Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Nov. 28, 2025 (latest changes Nov. 26, 2025).
81 place (475.17).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (509.80 * 3.05 * 0.29 + 607.84 * 3.05 * 0.57 + 442.11 * 3.85 * 0.71 + 314.61 * 3.75 * 0.86 + 705.88 * 3.05 * 1 + 533.33 * 2 * 1 + 700 * 2.45 * 1) / (3.05 * 0.29 + 3.05 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 3.05 * 1 + 2 * 1 + 2.45 * 1) = 538.9351571540212
p2 = (705.88 * 3.05 * 1 + 700 * 2.45 * 1 + 442.11 * 3.85 * 0.71 + 533.33 * 2 * 1) / max_coefficients = 411.39933110367895
score = 538.9351571540212 * 0.5 + 411.39933110367895 * 0.5 = 475.1672441288501
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-25 | 81 | 475.16 -> 475.17 | |
| 2025-11-22 | 80 -> 81 | 475.16 | |
| 2025-11-14 | 81 -> 80 | 475.16 | |
| 2025-11-12 | 85 -> 81 | 475.16 | |
| 2025-11-10 | 85 | 474.79 -> 475.16 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 82 -> 85 | 484.14 -> 474.79 | |
| 2025-11-01 | 81 -> 82 | 490.35 -> 484.14 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-27 | 82 -> 81 | 490.35 | |
| 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% |