Dubrovskaya Inga
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date Jan. 31, 2026 (latest changes Jan. 30, 2026).
309 place (23.70).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (21.28 * 2.80 * 0.43 + 130.43 * 2.20 * 0.57 + 0 + 0 + 0) / (2.80 * 0.43 + 2.20 * 0.57 + 1 + 1 + 1) = 34.72502180621422
p2 = (130.43 * 2.20 * 0.57 + 21.28 * 2.80 * 0.43) / max_coefficients = 12.675585284280936
score = 34.72502180621422 * 0.5 + 12.675585284280936 * 0.5 = 23.70030354524758
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-25 | 304 -> 309 | 23.70 | |
| 2026-01-15 | 303 -> 304 | 27.68 -> 23.70 |
Tails, money, two renchans: 71% -> 57% |
| 2026-01-14 | 303 | 27.36 -> 27.68 |
Guardian of the Winds: 57% -> 43% |
| 2026-01-07 | 301 -> 303 | 27.36 | |
| 2026-01-03 | 297 -> 301 | 27.36 | |
| 2025-12-27 | 292 -> 297 | 27.36 | |
| 2025-12-07 | 289 -> 292 | 27.36 | |
| 2025-12-06 | 284 -> 289 | 27.36 | |
| 2025-11-30 | 283 -> 284 | 27.36 | |
| 2025-11-25 | 284 -> 283 | 27.36 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 130 |
|
21/24 | 57% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
| 2 | 21 |
|
47/48 | 43% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |