Kuropteva Ludmila

From Arkhangelsk, Russia

EMA: 15990300

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Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

127 place (176.03).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (1000 * 2.20 * 0.14 + 407.41 * 2.30 * 0.57 + 272.73 * 2.50 * 0.57 + 0 + 0) / (2.20 * 0.14 + 2.30 * 0.57 + 2.50 * 0.57 + 1 + 1) = 245.07919558640324

p2 = (407.41 * 2.30 * 0.57 + 272.73 * 2.50 * 0.57 + 1000 * 2.20 * 0.14) / max_coefficients = 106.97634874881804

score = 245.07919558640324 * 0.5 + 106.97634874881804 * 0.5 = 176.02777216761064

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 75 -> 127 484.64 -> 176.03
2020-02-01 75 484.64

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 273 2019-09-22 9/12 57% 2.50 CRR Reversed Chun
2 407 2019-08-04 17/28 57% 2.30 EMA Finnish Riichi Mahjong Championship 2019
3 1000 2019-03-31 1/12 14% 2.20 CRR Spring Tournament
4 667 2018-12-02 6/16 0% 2.30 RR Arkhangelsk Championship
5 323 2018-10-28 22/32 0% 2.70 EMA Tsukimi 2018
6 972 2018-06-11 3/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
7 933 2018-02-25 2/16 0% 1.40 CRR Winter riichi tournament
8 627 2017-12-11 32/84 0% 3.40 EMA VI Russian Riichi Championship 2017
9 667 2017-11-26 6/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017
10 222 2017-08-06 22/28 0% 2.30 EMA Ivanovo Region Riichi 2017
11 521 2016-12-04 35/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
12 267 2016-11-27 12/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016
13 67 2016-01-07 15/16 0% 1.20 RR Riichi mahjong tournament
14 800 2015-11-29 4/16 0% 1.60 RR Arkhangelsk riichi mahjong championship