Alekseeva Olga
From Moscow, Russia
EMA: 15990342
Common russian riichi rating (CRR)
Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).
76 place (444.77).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (98.04 * 3.05 * 1 + 352.94 * 3.05 * 1 + 579.44 * 4 * 0.57 + 743.59 * 2.90 * 0.86 + 715.79 * 3.85 * 1 + 292.13 * 3.75 * 1 + 391.30 * 2.80 * 1) / (3.05 * 1 + 3.05 * 1 + 4 * 0.57 + 2.90 * 0.86 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1) = 446.38170219907767
p2 = (715.79 * 3.85 * 1 + 743.59 * 2.90 * 0.86 + 579.44 * 4 * 0.57 + 391.30 * 2.80 * 1) / max_coefficients = 443.1589905362776
score = 446.38170219907767 * 0.5 + 443.1589905362776 * 0.5 = 444.77034636767763
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-03 | 76 | 456.96 -> 444.77 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-27 | 77 -> 76 | 456.96 | |
| 2024-12-01 | 75 -> 77 | 461.26 -> 456.96 |
Riichi never changing: 0% -> 100% |
| 2024-11-26 | 71 -> 75 | 474.02 -> 461.26 |
Autumn Agari tournament: 100% -> 86% |
| 2024-11-05 | 73 -> 71 | 474.02 | |
| 2024-11-03 | 72 -> 73 | 486.10 -> 474.02 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 62 -> 72 | 510.94 -> 486.10 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 63 -> 62 | 510.94 | |
| 2024-09-15 | 62 -> 63 | 510.94 | |
| 2024-09-03 | 61 -> 62 | 513.32 -> 510.94 |
SPB Riichi Open 2023: 100% -> 86% |