Yashkina Darya
From Perm, Russia
Internal rating (RR)
Rating date May 3, 2025 (latest changes May 3, 2025).
103 place (387.92).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (643.68 * 3.75 * 0.14 + 831.78 * 4.60 * 1 + 0 + 0 + 0) / (3.75 * 0.14 + 4.60 * 1 + 1 + 1 + 1) = 512.6799514495983
p2 = (831.78 * 4.60 * 1 + 643.68 * 3.75 * 0.14) / max_coefficients = 263.1608832807571
score = 512.6799514495983 * 0.5 + 263.1608832807571 * 0.5 = 387.92041736517774
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-03 | 100 -> 103 | 387.92 | |
| 2025-04-26 | 98 -> 100 | 387.92 | |
| 2025-04-11 | 95 -> 98 | 402.84 -> 387.92 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-03 | 97 -> 95 | 402.84 | |
| 2025-03-02 | 93 -> 97 | 402.84 | |
| 2025-02-16 | 88 -> 93 | 402.84 | |
| 2025-02-11 | 88 | 417.30 -> 402.84 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 85 -> 88 | 417.30 | |
| 2025-01-26 | 81 -> 85 | 417.30 | |
| 2025-01-07 | 78 -> 81 | 417.30 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 832 |
|
19/108 | 100% | 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 |