Dubrovskaya Inga
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date Nov. 20, 2025 (latest changes Nov. 19, 2025).
284 place (27.36).
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 * 0.57 + 130.43 * 2.20 * 0.71 + 0 + 0 + 0) / (2.80 * 0.57 + 2.20 * 0.71 + 1 + 1 + 1) = 38.72877703204146
p2 = (130.43 * 2.20 * 0.71 + 21.28 * 2.80 * 0.57) / max_coefficients = 15.987290969899666
score = 38.72877703204146 * 0.5 + 15.987290969899666 * 0.5 = 27.358034000970562
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-15 | 284 | 30.95 -> 27.36 |
Tails, money, two renchans: 86% -> 71% |
| 2025-11-14 | 284 | 30.60 -> 30.95 |
Guardian of the Winds: 71% -> 57% |
| 2025-11-04 | 280 -> 284 | 31.04 -> 30.60 | |
| 2025-11-01 | 280 | 31.00 -> 31.04 | |
| 2025-10-22 | 282 -> 280 | 31.00 | |
| 2025-10-13 | 282 | 30.70 -> 31.00 | |
| 2025-09-15 | 281 -> 282 | 34.01 -> 30.70 |
Tails, money, two renchans: 100% -> 86% |
| 2025-09-14 | 281 | 33.66 -> 34.01 |
Guardian of the Winds: 86% -> 71% |
| 2025-09-03 | 292 -> 281 | 33.66 | |
| 2025-09-01 | 292 | 33.36 -> 33.66 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 130 |
|
21/24 | 71% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
| 2 | 21 |
|
47/48 | 57% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |