Bykova Yulia

From Arkhangelsk, Russia

EMA: 15990258

Player page

Internal rating (RR)

Rating date Aug. 14, 2025 (latest changes Aug. 9, 2025).

41 place (611.53).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (372.55 * 3.05 * 0.57 + 705.88 * 3.05 * 0.71 + 921.35 * 3.75 * 1 + 803.92 * 3.05 * 1 + 0) / (3.05 * 0.57 + 3.05 * 0.71 + 3.75 * 1 + 3.05 * 1 + 1) = 690.5446753945887

p2 = (921.35 * 3.75 * 1 + 803.92 * 3.05 * 1 + 705.88 * 3.05 * 0.71 + 372.55 * 3.05 * 0.57) / max_coefficients = 532.5092105263159

score = 690.5446753945887 * 0.5 + 532.5092105263159 * 0.5 = 611.5269429604523

Rating changes

Show

all results
Date Place Points Reason
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
2025-07-10 38 -> 37 613.77 -> 614.09

Agari Spring Tournament 2024: 71% -> 57%
2025-07-03 39 -> 38 613.77
2025-06-15 38 -> 39 621.88 -> 613.77
2025-06-09 35 -> 38 632.44 -> 621.88

Agari Summer Tournament 2024: 100% -> 86%
2025-05-12 36 -> 35 620.33 -> 632.44

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 57% 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