Ledneva Darya
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Sept. 22, 2026 (latest changes Sept. 17, 2026).
221 place (279.01).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (19.61 * 3.05 * 0.43 + 366.67 * 2.45 * 0.71 + 428.57 * 3.45 * 0.86 + 421.05 * 2.25 * 1 + 405.41 * 3.40 * 1 + 74.07 * 2.45 * 1 + 152.54 * 3.40 * 1) / (3.05 * 0.43 + 2.45 * 0.71 + 3.45 * 0.86 + 2.25 * 1 + 3.40 * 1 + 2.45 * 1 + 3.40 * 1) = 283.2240699863996
p2 = (405.41 * 3.40 * 1 + 428.57 * 3.45 * 0.86 + 421.05 * 2.25 * 1 + 366.67 * 2.45 * 0.71) / max_coefficients = 274.80272550292017
score = 283.2240699863996 * 0.5 + 274.80272550292017 * 0.5 = 279.01339774465987
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-13 | 217 -> 221 | 283.99 -> 279.01 |
Agari Summer Tournament 2025: 86% -> 71% |
| 2026-09-07 | 218 -> 217 | 283.99 | |
| 2026-09-06 | 214 -> 218 | 283.99 | |
| 2026-09-02 | 215 -> 214 | 283.99 | |
| 2026-08-31 | 206 -> 215 | 292.30 -> 283.99 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-30 | 204 -> 206 | 292.30 | |
| 2026-08-27 | 203 -> 204 | 292.30 | |
| 2026-08-16 | 185 -> 203 | 307.78 -> 292.30 |
Ufa Championship 2026: 0% -> 100% |
| 2026-08-15 | 187 -> 185 | 306.69 -> 307.78 | |
| 2026-08-13 | 189 -> 187 | 306.69 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 153 |
|
51/60 | 100% | 3.40 | RR | Ufa Championship 2026 | Ufa | |
| 2 | 74 |
|
26/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 3 | 405 |
|
45/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 4 | 421 |
|
12/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov | |
| 5 | 429 |
|
45/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 6 | 367 |
|
20/31 | 71% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 7 | 20 |
|
51/52 | 43% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |