Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date May 17, 2026 (latest changes May 17, 2026).
96 place (450.12).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (607.84 * 3.05 * 0.14 + 442.11 * 3.85 * 0.29 + 314.61 * 3.75 * 0.43 + 705.88 * 3.05 * 0.71 + 533.33 * 2 * 1 + 700 * 2.45 * 1 + 500 * 3 * 1 + 320 * 3.10 * 1) / (3.05 * 0.14 + 3.85 * 0.29 + 3.75 * 0.43 + 3.05 * 0.71 + 2 * 1 + 2.45 * 1 + 3 * 1 + 3.10 * 1) = 508.3521535718865
p2 = (700 * 2.45 * 1 + 705.88 * 3.05 * 0.71 + 500 * 3 * 1 + 533.33 * 2 * 1) / max_coefficients = 391.88686868686875
score = 508.3521535718865 * 0.5 + 391.88686868686875 * 0.5 = 450.11951112937766
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-15 | 97 -> 96 | 450.12 | |
| 2026-05-14 | 98 -> 97 | 450.12 | |
| 2026-05-07 | 99 -> 98 | 450.12 | |
| 2026-05-03 | 101 -> 99 | 448.81 -> 450.12 | |
| 2026-05-02 | 102 -> 101 | 448.81 | |
| 2026-05-01 | 105 -> 102 | 447.70 -> 448.81 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-19 | 101 -> 105 | 447.70 | |
| 2026-04-16 | 102 -> 101 | 447.70 | |
| 2026-04-13 | 103 -> 102 | 444.67 -> 447.70 |
Moscow Riichi 2024: 57% -> 43% |
| 2026-04-11 | 102 -> 103 | 444.67 |