Dashkova Anna
From Moscow, Russia
EMA: 15990092
Common russian riichi rating (CRR)
Rating date Aug. 4, 2025 (latest changes Aug. 4, 2025).
100 place (449.01).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (429.91 * 4.60 * 0.71 + 105.26 * 1.50 * 0.71 + 941.18 * 3.05 * 0.86 + 515.79 * 3.85 * 1 + 0) / (4.60 * 0.71 + 1.50 * 0.71 + 3.05 * 0.86 + 3.85 * 1 + 1) = 505.1463935909371
p2 = (941.18 * 3.05 * 0.86 + 515.79 * 3.85 * 1 + 429.91 * 4.60 * 0.71 + 105.26 * 1.50 * 0.71) / max_coefficients = 392.8638157894737
score = 505.1463935909371 * 0.5 + 392.8638157894737 * 0.5 = 449.00510469020537
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2025-07-12 | 91 -> 93 | 447.87 -> 444.26 |
X Russian Championship: 86% -> 71% |
2025-07-10 | 93 -> 91 | 447.87 | |
2025-07-03 | 94 -> 93 | 447.87 | |
2025-06-15 | 89 -> 94 | 453.82 -> 447.87 |