Bykova Yulia

From Arkhangelsk, Russia

EMA: 15990258

Player page

Internal rating (RR)

Rating date Sept. 12, 2025 (latest changes Sept. 12, 2025).

41 place (619.38).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (372.55 * 3.05 * 0.43 + 705.88 * 3.05 * 0.71 + 921.35 * 3.75 * 1 + 803.92 * 3.05 * 1 + 0) / (3.05 * 0.43 + 3.05 * 0.71 + 3.75 * 1 + 3.05 * 1 + 1) = 702.8166699081903

p2 = (921.35 * 3.75 * 1 + 803.92 * 3.05 * 1 + 705.88 * 3.05 * 0.71 + 372.55 * 3.05 * 0.43) / max_coefficients = 535.9378378378378

score = 702.8166699081903 * 0.5 + 535.9378378378378 * 0.5 = 619.3772538730141

Rating changes

Show

all results
Date Place Points Reason
2025-09-12 43 -> 41 619.38
2025-09-10 44 -> 43 618.72 -> 619.38

Agari Spring Tournament 2024: 57% -> 43%
2025-09-03 43 -> 44 618.72
2025-09-01 45 -> 43 611.53 -> 618.72
2025-08-31 41 -> 45 611.53
2025-08-09 40 -> 41 621.91 -> 611.53

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 41 -> 40 619.21 -> 621.91
2025-08-03 38 -> 41 619.21
2025-07-13 36 -> 38 619.21
2025-07-12 37 -> 36 614.09 -> 619.21

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 804 2025-02-02 11/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
2 921 2024-10-13 8/90 100% 3.75 RR Moscow Riichi 2024 Moscow
3 706 2024-06-09 16/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
4 373 2024-03-10 33/52 43% 3.05 RR Agari Spring Tournament 2024 Moscow
5 81 2022-06-12 103/112 0% 4.05 RR Moscow Riichi 2022 Moscow
6 333 2021-11-28 51/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
7 509 2021-11-06 28/56 0% 3.30 RR Kirov Tournament Kirov
8 604 2019-12-15 45/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
9 683 2019-11-04 21/64 0% 3.85 EMA Aki Shanten 2019 Perm
10 852 2019-08-04 5/28 0% 2.30 EMA Finnish Riichi Mahjong Championship 2019 Finland
11 933 2018-12-02 🥈 2/16 0% 2.30 RR Arkhangelsk Championship Arkhangelsk
12 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018 Vologda
13 870 2018-09-23 4/24 0% 2.50 RR West cup 2018 Saint Petersburg
14 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
15 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018 Perm
16 928 2017-12-11 7/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
17 933 2017-11-26 🥈 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017 Arkhangelsk
18 519 2017-08-06 14/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
19 310 2016-12-04 50/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
20 867 2016-11-27 🥉 3/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016 Arkhangelsk
21 69 2016-09-11 82/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
22 182 2016-03-13 82/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
23 949 2016-02-22 🥉 3/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
24 1000 2016-01-07 🥇 1/16 0% 1.20 RR Riichi mahjong tournament Arkhangelsk
25 933 2015-11-29 🥈 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship Arkhangelsk
26 98 2015-10-18 47/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
27 467 2015-07-12 9/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015 Vologda