Andreeva Anna
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).
133 place (74.44).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995
p1 = (66.67 * 1.20 * 1 + 454.55 * 1.10 * 1 + 0 + 0 + 0) / (1.20 * 1 + 1.10 * 1 + 1 + 1 + 1) = 109.43396226415095
p2 = (454.55 * 1.10 * 1 + 66.67 * 1.20 * 1) / max_coefficients = 39.43701619535466
score = 109.43396226415095 * 0.5 + 39.43701619535466 * 0.5 = 74.4354892297528
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-12-19 | 133 | 74.25 -> 74.44 | |
| 2022-12-18 | 131 -> 133 | 74.25 | |
| 2022-11-28 | 131 | 73.80 -> 74.25 | |
| 2022-11-06 | 110 -> 131 | 75.00 -> 73.80 | |
| 2022-11-03 | 111 -> 110 | 75.00 | |
| 2022-08-27 | 100 -> 111 | 75.00 | |
| 2022-08-20 | 98 -> 100 | 75.00 | |
| 2022-07-09 | 98 | 75.00 |
Summer tournament: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 455 |
|
7/12 | 100% | 1.10 | CRR | Summer tournament |
| 2 | 67 |
|
15/16 | 100% | 1.20 | CRR | Winter tournament |