Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date Nov. 10, 2023 (latest changes Nov. 10, 2023).
70 place (390.22).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (447.76 * 3.50 * 0.43 + 893.33 * 4.20 * 0.86 + 241.38 * 3.75 * 1 + 0 + 0) / (3.50 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 441.7267592756444
p2 = (893.33 * 4.20 * 0.86 + 241.38 * 3.75 * 1 + 447.76 * 3.50 * 0.43) / max_coefficients = 338.7110224723707
score = 441.7267592756444 * 0.5 + 338.7110224723707 * 0.5 = 390.21889087400757
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-06 | 142 -> 70 | 318.09 -> 390.22 |
IX Russian Riichi Championship: 100% -> 86% |
| 2020-02-01 | 142 | 318.09 |