Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date Nov. 1, 2022 (latest changes Nov. 1, 2022).
106 place (287.84).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (538.46 * 2.40 * 0.43 + 194.17 * 3.45 * 0.57 + 459.77 * 3.25 * 1 + 0 + 0) / (2.40 * 0.43 + 3.45 * 0.57 + 3.25 * 1 + 1 + 1) = 294.6568290551359
p2 = (459.77 * 3.25 * 1 + 538.46 * 2.40 * 0.43 + 194.17 * 3.45 * 0.57) / max_coefficients = 281.0300578034682
score = 294.6568290551359 * 0.5 + 281.0300578034682 * 0.5 = 287.84344342930206
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-01 | 109 -> 106 | 287.84 | |
2022-10-20 | 112 -> 109 | 287.84 | |
2022-10-18 | 106 -> 112 | 303.37 -> 287.84 |
Spring Online Tournament: 57% -> 43% |
2022-10-13 | 107 -> 106 | 303.37 | |
2022-09-27 | 108 -> 107 | 303.37 | |
2022-09-25 | 109 -> 108 | 303.37 | |
2022-09-22 | 158 -> 109 | 329.24 -> 303.37 | |
2021-02-01 | 14 -> 158 | 660.02 -> 329.24 | |
2020-02-01 | 14 | 660.02 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 460 |
|
48/88 | 100% | 3.25 | ONLINE | Winter Team Fight |
2 | 194 |
|
84/104 | 57% | 3.45 | ONLINE | Riichi Online Open Team Cup |
3 | 538 |
|
19/40 | 43% | 2.40 | ONLINE | Spring Online Tournament |
4 | 474 |
|
72/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
5 | 105 |
|
129/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
6 | 0 |
|
20/20 | 0% | 1.90 | ONLINE | IORMC Qualifiers 2019 |
7 | 900 |
|
5/41 | 0% | 2.40 | ONLINE | Autumn Online Tournament |
8 | 236 |
|
43/56 | 0% | 2.80 | ONLINE | Summer Online Tournament |
9 | 892 |
|
10/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup |
10 | 587 |
|
27/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
11 | 681 |
|
16/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
12 | 30 |
|
66/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |