Bykova Yulia

From Arkhangelsk, Russia

EMA: 15990258

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Common russian riichi rating (CRR)

Rating date May 28, 2023 (latest changes May 28, 2023).

131 place (143.05).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005

p1 = (81.08 * 4.05 * 1 + 509.09 * 3.30 * 0.43 + 333.33 * 3.45 * 0.43 + 0 + 0) / (4.05 * 1 + 3.30 * 0.43 + 3.45 * 0.43 + 1 + 1) = 172.3483598995868

p2 = (509.09 * 3.30 * 0.43 + 333.33 * 3.45 * 0.43 + 81.08 * 4.05 * 1) / max_coefficients = 113.75013376334405

score = 172.3483598995868 * 0.5 + 113.75013376334405 * 0.5 = 143.04924683146544

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 129 -> 131 153.31 -> 143.05

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 130 -> 129 151.07 -> 153.31
2023-05-06 128 -> 130 167.42 -> 151.07

Kirov Tournament: 57% -> 43%
2023-05-05 21 -> 128 630.94 -> 167.42
2021-02-01 25 -> 21 664.42 -> 630.94
2020-02-01 25 664.42

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 81 2022-06-12 103/112 100% 4.05 RR Moscow Riichi 2022 Moscow
2 333 2021-11-28 51/76 43% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
3 509 2021-11-06 28/56 43% 3.30 RR Kirov Tournament Kirov
4 604 2019-12-15 45/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
5 683 2019-11-04 21/64 0% 3.85 EMA Aki Shanten 2019 Perm
6 909 2019-09-22 2/12 0% 2.50 CRR Reversed Chun Arkhangelsk
7 852 2019-08-04 5/28 0% 2.30 EMA Finnish Riichi Mahjong Championship 2019 Finland
8 636 2019-03-31 5/12 0% 2.20 CRR Spring Tournament Arkhangelsk
9 933 2018-12-02 2/16 0% 2.30 RR Arkhangelsk Championship Arkhangelsk
10 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018 Vologda
11 870 2018-09-23 4/24 0% 2.50 RR West cup 2018 Saint Petersburg
12 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
13 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018 Perm
14 1000 2018-02-25 1/16 0% 1.40 CRR Winter riichi tournament Arkhangelsk
15 928 2017-12-11 7/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
16 933 2017-11-26 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017 Arkhangelsk
17 519 2017-08-06 14/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
18 310 2016-12-04 50/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
19 867 2016-11-27 3/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016 Arkhangelsk
20 69 2016-09-11 82/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
21 182 2016-03-13 82/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
22 949 2016-02-22 3/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
23 1000 2016-01-07 1/16 0% 1.20 RR Riichi mahjong tournament Arkhangelsk
24 933 2015-11-29 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship Arkhangelsk
25 98 2015-10-18 47/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
26 467 2015-07-12 9/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015 Vologda