Dashkova Anna
From Moscow, Russia
EMA: 15990092
Common russian riichi rating (CRR)
Rating date April 4, 2026 (latest changes April 4, 2026).
181 place (291.04).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (429.91 * 4.60 * 0.14 + 105.26 * 1.50 * 0.14 + 941.18 * 3.05 * 0.29 + 515.79 * 3.85 * 0.43 + 0) / (4.60 * 0.14 + 1.50 * 0.14 + 3.05 * 0.29 + 3.85 * 0.43 + 1) = 449.8763425624006
p2 = (515.79 * 3.85 * 0.43 + 941.18 * 3.05 * 0.29 + 429.91 * 4.60 * 0.14 + 105.26 * 1.50 * 0.14) / max_coefficients = 132.2
score = 449.8763425624006 * 0.5 + 132.2 * 0.5 = 291.03817128120033
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-04 | 183 -> 181 | 291.04 | |
| 2026-04-02 | 184 -> 183 | 291.04 | |
| 2026-03-30 | 185 -> 184 | 291.04 | |
| 2026-03-25 | 188 -> 185 | 283.78 -> 291.04 |
Duplicate riichi mahjong tournament 2024: 29% -> 14% |
| 2026-03-23 | 189 -> 188 | 283.78 | |
| 2026-03-21 | 187 -> 189 | 283.78 | |
| 2026-03-14 | 181 -> 187 | 283.78 | |
| 2026-03-12 | 176 -> 181 | 292.98 -> 283.78 |
X Russian Championship: 29% -> 14% |
| 2026-03-07 | 175 -> 176 | 292.98 | |
| 2026-03-01 | 167 -> 175 | 306.36 -> 292.98 |
SPB Riichi Open 2024: 57% -> 43% |