Ledneva Darya
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
226 place (191.42).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (19.61 * 3.05 * 1 + 366.67 * 2.45 * 1 + 428.57 * 3.45 * 1 + 0 + 0) / (3.05 * 1 + 2.45 * 1 + 3.45 * 1 + 1 + 1) = 222.5296803652968
p2 = (428.57 * 3.45 * 1 + 366.67 * 2.45 * 1 + 19.61 * 3.05 * 1) / max_coefficients = 160.3092105263158
score = 222.5296803652968 * 0.5 + 160.3092105263158 * 0.5 = 191.4194454458063
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 270 -> 226 | 87.88 -> 191.42 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-25 | 271 -> 270 | 87.88 | |
| 2025-08-22 | 272 -> 271 | 87.88 | |
| 2025-08-04 | 272 | 87.57 -> 87.88 | |
| 2025-08-03 | 267 -> 272 | 87.57 | |
| 2025-08-02 | 266 -> 267 | 87.57 | |
| 2025-07-26 | 263 -> 266 | 87.57 | |
| 2025-07-13 | 263 | 87.57 |
Agari Summer Tournament 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 429 |
|
45/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 367 |
|
20/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 3 | 20 |
|
51/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |