Yashkina Darya
From Perm, Russia
Common russian riichi rating (CRR)
Rating date May 20, 2025 (latest changes May 19, 2025).
129 place (361.60).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (643.68 * 3.75 * 0.14 + 831.78 * 4.60 * 0.86 + 0 + 0 + 0) / (3.75 * 0.14 + 4.60 * 0.86 + 1 + 1 + 1) = 484.63235112224515
p2 = (831.78 * 4.60 * 0.86 + 643.68 * 3.75 * 0.14) / max_coefficients = 238.55861975453934
score = 484.63235112224515 * 0.5 + 238.55861975453934 * 0.5 = 361.59548543839225
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-17 | 127 -> 129 | 361.60 | |
| 2025-05-12 | 111 -> 127 | 387.92 -> 361.60 |
X Russian Championship: 100% -> 86% |
| 2025-05-03 | 107 -> 111 | 387.92 | |
| 2025-04-27 | 104 -> 107 | 387.92 | |
| 2025-04-26 | 103 -> 104 | 387.92 | |
| 2025-04-25 | 104 -> 103 | 387.92 | |
| 2025-04-11 | 100 -> 104 | 402.84 -> 387.92 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-23 | 99 -> 100 | 402.84 | |
| 2025-03-05 | 100 -> 99 | 402.84 | |
| 2025-03-02 | 98 -> 100 | 402.84 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 832 |
|
19/108 | 86% | 4.60 | RR | X Russian Championship | Perm |
| 2 | 644 |
|
32/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
| 3 | 613 |
|
30/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 4 | 866 |
|
10/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm |
| 5 | 691 |
|
18/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov |