Alekseeva Olga
From Moscow, Russia
EMA: 15990342
Common russian riichi rating (CRR)
Rating date May 20, 2023 (latest changes May 20, 2023).
71 place (341.16).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
p1 = (672.73 * 3.30 * 0.43 + 813.33 * 3.45 * 0.57 + 361.70 * 3.10 * 0.57 + 0 + 0) / (3.30 * 0.43 + 3.45 * 0.57 + 3.10 * 0.57 + 1 + 1) = 446.4884274945682
p2 = (813.33 * 3.45 * 0.57 + 672.73 * 3.30 * 0.43 + 361.70 * 3.10 * 0.57) / max_coefficients = 235.83234010206604
score = 446.4884274945682 * 0.5 + 235.83234010206604 * 0.5 = 341.1603837983171
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-20 | 72 -> 71 | 336.97 -> 341.16 | |
2023-05-06 | 67 -> 72 | 355.24 -> 336.97 |
Kirov Tournament: 57% -> 43% |
2023-05-05 | 14 -> 67 | 650.54 -> 355.24 | |
2021-02-01 | 8 -> 14 | 755.76 -> 650.54 | |
2020-02-01 | 8 | 755.76 |