Ushakova Elena
From Moscow, Russia
EMA: 15990093
Common russian riichi rating (CRR)
Rating date Aug. 6, 2025 (latest changes Aug. 4, 2025).
227 place (191.53).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (368.42 * 1.50 * 0.71 + 529.41 * 3.05 * 0.86 + 0 + 0 + 0) / (1.50 * 0.71 + 3.05 * 0.86 + 1 + 1 + 1) = 266.04922067636363
p2 = (529.41 * 3.05 * 0.86 + 368.42 * 1.50 * 0.71) / max_coefficients = 117.01973684210527
score = 266.04922067636363 * 0.5 + 117.01973684210527 * 0.5 = 191.53447875923445
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-07-25 | 218 -> 222 | 195.12 -> 190.96 |
Duplicate riichi mahjong tournament 2024: 86% -> 71% |
| 2025-07-13 | 214 -> 218 | 195.12 | |
| 2025-07-12 | 213 -> 214 | 193.99 -> 195.12 | |
| 2025-07-10 | 214 -> 213 | 193.99 | |
| 2025-07-03 | 217 -> 214 | 193.99 | |
| 2025-06-27 | 218 -> 217 | 193.99 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 529 |
|
25/52 | 86% | 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 |