Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).
82 place (490.35).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (538.46 * 2.90 * 0.14 + 509.80 * 3.05 * 0.43 + 607.84 * 3.05 * 0.57 + 442.11 * 3.85 * 0.86 + 314.61 * 3.75 * 0.86 + 705.88 * 3.05 * 1 + 533.33 * 2 * 1 + 700 * 2.45 * 1) / (2.90 * 0.14 + 3.05 * 0.43 + 3.05 * 0.57 + 3.85 * 0.86 + 3.75 * 0.86 + 3.05 * 1 + 2 * 1 + 2.45 * 1) = 535.1511611208597
p2 = (705.88 * 3.05 * 1 + 700 * 2.45 * 1 + 442.11 * 3.85 * 0.86 + 533.33 * 2 * 1) / max_coefficients = 445.54379893566716
score = 535.1511611208597 * 0.5 + 445.54379893566716 * 0.5 = 490.3474800282634
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-13 | 82 | 484.11 -> 490.35 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 81 -> 82 | 489.93 -> 484.11 |
Agari Summer Tournament 2024: 71% -> 57% |
| 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 |