Dashkova Anna
From Moscow, Russia
EMA: 15990092
Common russian riichi rating (CRR)
Rating date May 15, 2025 (latest changes May 12, 2025).
83 place (472.23).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (429.91 * 4.60 * 0.86 + 105.26 * 1.50 * 1 + 941.18 * 3.05 * 1 + 515.79 * 3.85 * 1 + 0) / (4.60 * 0.86 + 1.50 * 1 + 3.05 * 1 + 3.85 * 1 + 1) = 502.8420120125972
p2 = (941.18 * 3.05 * 1 + 515.79 * 3.85 * 1 + 429.91 * 4.60 * 0.86 + 105.26 * 1.50 * 1) / max_coefficients = 441.6112780777034
score = 502.8420120125972 * 0.5 + 441.6112780777034 * 0.5 = 472.2266450451503
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-12 | 83 | 470.27 -> 472.23 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 84 -> 83 | 470.27 | |
| 2025-05-03 | 79 -> 84 | 470.27 | |
| 2025-04-11 | 80 -> 79 | 470.27 | |
| 2025-03-10 | 82 -> 80 | 470.27 | |
| 2025-03-03 | 83 -> 82 | 470.27 | |
| 2025-03-02 | 79 -> 83 | 470.27 | |
| 2025-02-27 | 80 -> 79 | 470.27 | |
| 2025-02-16 | 77 -> 80 | 470.27 | |
| 2025-02-11 | 76 -> 77 | 470.27 |