Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Internal rating (RR)
Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).
29 place (620.90).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (372.55 * 3.05 * 1 + 803.92 * 3.05 * 1 + 705.88 * 3.05 * 1 + 921.35 * 3.75 * 1 + 0) / (3.05 * 1 + 3.05 * 1 + 3.05 * 1 + 3.75 * 1 + 1) = 661.5992805755396
p2 = (921.35 * 3.75 * 1 + 803.92 * 3.05 * 1 + 705.88 * 3.05 * 1 + 372.55 * 3.05 * 1) / max_coefficients = 580.203785488959
score = 661.5992805755396 * 0.5 + 580.203785488959 * 0.5 = 620.9015330322493
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-02 | 56 -> 29 | 497.32 -> 620.90 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 57 -> 56 | 497.32 | |
| 2025-01-07 | 54 -> 57 | 497.32 | |
| 2025-01-03 | 57 -> 54 | 497.32 | |
| 2024-11-06 | 58 -> 57 | 497.32 | |
| 2024-11-03 | 59 -> 58 | 497.32 | |
| 2024-10-13 | 112 -> 59 | 286.64 -> 497.32 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 113 -> 112 | 286.64 | |
| 2024-09-06 | 114 -> 113 | 286.64 | |
| 2024-09-03 | 115 -> 114 | 282.88 -> 286.64 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 804 |
|
11/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
| 2 | 921 |
|
8/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 706 |
|
16/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 4 | 373 |
|
33/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 5 | 81 |
|
103/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 6 | 333 |
|
51/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 7 | 509 |
|
28/56 | 0% | 3.30 | RR | Kirov Tournament |
| 8 | 604 |
|
45/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 9 | 683 |
|
21/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 10 | 852 |
|
5/28 | 0% | 2.30 | EMA | Finnish Riichi Mahjong Championship 2019 |
| 11 | 933 |
|
2/16 | 0% | 2.30 | RR | Arkhangelsk Championship |
| 12 | 613 |
|
13/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
| 13 | 870 |
|
4/24 | 0% | 2.50 | RR | West cup 2018 |
| 14 | 28 |
|
70/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 15 | 507 |
|
36/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 16 | 928 |
|
7/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 17 | 933 |
|
2/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong championship 2017 |
| 18 | 519 |
|
14/28 | 0% | 2.30 | EMA | Ivanovo Region Riichi 2017 |
| 19 | 310 |
|
50/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
| 20 | 867 |
|
3/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong tournament 2016 |
| 21 | 69 |
|
82/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
| 22 | 182 |
|
82/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
| 23 | 949 |
|
3/40 | 0% | 2.60 | EMA | Ivanovo Region Riichi Championship 2016 |
| 24 | 1000 |
|
1/16 | 0% | 1.20 | RR | Riichi mahjong tournament |
| 25 | 933 |
|
2/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong championship |
| 26 | 98 |
|
47/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
| 27 | 467 |
|
9/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2015 |