Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date July 4, 2023 (latest changes July 4, 2023).
42 place (372.32).
how we calculated rating score
max_coefficients = (3 * 1 + 2.80 * 0.86 + 2.30 * 1) = 7.699879999999999
p1 = (372.09 * 2.50 * 0.14 + 518.52 * 2.10 * 0.29 + 103.45 * 3.25 * 0.43 + 800 * 2.80 * 0.86 + 0) / (2.50 * 0.14 + 2.10 * 0.29 + 3.25 * 0.43 + 2.80 * 0.86 + 1) = 436.17533760576
p2 = (800 * 2.80 * 0.86 + 518.52 * 2.10 * 0.29 + 103.45 * 3.25 * 0.43) / max_coefficients = 308.4593526132875
score = 436.17533760576 * 0.5 + 308.4593526132875 * 0.5 = 372.3173451095237
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-02 | 32 -> 42 | 413.00 -> 372.32 | |
| 2023-06-29 | 52 -> 32 | 621.39 -> 413.00 | |
| 2021-02-01 | 52 | 621.39 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
12/56 | 86% | 2.80 | ONLINE | Summer Online Tournament | Russia |
| 2 | 103 |
|
79/88 | 43% | 3.25 | ONLINE | Winter Team Fight | Russia |
| 3 | 519 |
|
14/28 | 29% | 2.10 | ONLINE | Autumn Online Tournament | Russia |
| 4 | 372 |
|
28/44 | 14% | 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 |