Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Feb. 22, 2026 (latest changes Feb. 16, 2026).
87 place (476.19).
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 * 0.14 + 607.84 * 3.05 * 0.29 + 442.11 * 3.85 * 0.57 + 314.61 * 3.75 * 0.57 + 705.88 * 3.05 * 0.86 + 533.33 * 2 * 1 + 700 * 2.45 * 1 + 500 * 3 * 1) / (3.05 * 0.14 + 3.05 * 0.29 + 3.85 * 0.57 + 3.75 * 0.57 + 3.05 * 0.86 + 2 * 1 + 2.45 * 1 + 3 * 1) = 542.5427285498146
p2 = (705.88 * 3.05 * 0.86 + 700 * 2.45 * 1 + 500 * 3 * 1 + 533.33 * 2 * 1) / max_coefficients = 409.83010033444816
score = 542.5427285498146 * 0.5 + 409.83010033444816 * 0.5 = 476.18641444213137
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-02-16 | 88 -> 87 | 476.19 | |
| 2026-02-13 | 89 -> 88 | 472.43 -> 476.19 |
Moscow Riichi 2024: 71% -> 57% |
| 2026-02-09 | 89 | 473.38 -> 472.43 |
Agari Summer Tournament 2024: 43% -> 29% |
| 2026-02-08 | 87 -> 89 | 473.38 | |
| 2026-02-04 | 88 -> 87 | 473.38 | |
| 2026-02-02 | 82 -> 88 | 485.82 -> 473.38 |
Agari Winter Tournament 2025: 100% -> 86% |
| 2026-01-26 | 83 -> 82 | 485.82 | |
| 2026-01-25 | 76 -> 83 | 485.82 | |
| 2026-01-14 | 77 -> 76 | 485.82 | |
| 2026-01-12 | 78 -> 77 | 485.82 |