Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date Sept. 1, 2025 (latest changes Sept. 1, 2025).
87 place (487.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (345.79 * 4 * 0.14 + 538.46 * 2.90 * 0.29 + 509.80 * 3.05 * 0.57 + 607.84 * 3.05 * 0.71 + 442.11 * 3.85 * 0.86 + 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 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.05 * 1 + 2 * 1 + 2.45 * 1) = 524.8651953692124
p2 = (705.88 * 3.05 * 1 + 700 * 2.45 * 1 + 442.11 * 3.85 * 0.86 + 607.84 * 3.05 * 0.71) / max_coefficients = 449.3966216216216
score = 524.8651953692124 * 0.5 + 449.3966216216216 * 0.5 = 487.130908495417
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-01 | 85 -> 87 | 488.10 -> 487.13 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 78 -> 85 | 488.10 | |
| 2025-08-09 | 75 -> 78 | 497.70 -> 488.10 |
Agari Summer Tournament 2024: 86% -> 71% |
| 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 |