Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Aug. 5, 2025 (latest changes Aug. 4, 2025).
75 place (497.70).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (345.79 * 4 * 0.14 + 538.46 * 2.90 * 0.29 + 509.80 * 3.05 * 0.57 + 607.84 * 3.05 * 0.86 + 442.11 * 3.85 * 1 + 314.61 * 3.75 * 1 + 705.88 * 3.05 * 1 + 533.33 * 2 * 1 + 700 * 2.45 * 1) / (4 * 0.14 + 2.90 * 0.29 + 3.05 * 0.57 + 3.05 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 2 * 1 + 2.45 * 1) = 524.4153596948371
p2 = (705.88 * 3.05 * 1 + 700 * 2.45 * 1 + 442.11 * 3.85 * 1 + 607.84 * 3.05 * 0.86) / max_coefficients = 470.9901315789474
score = 524.4153596948371 * 0.5 + 470.9901315789474 * 0.5 = 497.70274563689225
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-04 | 76 -> 75 | 495.40 -> 497.70 | |
| 2025-07-26 | 76 | 495.54 -> 495.40 |
Autumn Agari tournament: 43% -> 29% |
| 2025-07-14 | 77 -> 76 | 495.54 | |
| 2025-07-13 | 85 -> 77 | 466.69 -> 495.54 |
Agari Summer Tournament 2025: 0% -> 100% |
| 2025-07-12 | 88 -> 85 | 462.66 -> 466.69 | |
| 2025-07-10 | 88 | 462.75 -> 462.66 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-07-05 | 89 -> 88 | 462.75 | |
| 2025-07-03 | 89 | 460.50 -> 462.75 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 85 -> 89 | 466.77 -> 460.50 | |
| 2025-06-14 | 83 -> 85 | 466.77 |