Proskuriakova Olga
From Moscow, Russia
EMA: 15990193
Common russian riichi rating (CRR)
Rating date June 6, 2025 (latest changes May 30, 2025).
81 place (474.84).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (345.79 * 4 * 0.29 + 538.46 * 2.90 * 0.43 + 509.80 * 3.05 * 0.71 + 607.84 * 3.05 * 1 + 442.11 * 3.85 * 1 + 314.61 * 3.75 * 1 + 705.88 * 3.05 * 1) / (4 * 0.29 + 2.90 * 0.43 + 3.05 * 0.71 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1) = 496.2600650283023
p2 = (705.88 * 3.05 * 1 + 607.84 * 3.05 * 1 + 442.11 * 3.85 * 1 + 314.61 * 3.75 * 1) / max_coefficients = 453.4261939647172
score = 496.2600650283023 * 0.5 + 453.4261939647172 * 0.5 = 474.84312949650973
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-03-26 | 81 | 469.14 -> 468.67 |
Autumn Agari tournament: 71% -> 57% |
| 2025-03-10 | 79 -> 81 | 476.32 -> 469.14 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 80 -> 79 | 474.31 -> 476.32 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 76 -> 80 | 474.31 | |
| 2025-02-25 | 77 -> 76 | 474.31 |