Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).
46 place (429.40).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995
p1 = (447.76 * 3.50 * 1 + 893.33 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 1 + 4.20 * 1 + 1 + 1 + 1) = 497.11775700934584
p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 1) / max_coefficients = 361.6755156304874
score = 497.11775700934584 * 0.5 + 361.6755156304874 * 0.5 = 429.39663631991664
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-19 | 48 -> 46 | 427.66 -> 429.40 | |
2022-12-18 | 45 -> 48 | 427.66 | |
2022-12-03 | 146 -> 45 | 318.09 -> 427.66 | |
2020-02-01 | 146 | 318.09 |