Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Sept. 15, 2025 (latest changes Sept. 15, 2025).
80 place (490.02).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (538.46 * 2.90 * 0.29 + 509.80 * 3.05 * 0.43 + 607.84 * 3.05 * 0.71 + 442.11 * 3.85 * 0.86 + 314.61 * 3.75 * 1 + 705.88 * 3.05 * 1 + 533.33 * 2 * 1 + 700 * 2.45 * 1) / (2.90 * 0.29 + 3.05 * 0.43 + 3.05 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.05 * 1 + 2 * 1 + 2.45 * 1) = 530.638706842216
p2 = (705.88 * 3.05 * 1 + 700 * 2.45 * 1 + 442.11 * 3.85 * 0.86 + 607.84 * 3.05 * 0.71) / max_coefficients = 449.3966216216216
score = 530.638706842216 * 0.5 + 449.3966216216216 * 0.5 = 490.01766423191884
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-14 | 82 -> 80 | 490.02 | |
| 2025-09-12 | 84 -> 82 | 490.02 | |
| 2025-09-10 | 84 | 489.78 -> 490.02 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 87 -> 84 | 487.13 -> 489.78 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 85 -> 87 | 488.10 -> 487.13 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 78 -> 85 | 488.10 | |
| 2025-08-09 | 75 -> 78 | 497.70 -> 488.10 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 76 -> 75 | 495.40 -> 497.70 | |
| 2025-07-26 | 76 | 495.54 -> 495.40 |
Autumn Agari tournament: 43% -> 29% |
| 2025-07-14 | 77 -> 76 | 495.54 |