Stolbova Anastasiya
From Tyumen, Russia
EMA: 15020037
Common russian riichi rating (CRR)
Rating date Sept. 15, 2025 (latest changes Sept. 15, 2025).
237 place (164.20).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (361.70 * 2.80 * 0.71 + 434.78 * 2.20 * 0.86 + 0 + 0 + 0) / (2.80 * 0.71 + 2.20 * 0.86 + 1 + 1 + 1) = 224.12521094564647
p2 = (434.78 * 2.20 * 0.86 + 361.70 * 2.80 * 0.71) / max_coefficients = 104.27364864864865
score = 224.12521094564647 * 0.5 + 104.27364864864865 * 0.5 = 164.19942979714756
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-15 | 231 -> 237 | 173.42 -> 164.20 |
Tails, money, two renchans: 100% -> 86% |
| 2025-09-14 | 227 -> 231 | 181.68 -> 173.42 |
Guardian of the Winds: 86% -> 71% |
| 2025-09-03 | 234 -> 227 | 181.68 | |
| 2025-09-01 | 234 | 180.06 -> 181.68 | |
| 2025-08-31 | 230 -> 234 | 180.06 | |
| 2025-08-25 | 232 -> 230 | 180.06 | |
| 2025-08-09 | 234 -> 232 | 180.06 | |
| 2025-08-04 | 235 -> 234 | 179.47 -> 180.06 | |
| 2025-08-03 | 229 -> 235 | 179.47 | |
| 2025-07-30 | 230 -> 229 | 179.47 |