Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date July 3, 2023 (latest changes July 3, 2023).
51 place (435.09).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (447.76 * 3.50 * 0.71 + 893.33 * 4.20 * 1 + 241.38 * 3.75 * 1 + 0 + 0) / (3.50 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 463.9820723611552
p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 0.71 + 241.38 * 3.75 * 1) / max_coefficients = 406.1948119206076
score = 463.9820723611552 * 0.5 + 406.1948119206076 * 0.5 = 435.0884421408814
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-03 | 52 -> 51 | 435.09 | |
2023-06-19 | 146 -> 52 | 318.09 -> 435.09 | |
2020-02-01 | 146 | 318.09 |