Stolbova Anastasiya
From Tyumen, Russia
EMA: 15020037
Common russian riichi rating (CRR)
Rating date Dec. 2, 2025 (latest changes Dec. 1, 2025).
249 place (144.45).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (361.70 * 2.80 * 0.57 + 434.78 * 2.20 * 0.71 + 0 + 0 + 0) / (2.80 * 0.57 + 2.20 * 0.71 + 1 + 1 + 1) = 204.4810074894108
p2 = (434.78 * 2.20 * 0.71 + 361.70 * 2.80 * 0.57) / max_coefficients = 84.41003344481607
score = 204.4810074894108 * 0.5 + 84.41003344481607 * 0.5 = 144.44552046711345
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-30 | 248 -> 249 | 144.45 | |
| 2025-11-25 | 249 -> 248 | 144.45 | |
| 2025-11-15 | 243 -> 249 | 154.59 -> 144.45 |
Tails, money, two renchans: 86% -> 71% |
| 2025-11-14 | 240 -> 243 | 163.68 -> 154.59 |
Guardian of the Winds: 71% -> 57% |
| 2025-11-04 | 231 -> 240 | 166.02 -> 163.68 | |
| 2025-11-01 | 231 | 165.84 -> 166.02 | |
| 2025-10-25 | 232 -> 231 | 165.84 | |
| 2025-10-13 | 233 -> 232 | 164.20 -> 165.84 | |
| 2025-10-09 | 235 -> 233 | 164.20 | |
| 2025-09-30 | 236 -> 235 | 164.20 |