Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date Nov. 4, 2023 (latest changes Nov. 4, 2023).
47 place (204.52).
how we calculated rating score
max_coefficients = (3 * 1 + 2.30 * 0.86 + 2.80 * 0.57) = 6.57125
p1 = (459.77 * 3.25 * 0.14 + 373.13 * 3 * 1 + 0 + 0 + 0) / (3.25 * 0.14 + 3 * 1 + 1 + 1 + 1) = 206.1946731534514
p2 = (373.13 * 3 * 1 + 459.77 * 3.25 * 0.14) / max_coefficients = 202.8426859425528
score = 206.1946731534514 * 0.5 + 202.8426859425528 * 0.5 = 204.5186795480021
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-01 | 158 -> 47 | 329.24 -> 204.52 | |
| 2021-02-01 | 14 -> 158 | 660.02 -> 329.24 | |
| 2020-02-01 | 14 | 660.02 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 373 |
|
43/68 | 100% | 3.00 | ONLINE | Double Tournament with Naga | Russia | |
| 2 | 460 |
|
48/88 | 14% | 3.25 | ONLINE | Winter Team Fight | Russia | |
| 3 | 194 |
|
84/104 | 0% | 3.45 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 4 | 538 |
|
19/40 | 0% | 2.40 | ONLINE | Spring Online Tournament | Russia | |
| 5 | 474 |
|
72/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 6 | 105 |
|
129/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 | Russia | |
| 7 | 0 |
|
20/20 | 0% | 1.90 | ONLINE | IORMC Qualifiers 2019 | Russia | |
| 8 | 900 |
|
5/41 | 0% | 2.40 | ONLINE | Autumn Online Tournament | Russia | |
| 9 | 236 |
|
43/56 | 0% | 2.80 | ONLINE | Summer Online Tournament | Russia | |
| 10 | 892 |
|
10/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 11 | 587 |
|
27/64 | 0% | 2.95 | ONLINE | Winter Online Tournament | Russia | |
| 12 | 681 |
|
16/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 | Russia | |
| 13 | 30 |
|
66/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 | Russia |