Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date Nov. 7, 2022 (latest changes Nov. 7, 2022).
46 place (423.53).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
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 = 349.94473684210527
score = 497.11775700934584 * 0.5 + 349.94473684210527 * 0.5 = 423.53124692572555
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 146 -> 46 | 318.09 -> 423.53 |
IX Russian Riichi Championship: 0% -> 100% |
2020-02-01 | 146 | 318.09 |