Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Online rating
Rating date March 29, 2025 (latest changes March 2, 2025).
6 place (554.09).
how we calculated rating score
max_coefficients = (3.70 * 1 + 3.05 * 1 + 2.40 * 0.86) = 8.80704
p1 = (1000 * 1.90 * 1 + 0 * 1.80 * 1 + 971.83 * 3.05 * 1 + 0 + 0) / (1.90 * 1 + 1.80 * 1 + 3.05 * 1 + 1 + 1) = 555.8948571428572
p2 = (971.83 * 3.05 * 1 + 1000 * 1.90 * 1 + 0 * 1.80 * 1) / max_coefficients = 552.2945280139525
score = 555.8948571428572 * 0.5 + 552.2945280139525 * 0.5 = 554.0946925784049
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-02 | 7 -> 6 | 543.74 -> 554.09 | |
| 2025-01-18 | 28 -> 7 | 260.54 -> 543.74 |
Winter online tournament 2025: 0% -> 100% |
| 2025-01-02 | 32 -> 28 | 260.54 | |
| 2024-11-02 | 36 -> 32 | 257.04 -> 260.54 | |
| 2024-09-21 | 34 -> 36 | 257.04 | |
| 2024-09-11 | 26 -> 34 | 313.28 -> 257.04 |
Autumn Online Tournament: 14% -> 0% |
| 2024-09-02 | 29 -> 26 | 306.75 -> 313.28 | |
| 2024-07-11 | 26 -> 29 | 335.77 -> 306.75 |
Autumn Online Tournament: 29% -> 14% |
| 2024-07-02 | 28 -> 26 | 329.08 -> 335.77 | |
| 2024-06-26 | 26 -> 28 | 372.99 -> 329.08 |
Summer Online Tournament: 14% -> 0% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 972 |
|
3/72 | 100% | 3.05 | ONLINE | Winter online tournament 2025 |
| 2 | 0 |
|
16/16 | 100% | 1.80 | ONLINE | Royale roulette |
| 3 | 1000 |
|
1/20 | 100% | 1.90 | ONLINE | Wrong Chair |
| 4 | 857 |
|
6/36 | 0% | 2.30 | ONLINE | Autumn Online Tournament |
| 5 | 418 |
|
33/56 | 0% | 2.80 | ONLINE | Summer Online Tournament |
| 6 | 681 |
|
16/48 | 0% | 2.60 | ONLINE | Demons of autumn wind |
| 7 | 0 |
|
40/40 | 0% | 2.40 | ONLINE | Winter Online Tournament |
| 8 | 770 |
|
21/88 | 0% | 3.25 | ONLINE | Winter Team Fight |
| 9 | 783 |
|
6/24 | 0% | 2.00 | ONLINE | 5G Tournament |
| 10 | 222 |
|
22/28 | 0% | 2.10 | ONLINE | Autumn Online Tournament |
| 11 | 452 |
|
18/32 | 0% | 2.20 | ONLINE | I wish to have dora san... |
| 12 | 884 |
|
6/44 | 0% | 2.50 | ONLINE | Summer Online Tournament |
| 13 | 590 |
|
17/40 | 0% | 2.40 | ONLINE | Spring Online Tournament |
| 14 | 735 |
|
23/84 | 0% | 3.20 | ONLINE | No Dora Tournament |
| 15 | 731 |
|
19/68 | 0% | 3.00 | ONLINE | Winter Online Tournament |
| 16 | 127 |
|
49/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament |
| 17 | 804 |
|
11/52 | 0% | 2.70 | ONLINE | Rainy season tournament［梅雨］ |
| 18 | 915 |
|
7/72 | 0% | 3.05 | ONLINE | Summer Tournament |
| 19 | 133 |
|
118/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 20 | 159 |
|
91/108 | 0% | 3.50 | ONLINE | Spring tournament |
| 21 | 568 |
|
61/140 | 0% | 3.70 | ONLINE | Corona go away |
| 22 | 951 |
|
8/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 23 | 782 |
|
13/56 | 0% | 2.80 | ONLINE | Summer Online Tournament |
| 24 | 778 |
|
15/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
| 25 | 322 |
|
41/60 | 0% | 2.90 | ONLINE | Summer online tournament 2018 |
| 26 | 766 |
|
12/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
| 27 | 239 |
|
52/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |