Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Jan. 31, 2026 (latest changes Jan. 30, 2026).
82 place (485.82).
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 * 0.43 + 442.11 * 3.85 * 0.57 + 314.61 * 3.75 * 0.71 + 705.88 * 3.05 * 1 + 533.33 * 2 * 1 + 700 * 2.45 * 1 + 500 * 3 * 1) / (3.05 * 0.14 + 3.05 * 0.43 + 3.85 * 0.57 + 3.75 * 0.71 + 3.05 * 1 + 2 * 1 + 2.45 * 1 + 3 * 1) = 541.2283555440821
p2 = (705.88 * 3.05 * 1 + 700 * 2.45 * 1 + 500 * 3 * 1 + 533.33 * 2 * 1) / max_coefficients = 430.40869565217395
score = 541.2283555440821 * 0.5 + 430.40869565217395 * 0.5 = 485.818525598128
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2026-01-10 | 79 -> 78 | 485.43 -> 485.82 |
Agari Spring Tournament 2024: 29% -> 14% |
| 2026-01-07 | 86 -> 79 | 471.96 -> 485.43 |
Moscow Open Riichi Marathon 2026: 0% -> 100% |
| 2026-01-01 | 83 -> 86 | 478.15 -> 471.96 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-13 | 86 -> 83 | 474.21 -> 478.15 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-09 | 85 -> 86 | 475.17 -> 474.21 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-07 | 83 -> 85 | 475.17 |