Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Nov. 26, 2023 (latest changes Nov. 26, 2023).
87 place (355.20).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (410.26 * 1.80 * 0.71 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 485.98 * 4 * 1 + 0) / (1.80 * 0.71 + 1.80 * 1 + 1.40 * 1 + 4 * 1 + 1) = 426.49281974838027
p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.71 + 96.77 * 1.80 * 1) / max_coefficients = 283.9053405586878
score = 426.49281974838027 * 0.5 + 283.9053405586878 * 0.5 = 355.19908015353406
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-26 | 83 -> 87 | 356.20 -> 355.20 | |
| 2023-11-20 | 85 -> 83 | 356.20 | |
| 2023-11-09 | 86 -> 85 | 356.20 | |
| 2023-11-06 | 40 -> 86 | 465.75 -> 356.20 | |
| 2021-02-01 | 38 -> 40 | 593.89 -> 465.75 | |
| 2020-02-01 | 38 | 593.89 |