Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Internal rating (RR)
Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).
142 place (150.94).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998
p1 = (485.98 * 4 * 1 + 21.74 * 2.10 * 1 + 21.05 * 3.85 * 1 + 0 + 0) / (4 * 1 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 173.2744769874477
p2 = (485.98 * 4 * 1 + 21.05 * 3.85 * 1 + 21.74 * 2.10 * 1) / max_coefficients = 128.6105590062112
score = 173.2744769874477 * 0.5 + 128.6105590062112 * 0.5 = 150.94251799682945
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-01 | 127 -> 142 | 174.34 -> 150.94 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-11 | 126 -> 127 | 173.65 -> 174.34 | |
| 2024-08-04 | 123 -> 126 | 176.24 -> 173.65 | |
| 2024-07-14 | 119 -> 123 | 176.24 | |
| 2024-07-06 | 121 -> 119 | 176.24 | |
| 2024-06-11 | 129 -> 121 | 173.91 -> 176.24 | |
| 2024-06-09 | 117 -> 129 | 173.91 | |
| 2024-05-12 | 93 -> 117 | 186.43 -> 173.91 | |
| 2024-05-06 | 98 -> 93 | 184.68 -> 186.43 | |
| 2024-04-12 | 99 -> 98 | 184.68 |