Ushakova Elena
From Moscow, Russia
EMA: 15990093
Common russian riichi rating (CRR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
263 place (124.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (368.42 * 1.50 * 0.43 + 529.41 * 3.05 * 0.43 + 0 + 0 + 0) / (1.50 * 0.43 + 3.05 * 0.43 + 1 + 1 + 1) = 187.6556777296758
p2 = (529.41 * 3.05 * 0.43 + 368.42 * 1.50 * 0.43) / max_coefficients = 62.13511705685619
score = 187.6556777296758 * 0.5 + 62.13511705685619 * 0.5 = 124.895397393266
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-09 | 249 -> 263 | 146.43 -> 124.90 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-07 | 248 -> 249 | 146.43 | |
| 2025-12-06 | 245 -> 248 | 146.43 | |
| 2025-11-25 | 244 -> 245 | 151.99 -> 146.43 |
Duplicate riichi mahjong tournament 2024: 57% -> 43% |
| 2025-11-15 | 245 -> 244 | 151.99 | |
| 2025-11-14 | 246 -> 245 | 151.99 | |
| 2025-11-04 | 239 -> 246 | 153.88 -> 151.99 | |
| 2025-11-01 | 240 -> 239 | 153.73 -> 153.88 | |
| 2025-10-13 | 240 | 152.41 -> 153.73 | |
| 2025-10-09 | 231 -> 240 | 171.34 -> 152.41 |
Agari Summer Tournament 2024: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 529 |
|
25/52 | 43% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 2 | 368 |
|
13/20 | 43% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 | Moscow | |
| 3 | 48 |
|
61/64 | 0% | 3.15 | EMA | Russian Open Riichi Championship 2014 | Moscow |