Kotova Velena

From Izhevsk, Russia

EMA: 15990160

Player page

Internal rating (RR)

Rating date May 12, 2024 (latest changes May 12, 2024).

46 place (474.93).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (893.33 * 4.20 * 0.43 + 241.38 * 3.75 * 1 + 355.14 * 4.60 * 1 + 941.18 * 3.05 * 1 + 0) / (4.20 * 0.43 + 3.75 * 1 + 4.60 * 1 + 3.05 * 1 + 1) = 494.1866688450521

p2 = (941.18 * 3.05 * 1 + 355.14 * 4.60 * 1 + 893.33 * 4.20 * 0.43 + 241.38 * 3.75 * 1) / max_coefficients = 455.68246753246757

score = 494.1866688450521 * 0.5 + 455.68246753246757 * 0.5 = 474.93456818875984

Rating changes

Show

all results
Date Place Points Reason
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%
2024-03-30 27 -> 31 488.50
2024-03-20 22 -> 27 519.80 -> 488.50

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 57 -> 22 333.92 -> 519.80

Agari Spring Tournament 2024: 0% -> 100%
2024-03-06 52 -> 57 365.85 -> 333.92

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 53 -> 52 358.44 -> 365.85
2024-01-20 53 368.32 -> 358.44

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 49 -> 53 395.29 -> 368.32

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 50 -> 49 395.29

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 355 2024-05-12 70/108 100% 4.60 RR X Russian Championship
2 941 2024-03-10 4/52 100% 3.05 RR Agari Spring Tournament 2024
3 241 2023-06-11 67/88 100% 3.75 RR Money can not buy tenpai
4 893 2022-11-06 9/76 43% 4.20 RR IX Russian Riichi Championship
5 448 2022-03-20 38/68 0% 3.50 RR Tenpai can't buy happiness
6 133 2018-12-02 14/16 0% 2.30 RR Arkhangelsk Championship
7 452 2018-10-28 18/32 0% 2.70 EMA Tsukimi 2018
8 887 2018-06-11 9/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
9 718 2018-05-01 21/72 0% 3.85 EMA Haru Shanten 2018
10 667 2017-10-22 22/64 0% 3.45 EMA Moscow Riichi Open 2017
11 0 2016-03-13 100/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
12 795 2016-02-22 9/40 0% 2.60 EMA Ivanovo Region Riichi Championship 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 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
19 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014
20 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013
21 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013