Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date June 11, 2023 (latest changes June 11, 2023).
158 place (75.45).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8
p1 = (66.67 * 1.20 * 0.57 + 454.55 * 1.10 * 1 + 0 + 0 + 0) / (1.20 * 0.57 + 1.10 * 1 + 1 + 1 + 1) = 114.02977215359155
p2 = (454.55 * 1.10 * 1 + 66.67 * 1.20 * 0.57) / max_coefficients = 36.8722972972973
score = 114.02977215359155 * 0.5 + 36.8722972972973 * 0.5 = 75.45103472544443
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-11 | 140 -> 158 | 77.15 -> 75.45 | |
2023-05-20 | 140 | 76.44 -> 77.15 | |
2023-05-05 | 140 | 76.02 -> 76.44 |
Winter tournament: 71% -> 57% |
2023-05-01 | 139 -> 140 | 76.02 | |
2023-04-22 | 137 -> 139 | 76.02 | |
2023-03-20 | 138 -> 137 | 75.34 -> 76.02 | |
2023-03-05 | 139 -> 138 | 74.97 -> 75.34 |
Winter tournament: 86% -> 71% |
2023-02-25 | 130 -> 139 | 74.97 | |
2023-01-28 | 130 | 74.76 -> 74.97 | |
2023-01-14 | 126 -> 130 | 74.76 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 455 |
|
7/12 | 100% | 1.10 | CRR | Summer tournament |
2 | 67 |
|
15/16 | 57% | 1.20 | CRR | Winter tournament |