Ushakova Elena
From Moscow, Russia
EMA: 15990093
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
231 place (176.15).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (368.42 * 1.50 * 0.71 + 529.41 * 3.05 * 0.71 + 0 + 0 + 0) / (1.50 * 0.71 + 3.05 * 0.71 + 1 + 1 + 1) = 247.69662395511088
p2 = (529.41 * 3.05 * 0.71 + 368.42 * 1.50 * 0.71) / max_coefficients = 104.6027027027027
score = 247.69662395511088 * 0.5 + 104.6027027027027 * 0.5 = 176.1496633289068
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 238 -> 231 | 176.15 | |
| 2025-09-01 | 238 | 174.77 -> 176.15 | |
| 2025-08-31 | 234 -> 238 | 174.77 | |
| 2025-08-25 | 236 -> 234 | 174.77 | |
| 2025-08-22 | 237 -> 236 | 174.77 | |
| 2025-08-09 | 227 -> 237 | 191.53 -> 174.77 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 227 | 190.96 -> 191.53 | |
| 2025-08-03 | 223 -> 227 | 190.96 | |
| 2025-07-30 | 224 -> 223 | 190.96 | |
| 2025-07-26 | 222 -> 224 | 190.96 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 529 |
|
25/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 2 | 368 |
|
13/20 | 71% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 | Moscow | |
| 3 | 48 |
|
61/64 | 0% | 3.15 | EMA | Russian Open Riichi Championship 2014 | Moscow |