Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date Jan. 7, 2023 (latest changes Jan. 7, 2023).
49 place (492.48).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.86 + 2.30 * 1) = 7.885574999999999
p1 = (650.49 * 3.45 * 0.43 + 372.09 * 2.50 * 0.57 + 518.52 * 2.10 * 0.71 + 103.45 * 3.25 * 0.86 + 800 * 2.80 * 1) / (3.45 * 0.43 + 2.50 * 0.57 + 2.10 * 0.71 + 3.25 * 0.86 + 2.80 * 1) = 480.28000230166305
p2 = (800 * 2.80 * 1 + 650.49 * 3.45 * 0.43 + 518.52 * 2.10 * 0.71) / max_coefficients = 504.6734068219502
score = 480.28000230166305 * 0.5 + 504.6734068219502 * 0.5 = 492.4767045618066
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-20 | 51 -> 49 | 492.48 | |
2022-12-13 | 52 -> 51 | 492.48 | |
2022-12-12 | 52 | 483.23 -> 492.48 | |
2022-11-25 | 55 -> 52 | 481.36 -> 483.23 |
Summer Online Tournament: 71% -> 57% |
2022-11-21 | 57 -> 55 | 481.36 | |
2022-11-16 | 53 -> 57 | 504.89 -> 481.36 |
Riichi Online Open Team Cup: 57% -> 43% |
2022-11-14 | 55 -> 53 | 482.96 -> 504.89 |
Winter Team Fight: 100% -> 86% |
2022-11-12 | 54 -> 55 | 492.59 -> 482.96 |
Autumn Online Tournament: 86% -> 71% |
2022-11-01 | 56 -> 54 | 494.92 -> 492.59 |
Riichi Online Open Team Cup: 14% -> 0% |
2022-10-17 | 57 -> 56 | 494.92 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 800 |
|
12/56 | 100% | 2.80 | ONLINE | Summer Online Tournament |
2 | 103 |
|
79/88 | 86% | 3.25 | ONLINE | Winter Team Fight |
3 | 519 |
|
14/28 | 71% | 2.10 | ONLINE | Autumn Online Tournament |
4 | 372 |
|
28/44 | 57% | 2.50 | ONLINE | Summer Online Tournament |
5 | 650 |
|
37/104 | 43% | 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 |