Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).
130 place (74.97).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (66.67 * 1.20 * 0.86 + 454.55 * 1.10 * 1 + 0 + 0 + 0) / (1.20 * 0.86 + 1.10 * 1 + 1 + 1 + 1) = 110.86434292934413
p2 = (454.55 * 1.10 * 1 + 66.67 * 1.20 * 0.86) / max_coefficients = 39.076975945017175
score = 110.86434292934413 * 0.5 + 39.076975945017175 * 0.5 = 74.97065943718066
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | 86% | 1.20 | CRR | Winter tournament |