Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Oct. 4, 2025 (latest changes Oct. 4, 2025).
81 place (489.93).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (509.80 * 3.05 * 0.43 + 700 * 2.45 * 1 + 314.61 * 3.75 * 1 + 607.84 * 3.05 * 0.71 + 442.11 * 3.85 * 0.86 + 705.88 * 3.05 * 1 + 533.33 * 2 * 1 + 538.46 * 2.90 * 0.14) / (3.05 * 0.43 + 2.45 * 1 + 3.75 * 1 + 3.05 * 0.71 + 3.85 * 0.86 + 3.05 * 1 + 2 * 1 + 2.90 * 0.14) = 530.4629950314605
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 = 530.4629950314605 * 0.5 + 449.3966216216216 * 0.5 = 489.9298083265411
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-04 | 80 -> 81 | 489.93 | |
| 2025-09-26 | 80 | 490.02 -> 489.93 |
Autumn Agari tournament: 29% -> 14% |
| 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 |