Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date March 28, 2023 (latest changes March 28, 2023).
137 place (76.02).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (66.67 * 1.20 * 0.71 + 454.55 * 1.10 * 1 + 0 + 0 + 0) / (1.20 * 0.71 + 1.10 * 1 + 1 + 1 + 1) = 112.39096579493096
p2 = (454.55 * 1.10 * 1 + 66.67 * 1.20 * 0.71) / max_coefficients = 39.65451588451123
score = 112.39096579493096 * 0.5 + 39.65451588451123 * 0.5 = 76.0227408397211
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-01-05 | 128 -> 126 | 74.44 -> 74.76 |
Winter tournament: 100% -> 86% |
2023-01-03 | 132 -> 128 | 74.44 | |
2022-12-19 | 132 | 74.25 -> 74.44 | |
2022-12-18 | 130 -> 132 | 74.25 | |
2022-12-03 | 130 | 74.25 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 455 |
|
7/12 | 100% | 1.10 | CRR | Summer tournament |
2 | 67 |
|
15/16 | 71% | 1.20 | CRR | Winter tournament |