Dashkova Anna
From Moscow, Russia
EMA: 15990092
Common russian riichi rating (CRR)
Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).
116 place (398.39).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (429.91 * 4.60 * 0.57 + 105.26 * 1.50 * 0.57 + 941.18 * 3.05 * 0.57 + 515.79 * 3.85 * 0.86 + 0) / (4.60 * 0.57 + 1.50 * 0.57 + 3.05 * 0.57 + 3.85 * 0.86 + 1) = 478.8413694375978
p2 = (515.79 * 3.85 * 0.86 + 941.18 * 3.05 * 0.57 + 429.91 * 4.60 * 0.57 + 105.26 * 1.50 * 0.57) / max_coefficients = 317.94581610171826
score = 478.8413694375978 * 0.5 + 317.94581610171826 * 0.5 = 398.393592769658
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-13 | 117 -> 116 | 393.56 -> 398.39 | |
| 2025-10-09 | 110 -> 117 | 417.53 -> 393.56 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-09-25 | 111 -> 110 | 414.14 -> 417.53 |
Duplicate riichi mahjong tournament 2024: 71% -> 57% |
| 2025-09-12 | 107 -> 111 | 421.85 -> 414.14 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 108 -> 107 | 421.85 | |
| 2025-09-05 | 109 -> 108 | 421.85 | |
| 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% |