Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date Dec. 8, 2022 (latest changes Dec. 8, 2022).
45 place (427.66).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 1 + 0 + 0 + 0) / (4.20 * 1 + 3.50 * 1 + 1 + 1 + 1) = 497.11775700934584
p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 1) / max_coefficients = 358.1925925925926
score = 497.11775700934584 * 0.5 + 358.1925925925926 * 0.5 = 427.65517480096923
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-03 | 146 -> 45 | 318.09 -> 427.66 | |
2020-02-01 | 146 | 318.09 |