Bykova Yulia

From Arkhangelsk, Russia

EMA: 15990258

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Common russian riichi rating (CRR)

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

21 place (630.94).

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

p1 = (636.36 * 2.20 * 0.14 + 851.85 * 2.30 * 0.57 + 909.09 * 2.50 * 0.57 + 682.54 * 3.85 * 0.71 + 603.60 * 4.05 * 0.86) / (2.20 * 0.14 + 2.30 * 0.57 + 2.50 * 0.57 + 3.85 * 0.71 + 4.05 * 0.86) = 710.3048906008681

p2 = (603.60 * 4.05 * 0.86 + 682.54 * 3.85 * 0.71 + 909.09 * 2.50 * 0.57 + 851.85 * 2.30 * 0.57) / max_coefficients = 551.5825834470157

score = 710.3048906008681 * 0.5 + 551.5825834470157 * 0.5 = 630.9437370239419

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 25 -> 21 664.42 -> 630.94
2020-02-01 25 664.42

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 604 2019-12-15 45/112 86% 4.05 EMA VIII Russian Riichi Championship
2 683 2019-11-04 21/64 71% 3.85 EMA Aki Shanten 2019
3 909 2019-09-22 2/12 57% 2.50 CRR Reversed Chun
4 852 2019-08-04 5/28 57% 2.30 EMA Finnish Riichi Mahjong Championship 2019
5 636 2019-03-31 5/12 14% 2.20 CRR Spring Tournament
6 933 2018-12-02 2/16 0% 2.30 RR Arkhangelsk Championship
7 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018
8 870 2018-09-23 4/24 0% 2.50 RR West cup 2018
9 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
10 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018
11 1000 2018-02-25 1/16 0% 1.40 CRR Winter riichi tournament
12 928 2017-12-11 7/84 0% 3.40 EMA VI Russian Riichi Championship 2017
13 933 2017-11-26 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017
14 519 2017-08-06 14/28 0% 2.30 EMA Ivanovo Region Riichi 2017
15 310 2016-12-04 50/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
16 867 2016-11-27 3/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016
17 69 2016-09-11 82/88 0% 3.45 EMA V Russian Riichi Championship 2016
18 182 2016-03-13 82/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
19 949 2016-02-22 3/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
20 1000 2016-01-07 1/16 0% 1.20 RR Riichi mahjong tournament
21 933 2015-11-29 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship
22 98 2015-10-18 47/52 0% 2.90 EMA Russian Open Riichi Championship 2015
23 467 2015-07-12 9/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015