Kotova Velena

From Izhevsk, Russia

EMA: 15990160

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Internal rating (RR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

127 place (322.92).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (718.31 * 3.85 * 0.29 + 887.32 * 3.55 * 0.43 + 451.61 * 2.70 * 0.71 + 133.33 * 2.30 * 0.86 + 0) / (3.85 * 0.29 + 3.55 * 0.43 + 2.70 * 0.71 + 2.30 * 0.86 + 1) = 435.2930931214406

p2 = (887.32 * 3.55 * 0.43 + 451.61 * 2.70 * 0.71 + 718.31 * 3.85 * 0.29 + 133.33 * 2.30 * 0.86) / max_coefficients = 210.54790996784564

score = 435.2930931214406 * 0.5 + 210.54790996784564 * 0.5 = 322.9205015446431

Rating changes

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all results
Date Place Points Reason
2020-02-01 127 322.92

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 133 2018-12-02 14/16 86% 2.30 RR Arkhangelsk Championship
2 452 2018-10-28 18/32 71% 2.70 EMA Tsukimi 2018
3 887 2018-06-11 9/72 43% 3.55 EMA RCR Saint Petersburg South Cup 2018
4 718 2018-05-01 21/72 29% 3.85 EMA Haru Shanten 2018
5 667 2017-10-22 22/64 0% 3.45 EMA Moscow Riichi Open 2017
6 0 2016-03-13 100/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
7 795 2016-02-22 9/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
8 137 2015-10-18 45/52 0% 2.90 EMA Russian Open Riichi Championship 2015
9 67 2015-07-12 15/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015
10 895 2015-04-05 3/20 0% 1.30 RR "Haku no Ten" autumn riichi mahjong tournament 2015
11 87 2014-10-18 22/24 0% 1.40 EMA Vologda Riichi Championship 2014
12 175 2014-09-21 53/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
13 333 2014-06-29 11/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014
14 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014
15 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013
16 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013