Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Aug. 26, 2023 (latest changes Aug. 26, 2023).
157 place (68.88).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (66.67 * 1.20 * 0.43 + 454.55 * 1.10 * 0.86 + 0 + 0 + 0) / (1.20 * 0.43 + 1.10 * 0.86 + 1 + 1 + 1) = 103.84260723829011
p2 = (454.55 * 1.10 * 0.86 + 66.67 * 1.20 * 0.43) / max_coefficients = 33.92530115448202
score = 103.84260723829011 * 0.5 + 33.92530115448202 * 0.5 = 68.88395419638607
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-19 | 156 -> 157 | 68.88 | |
2023-08-12 | 156 | 68.19 -> 68.88 | |
2023-07-09 | 156 | 76.68 -> 68.19 |
Summer tournament: 100% -> 86% |
2023-07-05 | 157 -> 156 | 76.20 -> 76.68 |
Winter tournament: 57% -> 43% |
2023-07-03 | 158 -> 157 | 76.20 | |
2023-06-12 | 158 | 75.45 -> 76.20 | |
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 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 455 |
|
7/12 | 86% | 1.10 | CRR | Summer tournament |
2 | 67 |
|
15/16 | 43% | 1.20 | CRR | Winter tournament |