Kotova Velena

From Izhevsk, Russia

EMA: 15990160

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

60 place (419.38).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (447.76 * 3.50 * 0.57 + 893.33 * 4.20 * 1 + 241.38 * 3.75 * 1 + 0 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 464.66079214052

p2 = (893.33 * 4.20 * 1 + 241.38 * 3.75 * 1 + 447.76 * 3.50 * 0.57) / max_coefficients = 374.0943069471192

score = 464.66079214052 * 0.5 + 374.0943069471192 * 0.5 = 419.3775495438196

Rating changes

Show

Date Place Points Reason
2023-09-03 45 -> 60 435.83 -> 419.38
2023-08-27 44 -> 45 435.83
2023-08-26 45 -> 44 435.83
2023-08-12 51 -> 45 427.55 -> 435.83
2023-07-20 48 -> 51 435.09 -> 427.55

Tenpai can't buy happiness: 71% -> 57%

2023-07-06 51 -> 48 435.09
2023-07-03 52 -> 51 435.09
2023-06-12 52 427.15 -> 435.09
2023-06-11 45 -> 52 430.86 -> 427.15

Money can not buy tenpai: 0% -> 100%

2023-05-28 47 -> 45 430.86

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 241 2023-06-11 67/88 100% 3.75 RR Money can not buy tenpai
2 893 2022-11-06 9/76 100% 4.20 RR IX Russian Riichi Championship
3 448 2022-03-20 38/68 57% 3.50 RR Tenpai can't buy happiness
4 182 2019-09-22 10/12 0% 2.50 CRR Reversed Chun
5 133 2018-12-02 14/16 0% 2.30 RR Arkhangelsk Championship
6 452 2018-10-28 18/32 0% 2.70 EMA Tsukimi 2018
7 887 2018-06-11 9/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
8 718 2018-05-01 21/72 0% 3.85 EMA Haru Shanten 2018
9 667 2017-10-22 22/64 0% 3.45 EMA Moscow Riichi Open 2017
10 0 2016-03-13 100/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
11 795 2016-02-22 9/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
12 909 2016-01-31 2/12 0% 1.10 CRR "Haku no Ten" winter riichi mahjong tournament 2016
13 137 2015-10-18 45/52 0% 2.90 EMA Russian Open Riichi Championship 2015
14 67 2015-07-12 15/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015
15 895 2015-04-05 3/20 0% 1.30 RR "Haku no Ten" autumn riichi mahjong tournament 2015
16 364 2015-01-25 8/12 0% 0.90 CRR "Haku no Ten" winter riichi mahjong tournament 2015
17 87 2014-10-18 22/24 0% 1.40 EMA Vologda Riichi Championship 2014
18 175 2014-09-21 53/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
19 333 2014-06-29 11/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014
20 727 2014-03-30 4/12 0% 0.90 CRR "Haku no Ten" spring riichi mahjong tournament 2014
21 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014
22 857 2014-01-12 2/8 0% 0.80 CRR "Haku no Ten" winter riichi mahjong tournament 2014
23 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013
24 714 2013-09-28 3/8 0% 0.80 CRR "Haku no Ten" autumn riichi mahjong tournament 2013
25 818 2013-06-30 3/12 0% 0.90 CRR "Haku no Ten" summer riichi mahjong tournament 2013
26 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013
27 714 2012-12-23 3/8 0% 0.80 CRR "Haku no Ten" winter riichi mahjong tournament 2012