Datkov Sergey
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
127 place (285.13).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (578.95 * 2.10 * 1 + 296.30 * 2.30 * 1 + 555.56 * 2.30 * 1 + 0 + 0) / (2.10 * 1 + 2.30 * 1 + 2.30 * 1 + 1 + 1) = 364.948275862069
p2 = (555.56 * 2.30 * 1 + 578.95 * 2.10 * 1 + 296.30 * 2.30 * 1) / max_coefficients = 205.31714532830017
score = 364.948275862069 * 0.5 + 205.31714532830017 * 0.5 = 285.13271059518456
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-04 | 122 -> 127 | 289.28 -> 285.13 | |
| 2024-07-14 | 115 -> 122 | 289.28 | |
| 2024-07-03 | 116 -> 115 | 289.28 | |
| 2024-06-11 | 121 -> 116 | 285.56 -> 289.28 | |
| 2024-06-09 | 112 -> 121 | 285.56 | |
| 2024-05-19 | 110 -> 112 | 285.56 | |
| 2024-05-12 | 88 -> 110 | 298.35 -> 285.56 | |
| 2024-05-06 | 90 -> 88 | 298.35 | |
| 2024-05-03 | 91 -> 90 | 298.35 | |
| 2024-04-27 | 92 -> 91 | 298.35 |