Stolbova Anastasiya
From Tyumen, Russia
EMA: 15020037
Common russian riichi rating (CRR)
Rating date April 22, 2025 (latest changes April 22, 2025).
206 place (185.20).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (361.70 * 2.80 * 1 + 434.78 * 2.20 * 1 + 0 + 0 + 0) / (2.80 * 1 + 2.20 * 1 + 1 + 1 + 1) = 246.16125
p2 = (361.70 * 2.80 * 1 + 434.78 * 2.20 * 1) / max_coefficients = 124.24542586750789
score = 246.16125 * 0.5 + 124.24542586750789 * 0.5 = 185.20333793375394
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-22 | 208 -> 206 | 185.20 | |
| 2025-04-13 | 206 -> 208 | 185.20 | |
| 2025-03-29 | 203 -> 206 | 185.20 | |
| 2025-03-23 | 195 -> 203 | 185.20 | |
| 2025-03-03 | 196 -> 195 | 185.20 | |
| 2025-03-02 | 195 -> 196 | 185.20 | |
| 2025-02-25 | 196 -> 195 | 185.20 | |
| 2025-02-22 | 198 -> 196 | 185.20 | |
| 2025-02-16 | 192 -> 198 | 185.20 | |
| 2025-02-02 | 187 -> 192 | 185.20 |