Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date July 8, 2022 (latest changes July 8, 2022).
58 place (539.05).
how we calculated rating score
max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 2.80 * 1) = 9.006995
p1 = (654.55 * 2.80 * 0.29 + 585.86 * 3.40 * 0.29 + 518.52 * 2.10 * 1 + 650.49 * 3.45 * 0.86 + 372.09 * 2.50 * 1 + 103.45 * 3.25 * 1 + 800 * 2.80 * 1) / (2.80 * 0.29 + 3.40 * 0.29 + 2.10 * 1 + 3.45 * 0.86 + 2.50 * 1 + 3.25 * 1 + 2.80 * 1) = 494.95020104582187
p2 = (800 * 2.80 * 1 + 650.49 * 3.45 * 0.86 + 518.52 * 2.10 * 1) / max_coefficients = 583.1434346305289
score = 494.95020104582187 * 0.5 + 583.1434346305289 * 0.5 = 539.0468178381753
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-07-07 | 59 -> 58 | 539.05 | |
| 2022-07-01 | 59 | 540.44 -> 539.05 |
Riichi Online Open Team Cup: 43% -> 29% |
| 2022-06-26 | 79 -> 59 | 440.31 -> 540.44 |
Summer Online Tournament: 0% -> 100% |
| 2022-06-23 | 53 -> 79 | 621.39 -> 440.31 | |
| 2021-02-01 | 53 | 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 | 100% | 2.10 | ONLINE | Autumn Online Tournament |
| 4 | 372 |
|
28/44 | 100% | 2.50 | ONLINE | Summer Online Tournament |
| 5 | 650 |
|
37/104 | 86% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 6 | 586 |
|
42/100 | 29% | 3.40 | ONLINE | Riichi Online Open Team Cup |
| 7 | 655 |
|
20/56 | 29% | 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 |