Bykova Yulia

From Moscow, Russia

EMA: 15990258

Player page

Internal rating (RR)

Rating date April 20, 2026 (latest changes April 19, 2026).

30 place (646.98).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (705.88 * 3.05 * 0.14 + 921.35 * 3.75 * 0.43 + 803.92 * 3.05 * 0.71 + 614.04 * 3.90 * 1 + 770.27 * 3.40 * 1) / (3.05 * 0.14 + 3.75 * 0.43 + 3.05 * 0.71 + 3.90 * 1 + 3.40 * 1) = 742.3898015138378

p2 = (770.27 * 3.40 * 1 + 614.04 * 3.90 * 1 + 803.92 * 3.05 * 0.71 + 921.35 * 3.75 * 0.43) / max_coefficients = 551.5678929765887

score = 742.3898015138378 * 0.5 + 551.5678929765887 * 0.5 = 646.9788472452133

Rating changes

Show

all results
Date Place Points Reason
2026-04-13 27 -> 30 667.45 -> 646.98

Moscow Riichi 2024: 57% -> 43%
2026-04-11 26 -> 27 667.45
2026-04-09 26 666.68 -> 667.45

Agari Summer Tournament 2024: 29% -> 14%
2026-04-05 24 -> 26 666.68
2026-04-04 23 -> 24 666.68
2026-04-02 21 -> 23 679.32 -> 666.68

Agari Winter Tournament 2025: 86% -> 71%
2026-03-10 25 -> 21 673.15 -> 679.32

Agari Spring Tournament 2024: 14% -> 0%
2026-03-01 27 -> 25 673.15
2026-02-23 36 -> 27 600.68 -> 673.15

White Wolf Cup 2026: 0% -> 100%
2026-02-16 37 -> 36 600.68

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 770 2026-02-23 18/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 614 2025-11-04 23/58 100% 3.90 RR XI Russian Championship Moscow
3 804 2025-02-02 11/52 71% 3.05 RR Agari Winter Tournament 2025 Moscow
4 921 2024-10-13 8/90 43% 3.75 RR Moscow Riichi 2024 Moscow
5 706 2024-06-09 16/52 14% 3.05 RR Agari Summer Tournament 2024 Moscow
6 373 2024-03-10 33/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
7 81 2022-06-12 103/112 0% 4.05 RR Moscow Riichi 2022 Moscow
8 333 2021-11-28 51/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
9 509 2021-11-06 28/56 0% 3.30 RR Kirov Tournament Kirov
10 604 2019-12-15 45/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
11 683 2019-11-04 21/64 0% 3.85 EMA Aki Shanten 2019 Perm
12 852 2019-08-04 5/28 0% 2.30 EMA Finnish Riichi Mahjong Championship 2019 Finland
13 933 2018-12-02 🥈 2/16 0% 2.30 RR Arkhangelsk Championship Arkhangelsk
14 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018 Vologda
15 870 2018-09-23 4/24 0% 2.50 RR West cup 2018 Saint Petersburg
16 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
17 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018 Perm
18 928 2017-12-11 7/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
19 933 2017-11-26 🥈 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017 Arkhangelsk
20 519 2017-08-06 14/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
21 310 2016-12-04 50/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
22 867 2016-11-27 🥉 3/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016 Arkhangelsk
23 69 2016-09-11 82/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
24 182 2016-03-13 82/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
25 949 2016-02-22 🥉 3/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
26 1000 2016-01-07 🥇 1/16 0% 1.20 RR Riichi mahjong tournament Arkhangelsk
27 933 2015-11-29 🥈 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship Arkhangelsk
28 98 2015-10-18 47/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
29 467 2015-07-12 9/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015 Vologda