Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
158 place (329.24).
how we calculated rating score
max_coefficients = (3.71 * 1 + 3.70 * 1 + 3.69 * 1) = 11.1
p1 = (891.57 * 3.20 * 0.14 + 236.36 * 2.80 * 0.43 + 900 * 2.40 * 0.57 + 0 * 1.90 * 0.57 + 104.90 * 3.71 * 1 + 474.07 * 3.69 * 1) / (3.20 * 0.14 + 2.80 * 0.43 + 2.40 * 0.57 + 1.90 * 0.57 + 3.71 * 1 + 3.69 * 1) = 352.95604279170914
p2 = (474.07 * 3.69 * 1 + 900 * 2.40 * 0.57 + 891.57 * 3.20 * 0.14) / max_coefficients = 305.51801801801804
score = 352.95604279170914 * 0.5 + 305.51801801801804 * 0.5 = 329.2370304048636
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | 474 |
|
72/136 | 100% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 2 | 105 |
|
129/144 | 100% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 3 | 0 |
|
20/20 | 57% | 1.90 | ONLINE | IORMC Qualifiers 2019 |
| 4 | 900 |
|
5/41 | 57% | 2.40 | ONLINE | Autumn Online Tournament |
| 5 | 236 |
|
43/56 | 43% | 2.80 | ONLINE | Summer Online Tournament |
| 6 | 892 |
|
10/84 | 14% | 3.20 | ONLINE | Riichi Online Open Team Cup |
| 7 | 587 |
|
27/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
| 8 | 681 |
|
16/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
| 9 | 30 |
|
66/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |