Bykova Yulia

From Arkhangelsk, Russia

EMA: 15990258

Player page

Internal rating (RR)

Rating date April 11, 2023 (latest changes April 11, 2023).

90 place (170.43).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

p1 = (509.09 * 3.30 * 0.57 + 333.33 * 3.45 * 0.57 + 81.08 * 4.05 * 1 + 0 + 0) / (3.30 * 0.57 + 3.45 * 0.57 + 4.05 * 1 + 1 + 1) = 196.37123433549175

p2 = (509.09 * 3.30 * 0.57 + 333.33 * 3.45 * 0.57 + 81.08 * 4.05 * 1) / max_coefficients = 144.49004692450634

score = 196.37123433549175 * 0.5 + 144.49004692450634 * 0.5 = 170.43064062999906

Rating changes

Show

all results
Date Place Points Reason
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%
2023-03-03 37 -> 89 486.74 -> 190.73
2021-02-01 36 -> 37 612.98 -> 486.74
2020-02-01 36 612.98

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 57% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
3 509 2021-11-06 28/56 57% 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
6 852 2019-08-04 5/28 0% 2.30 EMA Finnish Riichi Mahjong Championship 2019 Finland
7 933 2018-12-02 2/16 0% 2.30 RR Arkhangelsk Championship Arkhangelsk
8 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018 Vologda
9 870 2018-09-23 4/24 0% 2.50 RR West cup 2018 Saint Petersburg
10 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
11 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018 Perm
12 928 2017-12-11 7/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
13 933 2017-11-26 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017 Arkhangelsk
14 519 2017-08-06 14/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
15 310 2016-12-04 50/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
16 867 2016-11-27 3/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016 Arkhangelsk
17 69 2016-09-11 82/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
18 182 2016-03-13 82/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
19 949 2016-02-22 3/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
20 1000 2016-01-07 1/16 0% 1.20 RR Riichi mahjong tournament Arkhangelsk
21 933 2015-11-29 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship Arkhangelsk
22 98 2015-10-18 47/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
23 467 2015-07-12 9/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015 Vologda