Datkov Sergey
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date April 12, 2024 (latest changes April 12, 2024).
93 place (298.35).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (296.30 * 2.30 * 1 + 578.95 * 2.10 * 1 + 555.56 * 2.30 * 1 + 0 + 0) / (2.30 * 1 + 2.10 * 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 = 231.7554744525547
score = 364.948275862069 * 0.5 + 231.7554744525547 * 0.5 = 298.35187515731184
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-12 | 94 -> 93 | 298.35 | |
| 2024-03-30 | 92 -> 94 | 298.35 | |
| 2024-03-20 | 96 -> 92 | 298.35 | |
| 2024-03-10 | 92 -> 96 | 304.12 -> 298.35 | |
| 2024-03-06 | 94 -> 92 | 298.78 -> 304.12 | |
| 2024-02-25 | 131 -> 94 | 197.69 -> 298.78 |
Chasing Kan: 0% -> 100% |
| 2024-02-12 | 133 -> 131 | 197.69 | |
| 2024-01-20 | 134 -> 133 | 197.69 | |
| 2024-01-06 | 134 | 194.77 -> 197.69 | |
| 2024-01-05 | 135 -> 134 | 194.77 |