Dubrovskaya Inga
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date Aug. 29, 2025 (latest changes Aug. 27, 2025).
287 place (33.36).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (21.28 * 2.80 * 0.86 + 130.43 * 2.20 * 1 + 0 + 0 + 0) / (2.80 * 0.86 + 2.20 * 1 + 1 + 1 + 1) = 44.477018058179866
p2 = (130.43 * 2.20 * 1 + 21.28 * 2.80 * 0.86) / max_coefficients = 22.23815789473684
score = 44.477018058179866 * 0.5 + 22.23815789473684 * 0.5 = 33.357587976458355
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-26 | 289 -> 287 | 33.36 | |
2025-08-25 | 290 -> 289 | 33.36 | |
2025-08-04 | 290 | 33.25 -> 33.36 | |
2025-08-03 | 285 -> 290 | 33.25 | |
2025-08-02 | 284 -> 285 | 33.25 | |
2025-07-26 | 279 -> 284 | 33.25 | |
2025-07-14 | 279 | 32.95 -> 33.25 |
Guardian of the Winds: 100% -> 86% |
2025-07-13 | 276 -> 279 | 32.95 | |
2025-07-12 | 276 | 32.73 -> 32.95 | |
2025-07-03 | 277 -> 276 | 32.73 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
---|---|---|---|---|---|---|---|---|---|
1 | 130 |
|
21/24 | 100% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
2 | 21 |
|
47/48 | 86% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |