Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date July 20, 2023 (latest changes July 20, 2023).
51 place (427.55).
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 * 0.57 + 241.38 * 3.75 * 1 + 893.33 * 4.20 * 1 + 0 + 0) / (3.50 * 0.57 + 3.75 * 1 + 4.20 * 1 + 1 + 1) = 464.66079214052
p2 = (893.33 * 4.20 * 1 + 241.38 * 3.75 * 1 + 447.76 * 3.50 * 0.57) / max_coefficients = 390.4472565888172
score = 464.66079214052 * 0.5 + 390.4472565888172 * 0.5 = 427.55402436466863
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-20 | 48 -> 51 | 435.09 -> 427.55 |
Tenpai can't buy happiness: 71% -> 57% |
| 2023-07-06 | 51 -> 48 | 435.09 | |
| 2023-07-03 | 52 -> 51 | 435.09 | |
| 2023-06-12 | 52 | 427.15 -> 435.09 | |
| 2023-06-11 | 45 -> 52 | 430.86 -> 427.15 |
Money can not buy tenpai: 0% -> 100% |
| 2023-05-28 | 47 -> 45 | 430.86 | |
| 2023-05-20 | 44 -> 47 | 431.10 -> 430.86 |
Tenpai can't buy happiness: 86% -> 71% |
| 2023-05-06 | 46 -> 44 | 431.10 | |
| 2023-05-01 | 44 -> 46 | 431.10 | |
| 2023-04-22 | 42 -> 44 | 431.10 |