Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date March 6, 2024 (latest changes March 6, 2024).
89 place (314.59).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (447.76 * 3.50 * 0.14 + 893.33 * 4.20 * 0.57 + 241.38 * 3.75 * 1 + 0 + 0) / (3.50 * 0.14 + 4.20 * 0.57 + 3.75 * 1 + 1 + 1) = 378.38134665428896
p2 = (893.33 * 4.20 * 0.57 + 241.38 * 3.75 * 1 + 447.76 * 3.50 * 0.14) / max_coefficients = 250.80767026210202
score = 378.38134665428896 * 0.5 + 250.80767026210202 * 0.5 = 314.5945084581955
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 82 -> 89 | 345.43 -> 314.59 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-27 | 84 -> 82 | 345.43 | |
| 2024-02-25 | 81 -> 84 | 345.43 | |
| 2024-02-12 | 82 -> 81 | 345.43 | |
| 2024-01-20 | 81 -> 82 | 354.55 -> 345.43 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 74 -> 81 | 381.03 -> 354.55 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-12 | 75 -> 74 | 381.03 | |
| 2023-11-28 | 79 -> 75 | 381.03 | |
| 2023-11-26 | 73 -> 79 | 382.16 -> 381.03 | |
| 2023-11-20 | 71 -> 73 | 390.22 -> 382.16 |
Tenpai can't buy happiness: 43% -> 29% |