Datkov Sergey
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).
137 place (271.86).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998
p1 = (578.95 * 2.10 * 0.86 + 296.30 * 2.30 * 1 + 555.56 * 2.30 * 1 + 0 + 0) / (2.10 * 0.86 + 2.30 * 1 + 2.30 * 1 + 1 + 1) = 357.30263776635707
p2 = (555.56 * 2.30 * 1 + 578.95 * 2.10 * 0.86 + 296.30 * 2.30 * 1) / max_coefficients = 186.4167701863354
score = 357.30263776635707 * 0.5 + 186.4167701863354 * 0.5 = 271.8597039763462
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-01 | 125 -> 137 | 276.73 -> 271.86 | |
| 2024-08-27 | 124 -> 125 | 286.23 -> 276.73 |
13 tiles until tempai: 100% -> 86% |
| 2024-08-26 | 126 -> 124 | 286.23 | |
| 2024-08-22 | 127 -> 126 | 286.23 | |
| 2024-08-11 | 127 | 285.13 -> 286.23 | |
| 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 |