Kotova Velena

From Izhevsk, Russia

EMA: 15990160

Player page

Internal rating (RR)

Rating date June 11, 2023 (latest changes June 11, 2023).

45 place (431.18).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 3.50 * 0.71) = 14.50005

p1 = (447.76 * 3.50 * 0.71 + 893.33 * 4.20 * 1 + 241.38 * 3.75 * 1 + 0 + 0) / (3.50 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 463.9820723611552

p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 0.71 + 241.38 * 3.75 * 1) / max_coefficients = 398.38483315574774

score = 463.9820723611552 * 0.5 + 398.38483315574774 * 0.5 = 431.1834527584515

Rating changes

Show

all results
Date Place Points Reason
2023-06-11 36 -> 45 445.63 -> 431.18

Money can not buy tenpai: 0% -> 100%
2023-05-28 37 -> 36 442.57 -> 445.63
2023-05-20 36 -> 37 442.46 -> 442.57

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 37 -> 36 442.46
2023-04-19 37 438.98 -> 442.46
2023-03-28 39 -> 37 435.53 -> 438.98
2023-03-20 36 -> 39 435.66 -> 435.53

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 38 -> 36 435.66
2023-02-19 39 -> 38 433.16 -> 435.66
2023-01-28 41 -> 39 429.40 -> 433.16

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 71% 3.50 RR Tenpai can't buy happiness
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
11 137 2015-10-18 45/52 0% 2.90 EMA Russian Open Riichi Championship 2015
12 67 2015-07-12 15/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015
13 895 2015-04-05 3/20 0% 1.30 RR "Haku no Ten" autumn riichi mahjong tournament 2015
14 87 2014-10-18 22/24 0% 1.40 EMA Vologda Riichi Championship 2014
15 175 2014-09-21 53/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
16 333 2014-06-29 11/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014
17 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014
18 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013
19 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013