Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Sept. 21, 2026 (latest changes Sept. 17, 2026).
138 place (400.97).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (314.61 * 3.75 * 0.14 + 705.88 * 3.05 * 0.43 + 533.33 * 2 * 0.71 + 700 * 2.45 * 0.71 + 500 * 3 * 1 + 320 * 3.10 * 1) / (3.75 * 0.14 + 3.05 * 0.43 + 2 * 0.71 + 2.45 * 0.71 + 3 * 1 + 3.10 * 1) = 500.84609062970355
p2 = (500 * 3 * 1 + 700 * 2.45 * 0.71 + 320 * 3.10 * 1 + 705.88 * 3.05 * 0.43) / max_coefficients = 301.0882543802726
score = 500.84609062970355 * 0.5 + 301.0882543802726 * 0.5 = 400.96717250498807
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-13 | 134 -> 138 | 411.95 -> 400.97 |
Agari Summer Tournament 2025: 86% -> 71% |
| 2026-09-06 | 132 -> 134 | 411.95 | |
| 2026-09-01 | 137 -> 132 | 410.47 -> 411.95 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 137 | 409.96 -> 410.47 | |
| 2026-08-30 | 134 -> 137 | 409.96 | |
| 2026-08-16 | 130 -> 134 | 409.96 | |
| 2026-08-15 | 131 -> 130 | 408.80 -> 409.96 | |
| 2026-08-13 | 137 -> 131 | 404.76 -> 408.80 |
Moscow Riichi 2024: 29% -> 14% |
| 2026-08-08 | 137 | 405.18 -> 404.76 |
Random not fault: 86% -> 71% |
| 2026-08-02 | 130 -> 137 | 418.48 -> 405.18 |
Agari Winter Tournament 2025: 57% -> 43% |