Bikbulatova Yuliya
From Chelyabinsk, Russia
EMA: 15020036
Internal rating (RR)
Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).
173 place (203.56).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (327.10 * 4.60 * 0.71 + 31.58 * 3.85 * 0.86 + 441.56 * 3.45 * 1 + 0 + 0) / (4.60 * 0.71 + 3.85 * 0.86 + 3.45 * 1 + 1 + 1) = 224.53194124272005
p2 = (441.56 * 3.45 * 1 + 327.10 * 4.60 * 0.71 + 31.58 * 3.85 * 0.86) / max_coefficients = 182.59324324324325
score = 224.53194124272005 * 0.5 + 182.59324324324325 * 0.5 = 203.56259224298165
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 178 -> 173 | 203.56 | |
| 2025-09-01 | 180 -> 178 | 197.51 -> 203.56 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 203 -> 180 | 98.37 -> 197.51 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 203 | 97.99 -> 98.37 | |
| 2025-08-03 | 196 -> 203 | 97.99 | |
| 2025-07-13 | 193 -> 196 | 97.99 | |
| 2025-07-12 | 191 -> 193 | 110.49 -> 97.99 |
X Russian Championship: 86% -> 71% |
| 2025-06-15 | 179 -> 191 | 111.82 -> 110.49 | |
| 2025-06-11 | 188 -> 179 | 111.82 | |
| 2025-05-12 | 186 -> 188 | 122.32 -> 111.82 |
X Russian Championship: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 442 |
|
44/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 32 |
|
93/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 327 |
|
73/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 107 |
|
68/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 5 | 463 |
|
37/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 6 | 206 |
|
51/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 7 | 565 |
|
11/24 | 0% | 2.20 | RR | URAL Mahjong Battle | Yekaterinburg | |
| 8 | 947 |
|
🥈 | 2/20 | 0% | 2.10 | RR | Spring hope | Yekaterinburg |
| 9 | 495 |
|
47/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 10 | 873 |
|
10/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 11 | 609 |
|
10/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 12 | 226 |
|
25/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 13 | 478 |
|
13/24 | 0% | 2.20 | RR | The first tournament of 2017 | Yekaterinburg | |
| 14 | 303 |
|
70/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 | Moscow | |
| 15 | 526 |
|
10/20 | 0% | 1.70 | RR | "Tiles, doras, 2 renchans" | Tyumen | |
| 16 | 739 |
|
7/24 | 0% | 1.80 | RR | 4 riichi mahjong tournament 2015 | Yekaterinburg | |
| 17 | 211 |
|
16/20 | 0% | 1.70 | RR | Plitochka | Tyumen | |
| 18 | 933 |
|
🥈 | 2/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 | Yekaterinburg |