Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Internal rating (RR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
142 place (136.51).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (485.98 * 4 * 0.86 + 21.74 * 2.10 * 1 + 21.05 * 3.85 * 1 + 0 + 0) / (4 * 0.86 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 157.5652112775083
p2 = (485.98 * 4 * 0.86 + 21.05 * 3.85 * 1 + 21.74 * 2.10 * 1) / max_coefficients = 115.4555524072023
score = 157.5652112775083 * 0.5 + 115.4555524072023 * 0.5 = 136.5103818423553
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 144 -> 142 | 136.51 | |
| 2024-09-03 | 142 -> 144 | 150.94 -> 136.51 |
SPB Riichi Open 2023: 100% -> 86% |
| 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 |