Alekseeva Olga
From Moscow, Russia
EMA: 15990342
Common russian riichi rating (CRR)
Rating date Sept. 15, 2025 (latest changes Sept. 15, 2025).
14 place (723.14).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (743.59 * 2.90 * 0.29 + 98.04 * 3.05 * 0.43 + 352.94 * 3.05 * 0.71 + 715.79 * 3.85 * 0.86 + 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 * 0.29 + 3.05 * 0.43 + 3.05 * 0.71 + 3.85 * 0.86 + 2.80 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 3.50 * 1 + 3.45 * 1) = 679.9941821969899
p2 = (942.86 * 3.50 * 1 + 966.10 * 3.25 * 1 + 727.27 * 3.45 * 1 + 784.31 * 3.05 * 1) / max_coefficients = 766.2891891891892
score = 679.9941821969899 * 0.5 + 766.2891891891892 * 0.5 = 723.1416856930896
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2025-08-04 | 17 | 705.42 -> 709.15 | |
2025-08-03 | 16 -> 17 | 705.42 | |
2025-07-26 | 16 | 706.14 -> 705.42 |
Autumn Agari tournament: 43% -> 29% |
2025-07-19 | 17 -> 16 | 706.14 |