Kuropteva Ludmila

From Arkhangelsk, Russia

EMA: 15990300

Player page

Internal rating (RR)

Rating date May 19, 2022 (latest changes April 30, 2022).

139 place (299.52).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 3.50 * 1 + 3.45 * 1) = 14.850000000000001

p1 = (322.58 * 2.70 * 0.14 + 666.67 * 2.30 * 0.29 + 407.41 * 2.30 * 0.86 + 466.67 * 3.45 * 1 + 0) / (2.70 * 0.14 + 2.30 * 0.29 + 2.30 * 0.86 + 3.45 * 1 + 1) = 398.6538536253378

p2 = (466.67 * 3.45 * 1 + 407.41 * 2.30 * 0.86 + 666.67 * 2.30 * 0.29 + 322.58 * 2.70 * 0.14) / max_coefficients = 200.38114478114477

score = 398.6538536253378 * 0.5 + 200.38114478114477 * 0.5 = 299.5174992032413

Rating changes

Show

Date Place Points Reason
2022-04-30 142 -> 139 301.84 -> 299.52

Tsukimi 2018: 29% -> 14%

2022-03-30 134 -> 142 319.22 -> 301.84

Finnish Riichi Mahjong Championship 2019: 100% -> 86%

Arkhangelsk Championship: 43% -> 29%

2022-03-20 127 -> 134 319.61 -> 319.22
2022-02-28 133 -> 127 320.79 -> 319.61

Tsukimi 2018: 43% -> 29%

2022-01-30 117 -> 133 376.69 -> 320.79

Arkhangelsk Championship: 57% -> 43%

RCR Saint Petersburg South Cup 2018: 14% -> 0%

2021-12-30 120 -> 117 368.21 -> 376.69

Tsukimi 2018: 57% -> 43%

2021-12-19 117 -> 120 368.21
2021-11-30 104 -> 117 406.38 -> 368.21

Arkhangelsk Championship: 71% -> 57%

RCR Saint Petersburg South Cup 2018: 29% -> 14%

2021-11-28 124 -> 104 347.42 -> 406.38

Saint Petersburg Open 2021: 0% -> 100%

2021-11-06 119 -> 124 347.42

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 467 2021-11-28 41/76 100% 3.45 RR Saint Petersburg Open 2021
2 407 2019-08-04 17/28 86% 2.30 EMA Finnish Riichi Mahjong Championship 2019
3 667 2018-12-02 6/16 29% 2.30 RR Arkhangelsk Championship
4 323 2018-10-28 22/32 14% 2.70 EMA Tsukimi 2018
5 972 2018-06-11 3/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
6 627 2017-12-11 32/84 0% 3.40 EMA VI Russian Riichi Championship 2017
7 667 2017-11-26 6/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017
8 222 2017-08-06 22/28 0% 2.30 EMA Ivanovo Region Riichi 2017
9 521 2016-12-04 35/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
10 267 2016-11-27 12/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016
11 67 2016-01-07 15/16 0% 1.20 RR Riichi mahjong tournament
12 800 2015-11-29 4/16 0% 1.60 RR Arkhangelsk riichi mahjong championship