Kotova Velena

From Izhevsk, Russia

EMA: 15990160

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

34 place (579.87).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (893.33 * 4.20 * 0.29 + 241.38 * 3.75 * 0.71 + 355.14 * 4.60 * 1 + 921.57 * 3.05 * 1 + 941.18 * 3.05 * 1) / (4.20 * 0.29 + 3.75 * 0.71 + 4.60 * 1 + 3.05 * 1 + 3.05 * 1) = 619.6439773050365

p2 = (941.18 * 3.05 * 1 + 921.57 * 3.05 * 1 + 355.14 * 4.60 * 1 + 893.33 * 4.20 * 0.29) / max_coefficients = 540.1045825712888

score = 619.6439773050365 * 0.5 + 540.1045825712888 * 0.5 = 579.8742799381627

Rating changes

Show

all results
Date Place Points Reason
2024-09-03 35 -> 34 570.29 -> 579.87
2024-09-01 28 -> 35 583.91 -> 570.29
2024-08-11 30 -> 28 574.30 -> 583.91

Money can not buy tenpai: 86% -> 71%
2024-08-04 24 -> 30 585.24 -> 574.30
2024-07-14 23 -> 24 585.24
2024-07-06 20 -> 23 608.76 -> 585.24

IX Russian Riichi Championship: 43% -> 29%
2024-06-11 23 -> 20 592.12 -> 608.76

Money can not buy tenpai: 100% -> 86%
2024-06-09 46 -> 23 474.93 -> 592.12

Agari Summer Tournament 2024: 0% -> 100%
2024-05-12 33 -> 46 462.63 -> 474.93

X Russian Championship: 0% -> 100%
2024-05-06 31 -> 33 488.50 -> 462.63

IX Russian Riichi Championship: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 922 2024-06-09 5/52 100% 3.05 RR Agari Summer Tournament 2024
2 355 2024-05-12 70/108 100% 4.60 RR X Russian Championship
3 941 2024-03-10 4/52 100% 3.05 RR Agari Spring Tournament 2024
4 241 2023-06-11 67/88 71% 3.75 RR Money can not buy tenpai
5 893 2022-11-06 9/76 29% 4.20 RR IX Russian Riichi Championship
6 448 2022-03-20 38/68 0% 3.50 RR Tenpai can't buy happiness
7 133 2018-12-02 14/16 0% 2.30 RR Arkhangelsk Championship
8 452 2018-10-28 18/32 0% 2.70 EMA Tsukimi 2018
9 887 2018-06-11 9/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
10 718 2018-05-01 21/72 0% 3.85 EMA Haru Shanten 2018
11 667 2017-10-22 22/64 0% 3.45 EMA Moscow Riichi Open 2017
12 0 2016-03-13 100/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
13 795 2016-02-22 9/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
14 137 2015-10-18 45/52 0% 2.90 EMA Russian Open Riichi Championship 2015
15 67 2015-07-12 15/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015
16 895 2015-04-05 3/20 0% 1.30 RR "Haku no Ten" autumn 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
20 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014
21 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013
22 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013