Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date Sept. 21, 2024 (latest changes Sept. 21, 2024).
34 place (256.60).
how we calculated rating score
max_coefficients = (3.70 * 1 + 2.40 * 1 + 2.95 * 0.71) = 8.207184999999999
p1 = (343.75 * 2.95 * 0.71 + 536.59 * 2.40 * 1 + 0 + 0 + 0) / (2.95 * 0.71 + 2.40 * 1 + 1 + 1 + 1) = 268.02856197096514
p2 = (536.59 * 2.40 * 1 + 343.75 * 2.95 * 0.71) / max_coefficients = 245.16810575124114
score = 268.02856197096514 * 0.5 + 245.16810575124114 * 0.5 = 256.59833386110313
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-21 | 32 -> 34 | 256.60 | |
| 2024-09-11 | 36 -> 32 | 256.60 | |
| 2024-09-02 | 36 | 261.02 -> 256.60 |
Double Tournament with Naga: 86% -> 71% |
| 2024-07-11 | 37 -> 36 | 261.02 | |
| 2024-07-02 | 36 -> 37 | 265.01 -> 261.02 |
Double Tournament with Naga: 100% -> 86% |
| 2024-06-26 | 43 -> 36 | 265.01 | |
| 2024-06-22 | 42 -> 43 | 265.01 | |
| 2024-06-16 | 28 -> 42 | 296.58 -> 265.01 | |
| 2024-04-28 | 22 -> 28 | 320.73 -> 296.58 | |
| 2024-04-26 | 23 -> 22 | 320.73 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 537 |
|
20/42 | 100% | 2.40 | ONLINE | Spring online tournament 2024 | Russia | |
| 2 | 344 |
|
43/65 | 71% | 2.95 | ONLINE | Double Tournament with Naga | Russia | |
| 3 | 460 |
|
48/88 | 0% | 3.25 | ONLINE | Winter Team Fight | Russia | |
| 4 | 194 |
|
84/104 | 0% | 3.45 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 5 | 538 |
|
19/40 | 0% | 2.40 | ONLINE | Spring Online Tournament | Russia | |
| 6 | 474 |
|
72/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 7 | 105 |
|
129/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 | Russia | |
| 8 | 0 |
|
20/20 | 0% | 1.90 | ONLINE | IORMC Qualifiers 2019 | Russia | |
| 9 | 900 |
|
5/41 | 0% | 2.40 | ONLINE | Autumn Online Tournament | Russia | |
| 10 | 236 |
|
43/56 | 0% | 2.80 | ONLINE | Summer Online Tournament | Russia | |
| 11 | 892 |
|
10/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 12 | 587 |
|
27/64 | 0% | 2.95 | ONLINE | Winter Online Tournament | Russia | |
| 13 | 681 |
|
16/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 | Russia | |
| 14 | 30 |
|
66/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 | Russia |