Dashkova Anna
From Moscow, Russia
EMA: 15990092
Common russian riichi rating (CRR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
109 place (421.85).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (429.91 * 4.60 * 0.71 + 105.26 * 1.50 * 0.71 + 941.18 * 3.05 * 0.71 + 515.79 * 3.85 * 0.86 + 0) / (4.60 * 0.71 + 1.50 * 0.71 + 3.05 * 0.71 + 3.85 * 0.86 + 1) = 487.079721807953
p2 = (941.18 * 3.05 * 0.71 + 515.79 * 3.85 * 0.86 + 429.91 * 4.60 * 0.71 + 105.26 * 1.50 * 0.71) / max_coefficients = 356.61081081081073
score = 487.079721807953 * 0.5 + 356.61081081081073 * 0.5 = 421.8452663093818
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 111 -> 109 | 421.85 | |
| 2025-09-01 | 109 -> 111 | 427.18 -> 421.85 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 104 -> 109 | 427.18 | |
| 2025-08-09 | 100 -> 104 | 449.01 -> 427.18 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 100 | 447.09 -> 449.01 | |
| 2025-08-03 | 99 -> 100 | 447.09 | |
| 2025-07-30 | 98 -> 99 | 447.09 | |
| 2025-07-26 | 95 -> 98 | 447.09 | |
| 2025-07-25 | 96 -> 95 | 444.26 -> 447.09 |
Duplicate riichi mahjong tournament 2024: 86% -> 71% |
| 2025-07-13 | 93 -> 96 | 444.26 |