Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Online rating
Rating date April 17, 2023 (latest changes April 17, 2023).
9 place (647.16).
how we calculated rating score
max_coefficients = (2.80 * 1 + 2.30 * 1 + 3.25 * 0.57) = 6.95705
p1 = (680.85 * 2.60 * 0.57 + 589.74 * 2.40 * 0.14 + 883.72 * 2.50 * 0.29 + 451.61 * 2.20 * 0.29 + 222.22 * 2.10 * 0.43 + 782.61 * 2 * 0.43 + 770.11 * 3.25 * 0.57 + 418.18 * 2.80 * 1 + 857.14 * 2.30 * 1) / (2.60 * 0.57 + 2.40 * 0.14 + 2.50 * 0.29 + 2.20 * 0.29 + 2.10 * 0.43 + 2 * 0.43 + 3.25 * 0.57 + 2.80 * 1 + 2.30 * 1) = 637.0815349537679
p2 = (857.14 * 2.30 * 1 + 770.11 * 3.25 * 0.57 + 418.18 * 2.80 * 1) / max_coefficients = 657.2440905268757
score = 637.0815349537679 * 0.5 + 657.2440905268757 * 0.5 = 647.1628127403218
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-04-17 | 9 | 648.87 -> 647.16 |
5G Tournament: 57% -> 43% |
| 2023-04-15 | 9 | 646.49 -> 648.87 |
I wish to have dora san...: 43% -> 29% |
| 2023-04-12 | 9 | 653.86 -> 646.49 |
Demons of autumn wind: 71% -> 57% Winter Online Tournament: 71% -> 57% |
| 2023-03-25 | 9 | 657.20 -> 653.86 |
Summer Online Tournament: 43% -> 29% |
| 2023-03-21 | 10 -> 9 | 658.72 -> 657.20 |
No Dora Tournament: 14% -> 0% |
| 2023-03-14 | 10 | 663.86 -> 658.72 |
Winter Team Fight: 71% -> 57% |
| 2023-03-12 | 11 -> 10 | 659.41 -> 663.86 |
Autumn Online Tournament: 57% -> 43% |
| 2023-02-18 | 10 -> 11 | 658.81 -> 659.41 |
Spring Online Tournament: 29% -> 14% |
| 2023-02-17 | 10 | 660.15 -> 658.81 |
5G Tournament: 71% -> 57% |
| 2023-02-15 | 10 | 658.19 -> 660.15 |
I wish to have dora san...: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 857 |
|
6/36 | 100% | 2.30 | ONLINE | Autumn Online Tournament |
| 2 | 418 |
|
33/56 | 100% | 2.80 | ONLINE | Summer Online Tournament |
| 3 | 0 |
|
40/40 | 57% | 2.40 | ONLINE | Winter Online Tournament |
| 4 | 681 |
|
16/48 | 57% | 2.60 | ONLINE | Demons of autumn wind |
| 5 | 770 |
|
21/88 | 57% | 3.25 | ONLINE | Winter Team Fight |
| 6 | 783 |
|
6/24 | 43% | 2.00 | ONLINE | 5G Tournament |
| 7 | 222 |
|
22/28 | 43% | 2.10 | ONLINE | Autumn Online Tournament |
| 8 | 452 |
|
18/32 | 29% | 2.20 | ONLINE | I wish to have dora san... |
| 9 | 884 |
|
6/44 | 29% | 2.50 | ONLINE | Summer Online Tournament |
| 10 | 590 |
|
17/40 | 14% | 2.40 | ONLINE | Spring Online Tournament |
| 11 | 735 |
|
23/84 | 0% | 3.20 | ONLINE | No Dora Tournament |
| 12 | 731 |
|
19/68 | 0% | 3.00 | ONLINE | Winter Online Tournament |
| 13 | 127 |
|
49/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament |
| 14 | 804 |
|
11/52 | 0% | 2.70 | ONLINE | Rainy season tournament［梅雨］ |
| 15 | 915 |
|
7/72 | 0% | 3.05 | ONLINE | Summer Tournament |
| 16 | 133 |
|
118/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 17 | 159 |
|
91/108 | 0% | 3.50 | ONLINE | Spring tournament |
| 18 | 568 |
|
61/140 | 0% | 3.70 | ONLINE | Corona go away |
| 19 | 951 |
|
8/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 20 | 782 |
|
13/56 | 0% | 2.80 | ONLINE | Summer Online Tournament |
| 21 | 778 |
|
15/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
| 22 | 322 |
|
41/60 | 0% | 2.90 | ONLINE | Summer online tournament 2018 |
| 23 | 766 |
|
12/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
| 24 | 239 |
|
52/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |