Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date Sept. 27, 2023 (latest changes Sept. 27, 2023).
43 place (269.00).
how we calculated rating score
max_coefficients = (3 * 1 + 2.80 * 0.71 + 2.30 * 0.86) = 6.97137
p1 = (103.45 * 3.25 * 0.14 + 800 * 2.80 * 0.71 + 0 + 0 + 0) / (3.25 * 0.14 + 2.80 * 0.71 + 1 + 1 + 1) = 301.59768614127825
p2 = (800 * 2.80 * 0.71 + 103.45 * 3.25 * 0.14) / max_coefficients = 236.40546980005362
score = 301.59768614127825 * 0.5 + 236.40546980005362 * 0.5 = 269.00157797066595
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-22 | 52 -> 43 | 621.39 -> 269.00 | |
| 2021-02-01 | 52 | 621.39 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
12/56 | 71% | 2.80 | ONLINE | Summer Online Tournament | Russia | |
| 2 | 103 |
|
79/88 | 14% | 3.25 | ONLINE | Winter Team Fight | Russia | |
| 3 | 519 |
|
14/28 | 0% | 2.10 | ONLINE | Autumn Online Tournament | Russia | |
| 4 | 372 |
|
28/44 | 0% | 2.50 | ONLINE | Summer Online Tournament | Russia | |
| 5 | 650 |
|
37/104 | 0% | 3.45 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 6 | 586 |
|
42/100 | 0% | 3.40 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 7 | 655 |
|
20/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament | Russia | |
| 8 | 465 |
|
39/72 | 0% | 3.05 | ONLINE | Summer Tournament | Russia | |
| 9 | 711 |
|
40/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 10 | 636 |
|
53/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 | Russia |