Datkov Sergey
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Dec. 27, 2024 (latest changes Dec. 27, 2024).
144 place (251.74).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (578.95 * 2.10 * 0.57 + 296.30 * 2.30 * 0.86 + 555.56 * 2.30 * 1 + 0 + 0) / (2.10 * 0.57 + 2.30 * 0.86 + 2.30 * 1 + 1 + 1) = 342.1881420427852
p2 = (555.56 * 2.30 * 1 + 578.95 * 2.10 * 0.57 + 296.30 * 2.30 * 0.86) / max_coefficients = 161.29842271293376
score = 342.1881420427852 * 0.5 + 161.29842271293376 * 0.5 = 251.7432823778595
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-27 | 142 -> 144 | 261.80 -> 251.74 |
13 tiles until tempai: 71% -> 57% |
| 2024-12-18 | 143 -> 142 | 261.80 | |
| 2024-12-11 | 144 -> 143 | 261.80 | |
| 2024-12-01 | 143 -> 144 | 261.80 | |
| 2024-11-05 | 146 -> 143 | 263.75 -> 261.80 |
Finding Dora: 100% -> 86% |
| 2024-10-27 | 144 -> 146 | 273.33 -> 263.75 |
13 tiles until tempai: 86% -> 71% |
| 2024-10-13 | 137 -> 144 | 275.29 -> 273.33 | |
| 2024-10-11 | 138 -> 137 | 275.29 | |
| 2024-09-15 | 136 -> 138 | 275.29 | |
| 2024-09-06 | 135 -> 136 | 275.29 |