Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date April 6, 2026 (latest changes April 5, 2026).
101 place (446.02).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (607.84 * 3.05 * 0.29 + 442.11 * 3.85 * 0.43 + 314.61 * 3.75 * 0.57 + 705.88 * 3.05 * 0.71 + 533.33 * 2 * 1 + 700 * 2.45 * 1 + 500 * 3 * 1 + 320 * 3.10 * 1) / (3.05 * 0.29 + 3.85 * 0.43 + 3.75 * 0.57 + 3.05 * 0.71 + 2 * 1 + 2.45 * 1 + 3 * 1 + 3.10 * 1) = 502.7827510829156
p2 = (700 * 2.45 * 1 + 705.88 * 3.05 * 0.71 + 500 * 3 * 1 + 533.33 * 2 * 1) / max_coefficients = 389.26555183946493
score = 502.7827510829156 * 0.5 + 389.26555183946493 * 0.5 = 446.0241514611903
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-05 | 90 -> 101 | 465.85 -> 446.02 |
Moscow Riichi 2026: 0% -> 100% |
| 2026-04-04 | 91 -> 90 | 465.85 | |
| 2026-04-02 | 86 -> 91 | 478.55 -> 465.85 |
Agari Winter Tournament 2025: 86% -> 71% |
| 2026-03-21 | 87 -> 86 | 478.55 | |
| 2026-03-14 | 86 -> 87 | 478.55 | |
| 2026-03-10 | 86 | 478.01 -> 478.55 |
Agari Spring Tournament 2024: 14% -> 0% |
| 2026-03-02 | 90 -> 86 | 478.01 | |
| 2026-03-01 | 93 -> 90 | 476.19 -> 478.01 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-27 | 94 -> 93 | 476.19 | |
| 2026-02-23 | 87 -> 94 | 476.19 |