Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date Oct. 9, 2022 (latest changes Oct. 9, 2022).
107 place (303.37).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (459.77 * 3.25 * 1 + 538.46 * 2.40 * 0.57 + 194.17 * 3.45 * 0.57 + 0 + 0) / (3.25 * 1 + 2.40 * 0.57 + 3.45 * 0.57 + 1 + 1) = 304.3808167174656
p2 = (459.77 * 3.25 * 1 + 538.46 * 2.40 * 0.57 + 194.17 * 3.45 * 0.57) / max_coefficients = 302.36416184971097
score = 304.3808167174656 * 0.5 + 302.36416184971097 * 0.5 = 303.37248928358827
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | 57% | 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 |