Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Dec. 20, 2023 (latest changes Dec. 20, 2023).
178 place (49.52).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (66.67 * 1.20 * 0.14 + 454.55 * 1.10 * 0.57 + 0 + 0 + 0) / (1.20 * 0.14 + 1.10 * 0.57 + 1 + 1 + 1) = 78.19169372792774
p2 = (454.55 * 1.10 * 0.57 + 66.67 * 1.20 * 0.14) / max_coefficients = 20.85149145743595
score = 78.19169372792774 * 0.5 + 20.85149145743595 * 0.5 = 49.52159259268185
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 190 -> 178 | 49.52 | |
2023-11-28 | 199 -> 190 | 49.52 | |
2023-11-26 | 191 -> 199 | 49.60 -> 49.52 | |
2023-11-09 | 190 -> 191 | 59.59 -> 49.60 |
Summer tournament: 71% -> 57% |
2023-11-06 | 192 -> 190 | 59.06 -> 59.59 | |
2023-11-05 | 180 -> 192 | 58.90 -> 59.06 |
Winter tournament: 29% -> 14% |
2023-10-22 | 177 -> 180 | 58.90 | |
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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 455 |
|
7/12 | 57% | 1.10 | CRR | Summer tournament |
2 | 67 |
|
15/16 | 14% | 1.20 | CRR | Winter tournament |