Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date July 2, 2024 (latest changes July 2, 2024).
37 place (270.54).
how we calculated rating score
max_coefficients = (3.70 * 1 + 3 * 0.86 + 2.40 * 1) = 8.6713
p1 = (373.13 * 3 * 0.86 + 536.59 * 2.40 * 1 + 0 + 0 + 0) / (3 * 0.86 + 2.40 * 1 + 1 + 1 + 1) = 281.9163749952956
p2 = (536.59 * 2.40 * 1 + 373.13 * 3 * 0.86) / max_coefficients = 259.1583730236527
score = 281.9163749952956 * 0.5 + 259.1583730236527 * 0.5 = 270.53737400947415
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-02 | 36 -> 37 | 275.55 -> 270.54 |
Double Tournament with Naga: 100% -> 86% |
| 2024-06-26 | 42 -> 36 | 275.55 | |
| 2024-06-22 | 41 -> 42 | 275.55 | |
| 2024-06-16 | 27 -> 41 | 308.16 -> 275.55 | |
| 2024-05-11 | 28 -> 27 | 308.16 | |
| 2024-04-28 | 23 -> 28 | 331.77 -> 308.16 | |
| 2024-03-11 | 24 -> 23 | 322.55 -> 331.77 | |
| 2024-03-02 | 47 -> 24 | 209.85 -> 322.55 |
Spring online tournament 2024: 0% -> 100% |
| 2023-11-11 | 48 -> 47 | 204.52 -> 209.85 | |
| 2023-10-26 | 48 | 198.70 -> 204.52 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 537 |
|
20/42 | 100% | 2.40 | ONLINE | Spring online tournament 2024 |
| 2 | 373 |
|
43/68 | 86% | 3.00 | ONLINE | Double Tournament with Naga |
| 3 | 460 |
|
48/88 | 0% | 3.25 | ONLINE | Winter Team Fight |
| 4 | 194 |
|
84/104 | 0% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 5 | 538 |
|
19/40 | 0% | 2.40 | ONLINE | Spring Online Tournament |
| 6 | 474 |
|
72/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 7 | 105 |
|
129/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 8 | 0 |
|
20/20 | 0% | 1.90 | ONLINE | IORMC Qualifiers 2019 |
| 9 | 900 |
|
5/41 | 0% | 2.40 | ONLINE | Autumn Online Tournament |
| 10 | 236 |
|
43/56 | 0% | 2.80 | ONLINE | Summer Online Tournament |
| 11 | 892 |
|
10/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup |
| 12 | 587 |
|
27/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
| 13 | 681 |
|
16/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
| 14 | 30 |
|
66/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |