Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
43 place (465.75).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (692.31 * 2.90 * 0.43 + 720.72 * 4.05 * 0.86 + 571.43 * 3.45 * 0.71 + 0 + 0) / (2.90 * 0.43 + 4.05 * 0.86 + 3.45 * 0.71 + 1 + 1) = 519.7455365946398
p2 = (720.72 * 4.05 * 0.86 + 571.43 * 3.45 * 0.71 + 692.31 * 2.90 * 0.43) / max_coefficients = 411.75955244615216
score = 519.7455365946398 * 0.5 + 411.75955244615216 * 0.5 = 465.752544520396
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 41 -> 43 | 593.89 -> 465.75 | |
| 2020-02-01 | 41 | 593.89 |