Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Internal rating (RR)
Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).
153 place (117.90).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (485.98 * 4 * 0.71 + 21.74 * 2.10 * 1 + 21.05 * 3.85 * 1 + 0 + 0) / (4 * 0.71 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 140.20745428973277
p2 = (485.98 * 4 * 0.71 + 21.05 * 3.85 * 1 + 21.74 * 2.10 * 1) / max_coefficients = 95.5993690851735
score = 140.20745428973277 * 0.5 + 95.5993690851735 * 0.5 = 117.90341168745314
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-06 | 159 -> 153 | 117.90 | |
| 2024-11-03 | 155 -> 159 | 135.34 -> 117.90 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 142 -> 155 | 136.51 -> 135.34 | |
| 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 |