Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Online rating
Rating date Feb. 27, 2021 (latest changes Feb. 17, 2021).
47 place (640.47).
how we calculated rating score
max_coefficients = (3.70 * 1 + 3.69 * 1 + 3.50 * 1) = 10.89
p1 = (781.82 * 2.80 * 0.43 + 951.05 * 3.71 * 0.86 + 568.35 * 3.70 * 1 + 158.88 * 3.50 * 1 + 133.33 * 3.69 * 1 + 915.49 * 3.05 * 1 + 803.92 * 2.70 * 1 + 127.27 * 2.80 * 1 + 731.34 * 3 * 1) / (2.80 * 0.43 + 3.71 * 0.86 + 3.70 * 1 + 3.50 * 1 + 3.69 * 1 + 3.05 * 1 + 2.70 * 1 + 2.80 * 1 + 3 * 1) = 545.3632767971242
p2 = (951.05 * 3.71 * 0.86 + 915.49 * 3.05 * 1 + 731.34 * 3 * 1) / max_coefficients = 735.5794306703398
score = 545.3632767971242 * 0.5 + 735.5794306703398 * 0.5 = 640.471353733732
Chart scale: normalized original
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-16 | 34 -> 47 | 660.16 -> 640.47 |
Riichi Online Open Team Cup 2020: 100% -> 86% |
2021-01-28 | 33 -> 34 | 661.80 -> 660.16 |
Summer Online Tournament: 57% -> 43% |
2021-01-20 | 26 -> 33 | 695.60 -> 661.80 |
Winter Online Tournament: 14% -> 0% |
2021-01-10 | 36 -> 26 | 652.18 -> 695.60 |
Winter Online Tournament: 0% -> 100% |
2020-11-28 | 36 | 654.08 -> 652.18 |
Summer Online Tournament: 71% -> 57% |
2020-11-20 | 35 -> 36 | 655.98 -> 654.08 |
Winter Online Tournament: 29% -> 14% |
2020-11-01 | 34 -> 35 | 655.98 | |
2020-10-11 | 32 -> 34 | 655.98 | |
2020-09-29 | 33 -> 32 | 655.98 | |
2020-09-28 | 33 | 657.76 -> 655.98 |
Summer Online Tournament: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 731 |
|
19/68 | 100% | 3.00 | ONLINE | Winter Online Tournament |
2 | 127 |
|
49/56 | 100% | 2.80 | ONLINE | Autumn Online Tournament |
3 | 804 |
|
11/52 | 100% | 2.70 | ONLINE | Rainy season tournament[梅雨] |
4 | 915 |
|
7/72 | 100% | 3.05 | ONLINE | Summer Tournament |
5 | 133 |
|
118/136 | 100% | 3.69 | ONLINE | Riichi Online Open Team Cup |
6 | 159 |
|
91/108 | 100% | 3.50 | ONLINE | Spring tournament |
7 | 568 |
|
61/140 | 100% | 3.70 | ONLINE | Corona go away |
8 | 951 |
|
8/144 | 86% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
9 | 782 |
|
13/56 | 43% | 2.80 | ONLINE | Summer Online Tournament |
10 | 778 |
|
15/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
11 | 322 |
|
41/60 | 0% | 2.90 | ONLINE | Summer online tournament 2018 |
12 | 766 |
|
12/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
13 | 239 |
|
52/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |