Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
52 place (621.39).
how we calculated rating score
max_coefficients = (3.71 * 1 + 3.70 * 1 + 3.69 * 1) = 11.1
p1 = (636.36 * 3.71 * 1 + 711.11 * 3.69 * 1 + 464.79 * 3.05 * 1 + 654.55 * 2.80 * 1 + 585.86 * 3.40 * 1) / (3.71 * 1 + 3.69 * 1 + 3.05 * 1 + 2.80 * 1 + 3.40 * 1) = 614.2444444444445
p2 = (711.11 * 3.69 * 1 + 636.36 * 3.71 * 1 + 585.86 * 3.40 * 1) / max_coefficients = 628.5432432432433
score = 614.2444444444445 * 0.5 + 628.5432432432433 * 0.5 = 621.3938438438439
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 52 | 621.39 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 586 |
|
42/100 | 100% | 3.40 | ONLINE | Riichi Online Open Team Cup |
| 2 | 655 |
|
20/56 | 100% | 2.80 | ONLINE | Autumn Online Tournament |
| 3 | 465 |
|
39/72 | 100% | 3.05 | ONLINE | Summer Tournament |
| 4 | 711 |
|
40/136 | 100% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 5 | 636 |
|
53/144 | 100% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |