Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date Oct. 11, 2022 (latest changes Oct. 11, 2022).
58 place (494.92).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (518.52 * 2.10 * 0.86 + 585.86 * 3.40 * 0.14 + 650.49 * 3.45 * 0.57 + 372.09 * 2.50 * 0.71 + 103.45 * 3.25 * 1 + 800 * 2.80 * 1) / (2.10 * 0.86 + 3.40 * 0.14 + 3.45 * 0.57 + 2.50 * 0.71 + 3.25 * 1 + 2.80 * 1) = 474.7383784633068
p2 = (800 * 2.80 * 1 + 650.49 * 3.45 * 0.57 + 518.52 * 2.10 * 0.86) / max_coefficients = 515.0994219653179
score = 474.7383784633068 * 0.5 + 515.0994219653179 * 0.5 = 494.9189002143123
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-09-25 | 59 -> 58 | 493.45 -> 494.92 |
Summer Online Tournament: 86% -> 71% |
| 2022-09-22 | 52 -> 59 | 621.39 -> 493.45 | |
| 2021-02-01 | 52 | 621.39 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
12/56 | 100% | 2.80 | ONLINE | Summer Online Tournament |
| 2 | 103 |
|
79/88 | 100% | 3.25 | ONLINE | Winter Team Fight |
| 3 | 519 |
|
14/28 | 86% | 2.10 | ONLINE | Autumn Online Tournament |
| 4 | 372 |
|
28/44 | 71% | 2.50 | ONLINE | Summer Online Tournament |
| 5 | 650 |
|
37/104 | 57% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 6 | 586 |
|
42/100 | 14% | 3.40 | ONLINE | Riichi Online Open Team Cup |
| 7 | 655 |
|
20/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament |
| 8 | 465 |
|
39/72 | 0% | 3.05 | ONLINE | Summer Tournament |
| 9 | 711 |
|
40/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 10 | 636 |
|
53/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |