Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date April 12, 2023 (latest changes April 12, 2023).
35 place (475.20).
how we calculated rating score
max_coefficients = (2.80 * 1 + 2.30 * 1 + 3.25 * 0.57) = 6.95705
p1 = (372.09 * 2.50 * 0.29 + 650.49 * 3.45 * 0.14 + 518.52 * 2.10 * 0.43 + 103.45 * 3.25 * 0.57 + 800 * 2.80 * 1) / (2.50 * 0.29 + 3.45 * 0.14 + 2.10 * 0.43 + 3.25 * 0.57 + 2.80 * 1) = 515.2397896920111
p2 = (800 * 2.80 * 1 + 518.52 * 2.10 * 0.43 + 650.49 * 3.45 * 0.14) / max_coefficients = 435.1542679727758
score = 515.2397896920111 * 0.5 + 435.1542679727758 * 0.5 = 475.19702883239347
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-04-12 | 37 -> 35 | 475.19 -> 475.20 | |
2023-03-25 | 38 -> 37 | 477.21 -> 475.19 |
Summer Online Tournament: 43% -> 29% |
2023-03-21 | 41 -> 38 | 477.21 | |
2023-03-16 | 38 -> 41 | 499.24 -> 477.21 |
Riichi Online Open Team Cup: 29% -> 14% |
2023-03-14 | 45 -> 38 | 472.29 -> 499.24 |
Winter Team Fight: 71% -> 57% |
2023-03-12 | 46 -> 45 | 483.22 -> 472.29 |
Autumn Online Tournament: 57% -> 43% |
2023-02-20 | 44 -> 46 | 483.22 | |
2023-02-18 | 45 -> 44 | 483.22 | |
2023-02-17 | 43 -> 45 | 483.22 | |
2023-02-15 | 44 -> 43 | 483.22 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 800 |
|
12/56 | 100% | 2.80 | ONLINE | Summer Online Tournament |
2 | 103 |
|
79/88 | 57% | 3.25 | ONLINE | Winter Team Fight |
3 | 519 |
|
14/28 | 43% | 2.10 | ONLINE | Autumn Online Tournament |
4 | 372 |
|
28/44 | 29% | 2.50 | ONLINE | Summer Online Tournament |
5 | 650 |
|
37/104 | 14% | 3.45 | ONLINE | Riichi Online Open Team Cup |
6 | 586 |
|
42/100 | 0% | 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 |