Bykova Yulia

From Moscow, Russia

EMA: 15990258

Player page

Common russian riichi rating (CRR)

Rating date Sept. 19, 2026 (latest changes Sept. 17, 2026).

18 place (708.90).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (921.35 * 3.75 * 0.14 + 803.92 * 3.05 * 0.43 + 614.04 * 3.90 * 1 + 770.27 * 3.40 * 1 + 853.15 * 4.71 * 1) / (3.75 * 0.14 + 3.05 * 0.43 + 3.90 * 1 + 3.40 * 1 + 4.71 * 1) = 763.4837099697145

p2 = (853.15 * 4.71 * 1 + 770.27 * 3.40 * 1 + 614.04 * 3.90 * 1 + 803.92 * 3.05 * 0.43) / max_coefficients = 654.3082414016872

score = 763.4837099697145 * 0.5 + 654.3082414016872 * 0.5 = 708.8959756857008

Rating changes

Show

all results
Date Place Points Reason
2026-09-06 20 -> 18 708.90
2026-09-03 19 -> 20 708.90
2026-08-31 22 -> 19 707.84 -> 708.90
2026-08-16 19 -> 22 707.84
2026-08-15 20 -> 19 705.45 -> 707.84
2026-08-13 18 -> 20 708.39 -> 705.45

Moscow Riichi 2024: 29% -> 14%
2026-08-03 19 -> 18 708.39
2026-08-02 17 -> 19 720.14 -> 708.39

Agari Winter Tournament 2025: 57% -> 43%
2026-07-25 18 -> 17 720.14
2026-07-23 17 -> 18 720.14

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 853 2026-06-14 22/144 100% 4.71 RR XII Russian Championship Samara
2 770 2026-02-23 18/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 614 2025-11-04 23/58 100% 3.90 RR XI Russian Championship Moscow
4 804 2025-02-02 11/52 43% 3.05 RR Agari Winter Tournament 2025 Moscow
5 921 2024-10-13 8/90 14% 3.75 RR Moscow Riichi 2024 Moscow
6 706 2024-06-09 16/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
7 373 2024-03-10 33/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
8 81 2022-06-12 103/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 333 2021-11-28 51/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
10 509 2021-11-06 28/56 0% 3.30 RR Kirov Tournament Kirov
11 604 2019-12-15 45/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
12 683 2019-11-04 21/64 0% 3.85 EMA Aki Shanten 2019 Perm
13 909 2019-09-22 🥈 2/12 0% 2.50 CRR Reversed Chun Arkhangelsk
14 852 2019-08-04 5/28 0% 2.30 EMA Finnish Riichi Mahjong Championship 2019 Finland
15 636 2019-03-31 5/12 0% 2.20 CRR Spring Tournament Arkhangelsk
16 933 2018-12-02 🥈 2/16 0% 2.30 RR Arkhangelsk Championship Arkhangelsk
17 613 2018-10-28 13/32 0% 2.70 EMA Tsukimi 2018 Vologda
18 870 2018-09-23 4/24 0% 2.50 RR West cup 2018 Saint Petersburg
19 28 2018-06-11 70/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
20 507 2018-05-01 36/72 0% 3.85 EMA Haru Shanten 2018 Perm
21 1000 2018-02-25 🥇 1/16 0% 1.40 CRR Winter riichi tournament Arkhangelsk
22 928 2017-12-11 7/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
23 933 2017-11-26 🥈 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017 Arkhangelsk
24 519 2017-08-06 14/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
25 310 2016-12-04 50/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
26 867 2016-11-27 🥉 3/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016 Arkhangelsk
27 69 2016-09-11 82/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
28 182 2016-03-13 82/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
29 949 2016-02-22 🥉 3/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
30 1000 2016-01-07 🥇 1/16 0% 1.20 RR Riichi mahjong tournament Arkhangelsk
31 933 2015-11-29 🥈 2/16 0% 1.60 RR Arkhangelsk riichi mahjong championship Arkhangelsk
32 98 2015-10-18 47/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
33 467 2015-07-12 9/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015 Vologda