Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).
177 place (58.90).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (66.67 * 1.20 * 0.29 + 454.55 * 1.10 * 0.71 + 0 + 0 + 0) / (1.20 * 0.29 + 1.10 * 0.71 + 1 + 1 + 1) = 92.04397648580502
p2 = (454.55 * 1.10 * 0.71 + 66.67 * 1.20 * 0.29) / max_coefficients = 25.763389830508473
score = 92.04397648580502 * 0.5 + 25.763389830508473 * 0.5 = 58.903683158156745
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-12 | 177 | 58.82 -> 58.90 | |
2023-09-28 | 178 -> 177 | 58.82 | |
2023-09-09 | 178 | 67.87 -> 58.82 |
Summer tournament: 86% -> 71% |
2023-09-05 | 178 | 67.51 -> 67.87 |
Winter tournament: 43% -> 29% |
2023-09-03 | 162 -> 178 | 68.88 -> 67.51 | |
2023-08-27 | 157 -> 162 | 68.88 | |
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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 455 |
|
7/12 | 71% | 1.10 | CRR | Summer tournament |
2 | 67 |
|
15/16 | 29% | 1.20 | CRR | Winter tournament |