43 -> 42 431.35
2023-01-28 46 -> 43 429.40 -> 431.35
2022-12-19 48 -> 46 427.66 -> 429.40
2022-12-18 45 -> 48 427.66
2022-11-28 46 -> 45 423.53 -> 427.66
2022-11-06 146 -> 46 318.09 -> 423.53

IX Russian Riichi Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 893 2022-11-06 9/76 100% 4.20 RR IX Russian Riichi Championship
2 448 2022-03-20 38/68 86% 3.50 RR Tenpai can't buy happiness
3 182 2019-09-22 10/12 0% 2.50 CRR Reversed Chun
4 133 2018-12-02 14/16 0% 2.30 RR Arkhangelsk Championship
5 452 2018-10-28 18/32 0% 2.70 EMA Tsukimi 2018
6 887 2018-06-11 9/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
7 718 2018-05-01 21/72 0% 3.85 EMA Haru Shanten 2018
8 667 2017-10-22 22/64 0% 3.45 EMA Moscow Riichi Open 2017
9 0 2016-03-13 100/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
10 795 2016-02-22 9/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
11 909 2016-01-31 2/12 0% 1.10 CRR "Haku no Ten" winter riichi mahjong tournament 2016
12 137 2015-10-18 45/52 0% 2.90 EMA Russian Open Riichi Championship 2015
13 67 2015-07-12 15/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015
14 895 2015-04-05 3/20 0% 1.30 RR "Haku no Ten" autumn riichi mahjong tournament 2015
15 364 2015-01-25 8/12 0% 0.90 CRR "Haku no Ten" winter riichi mahjong tournament 2015
16 87 2014-10-18 22/24 0% 1.40 EMA Vologda Riichi Championship 2014
17 175 2014-09-21 53/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
18 333 2014-06-29 11/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014
19 727 2014-03-30 4/12 0% 0.90 CRR "Haku no Ten" spring riichi mahjong tournament 2014
20 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014
21 857 2014-01-12 2/8 0% 0.80 CRR "Haku no Ten" winter riichi mahjong tournament 2014
22 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013
23 714 2013-09-28 3/8 0% 0.80 CRR "Haku no Ten" autumn riichi mahjong tournament 2013
24 818 2013-06-30 3/12 0% 0.90 CRR "Haku no Ten" summer riichi mahjong tournament 2013
25 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013
26 714 2012-12-23 3/8 0% 0.80 CRR "Haku no Ten" winter riichi mahjong tournament 2012