Alekseeva Olga
From Moscow, Russia
EMA: 15990342
Common russian riichi rating (CRR)
Rating date Nov. 4, 2025 (latest changes Nov. 4, 2025).
12 place (738.48).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (743.59 * 2.90 * 0.14 + 98.04 * 3.05 * 0.43 + 352.94 * 3.05 * 0.57 + 715.79 * 3.85 * 0.71 + 391.30 * 2.80 * 1 + 595.24 * 2.60 * 1 + 784.31 * 3.05 * 1 + 966.10 * 3.25 * 1 + 942.86 * 3.50 * 1 + 727.27 * 3.45 * 1) / (2.90 * 0.14 + 3.05 * 0.43 + 3.05 * 0.57 + 3.85 * 0.71 + 2.80 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 3.50 * 1 + 3.45 * 1) = 683.8763673378857
p2 = (942.86 * 3.50 * 1 + 966.10 * 3.25 * 1 + 727.27 * 3.45 * 1 + 784.31 * 3.05 * 1) / max_coefficients = 793.0825174825175
score = 683.8763673378857 * 0.5 + 793.0825174825175 * 0.5 = 738.4794424102015
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 13 -> 12 | 737.45 -> 738.48 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 14 -> 13 | 725.43 -> 737.45 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 14 | 722.63 -> 725.43 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-09-26 | 14 | 723.14 -> 722.63 |
Autumn Agari tournament: 29% -> 14% |
| 2025-09-12 | 15 -> 14 | 723.14 | |
| 2025-09-10 | 16 -> 15 | 718.40 -> 723.14 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 17 -> 16 | 717.44 -> 718.40 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 16 -> 17 | 719.79 -> 717.44 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 16 | 711.85 -> 719.79 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 17 -> 16 | 709.15 -> 711.85 |
Agari Summer Tournament 2024: 86% -> 71% |