Bykova Yulia
From Arkhangelsk, Russia
EMA: 15990258
Internal rating (RR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
109 place (117.07).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (509.09 * 3.30 * 0.29 + 333.33 * 3.45 * 0.29 + 81.08 * 4.05 * 0.71 + 0 + 0) / (3.30 * 0.29 + 3.45 * 0.29 + 4.05 * 0.71 + 1 + 1) = 152.91604790226037
p2 = (509.09 * 3.30 * 0.29 + 333.33 * 3.45 * 0.29 + 81.08 * 4.05 * 0.71) / max_coefficients = 81.22051123527045
score = 152.91604790226037 * 0.5 + 81.22051123527045 * 0.5 = 117.0682795687654
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 109 | 114.26 -> 117.07 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 108 -> 109 | 126.19 -> 114.26 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 109 -> 108 | 124.51 -> 126.19 | |
2023-07-06 | 107 -> 109 | 143.00 -> 124.51 |
Kirov Tournament: 43% -> 29% |
2023-06-19 | 108 -> 107 | 143.00 | |
2023-06-12 | 108 | 139.32 -> 143.00 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 92 -> 108 | 147.72 -> 139.32 | |
2023-05-28 | 91 -> 92 | 157.41 -> 147.72 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 92 -> 91 | 154.88 -> 157.41 | |
2023-05-06 | 90 -> 92 | 171.76 -> 154.88 |
Kirov Tournament: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 81 |
|
103/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
2 | 333 |
|
51/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |
3 | 509 |
|
28/56 | 29% | 3.30 | RR | Kirov Tournament |
4 | 604 |
|
45/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
5 | 683 |
|
21/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
6 | 852 |
|
5/28 | 0% | 2.30 | EMA | Finnish Riichi Mahjong Championship 2019 |
7 | 933 |
|
2/16 | 0% | 2.30 | RR | Arkhangelsk Championship |
8 | 613 |
|
13/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
9 | 870 |
|
4/24 | 0% | 2.50 | RR | West cup 2018 |
10 | 28 |
|
70/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
11 | 507 |
|
36/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
12 | 928 |
|
7/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
13 | 933 |
|
2/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong championship 2017 |
14 | 519 |
|
14/28 | 0% | 2.30 | EMA | Ivanovo Region Riichi 2017 |
15 | 310 |
|
50/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
16 | 867 |
|
3/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong tournament 2016 |
17 | 69 |
|
82/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
18 | 182 |
|
82/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
19 | 949 |
|
3/40 | 0% | 2.60 | EMA | Ivanovo Region Riichi Championship 2016 |
20 | 1000 |
|
1/16 | 0% | 1.20 | RR | Riichi mahjong tournament |
21 | 933 |
|
2/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong championship |
22 | 98 |
|
47/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
23 | 467 |
|
9/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2015 |