Bykova Yulia

From Arkhangelsk, Russia

EMA: 15990258

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Internal rating (RR)

Rating date June 19, 2023 (latest changes June 19, 2023).

107 place (143.00).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305

p1 = (509.09 * 3.30 * 0.43 + 333.33 * 3.45 * 0.43 + 81.08 * 4.05 * 0.86 + 0 + 0) / (3.30 * 0.43 + 3.45 * 0.43 + 4.05 * 0.86 + 1 + 1) = 178.66278190477274

p2 = (509.09 * 3.30 * 0.43 + 333.33 * 3.45 * 0.43 + 81.08 * 4.05 * 0.86) / max_coefficients = 107.34553980391925

score = 178.66278190477274 * 0.5 + 107.34553980391925 * 0.5 = 143.004160854346

Rating changes

Show

all results
Date Place Points Reason
2023-06-19 108 -> 107 143.00
2023-06-12 108 139.32 -> 143.00

Moscow Riichi 2022: 100% -> 86%
2023-06-11 92 -> 108 147.72 -> 139.32
2023-05-28 91 -> 92 157.41 -> 147.72

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 92 -> 91 154.88 -> 157.41
2023-05-06 90 -> 92 171.76 -> 154.88

Kirov Tournament: 57% -> 43%
2023-04-19 90 170.43 -> 171.76
2023-03-28 89 -> 90 178.35 -> 170.43

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 90 -> 89 175.65 -> 178.35
2023-03-06 89 -> 90 190.73 -> 175.65

Kirov Tournament: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 81 2022-06-12 103/112 86% 4.05 RR Moscow Riichi 2022
2 333 2021-11-28 51/76 43% 3.45 RR Saint Petersburg Open 2021
3 509 2021-11-06 28/56 43% 3.30 RR Kirov Tournament
4 604 2019-12-15 45/112 0% 4.05 EMA VIII Russian Riichi Championship
5 683 2019-11-04 21/64 0% 3.85 EMA Aki Shanten 2019
6 852 2019-08-04 5/28 0% 2.30 EMA Finnish Riichi Mahjong Championship 2019
7 933 2018-12-02 2/16 0% 2.30 RR Arkhangelsk Championship
8 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018
9 870 2018-09-23 4/24 0% 2.50 RR West cup 2018
10 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
11 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018
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