Petrova Anna
From Nizhny Novgorod, Russia
Online rating
Rating date Sept. 7, 2022 (latest changes Sept. 7, 2022).
111 place (305.92).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (538.46 * 2.40 * 0.57 + 194.17 * 3.45 * 0.71 + 459.77 * 3.25 * 1 + 0 + 0) / (2.40 * 0.57 + 3.45 * 0.71 + 3.25 * 1 + 1 + 1) = 298.40094786364716
p2 = (459.77 * 3.25 * 1 + 538.46 * 2.40 * 0.57 + 194.17 * 3.45 * 0.71) / max_coefficients = 313.4312138728324
score = 298.40094786364716 * 0.5 + 313.4312138728324 * 0.5 = 305.91608086823976
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-09-07 | 112 -> 111 | 305.92 | |
2022-08-20 | 113 -> 112 | 305.92 | |
2022-08-18 | 109 -> 113 | 320.96 -> 305.92 |
Spring Online Tournament: 71% -> 57% |
2022-08-15 | 110 -> 109 | 320.96 | |
2022-07-25 | 111 -> 110 | 320.96 | |
2022-07-16 | 112 -> 111 | 316.83 -> 320.96 |
Riichi Online Open Team Cup: 86% -> 71% |
2022-07-12 | 114 -> 112 | 316.83 | |
2022-07-07 | 115 -> 114 | 316.83 | |
2022-07-01 | 117 -> 115 | 316.83 | |
2022-06-26 | 114 -> 117 | 320.60 -> 316.83 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 460 |
|
48/88 | 100% | 3.25 | ONLINE | Winter Team Fight |
2 | 194 |
|
84/104 | 71% | 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 |