Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date July 3, 2025 (latest changes July 3, 2025).
89 place (462.75).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (345.79 * 4 * 0.14 + 538.46 * 2.90 * 0.43 + 509.80 * 3.05 * 0.71 + 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) / (4 * 0.14 + 2.90 * 0.43 + 3.05 * 0.71 + 3.05 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 2 * 1) = 502.0488323654758
p2 = (705.88 * 3.05 * 1 + 442.11 * 3.85 * 1 + 607.84 * 3.05 * 0.86 + 314.61 * 3.75 * 1) / max_coefficients = 423.44652380093925
score = 502.0488323654758 * 0.5 + 423.44652380093925 * 0.5 = 462.7476780832075
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-06-09 | 81 -> 83 | 476.67 -> 466.77 |
Agari Summer Tournament 2024: 100% -> 86% |
| 2025-06-08 | 81 | 474.84 -> 476.67 |
Random not fault: 0% -> 100% |
| 2025-05-26 | 82 -> 81 | 475.31 -> 474.84 |
Autumn Agari tournament: 57% -> 43% |
| 2025-05-12 | 85 -> 82 | 465.91 -> 475.31 | |
| 2025-05-10 | 83 -> 85 | 470.88 -> 465.91 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 80 -> 83 | 468.67 -> 470.88 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-11 | 81 -> 80 | 468.67 |