Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Online rating
Rating date May 17, 2021 (latest changes May 16, 2021).
38 place (675.59).
how we calculated rating score
max_coefficients = (3.69 * 1 + 3.45 * 1 + 3.40 * 1) = 10.540000000000001
p1 = (781.82 * 2.80 * 0.29 + 951.05 * 3.71 * 0.71 + 568.35 * 3.70 * 0.86 + 158.88 * 3.50 * 0.86 + 915.49 * 3.05 * 1 + 803.92 * 2.70 * 1 + 127.27 * 2.80 * 1 + 731.34 * 3 * 1 + 734.94 * 3.20 * 1 + 589.74 * 2.40 * 1) / (2.80 * 0.29 + 3.71 * 0.71 + 3.70 * 0.86 + 3.50 * 0.86 + 3.05 * 1 + 2.70 * 1 + 2.80 * 1 + 3 * 1 + 3.20 * 1 + 2.40 * 1) = 623.9989917498076
p2 = (915.49 * 3.05 * 1 + 951.05 * 3.71 * 0.71 + 734.94 * 3.20 * 1) / max_coefficients = 727.1717267552181
score = 623.9989917498076 * 0.5 + 727.1717267552181 * 0.5 = 675.5853592525128
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-05-16 | 36 -> 38 | 684.42 -> 675.59 | |
| 2021-05-10 | 39 -> 36 | 669.60 -> 684.42 |
Spring tournament: 100% -> 86% |
| 2021-04-18 | 38 -> 39 | 670.84 -> 669.60 |
Spring Online Tournament: 0% -> 100% |
| 2021-04-16 | 33 -> 38 | 698.11 -> 670.84 |
Riichi Online Open Team Cup 2020: 86% -> 71% |
| 2021-04-12 | 34 -> 33 | 686.91 -> 698.11 |
Corona go away: 100% -> 86% |
| 2021-03-28 | 34 | 688.11 -> 686.91 |
Summer Online Tournament: 43% -> 29% |
| 2021-03-21 | 47 -> 34 | 640.47 -> 688.11 |
No Dora Tournament: 0% -> 100% |
| 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% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 590 |
|
17/40 | 100% | 2.40 | ONLINE | Spring Online Tournament |
| 2 | 735 |
|
23/84 | 100% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 731 |
|
19/68 | 100% | 3.00 | ONLINE | Winter Online Tournament |
| 4 | 127 |
|
49/56 | 100% | 2.80 | ONLINE | Autumn Online Tournament |
| 5 | 804 |
|
11/52 | 100% | 2.70 | ONLINE | Rainy season tournament［梅雨］ |
| 6 | 915 |
|
7/72 | 100% | 3.05 | ONLINE | Summer Tournament |
| 7 | 133 |
|
118/136 | 100% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 8 | 159 |
|
91/108 | 86% | 3.50 | ONLINE | Spring tournament |
| 9 | 568 |
|
61/140 | 86% | 3.70 | ONLINE | Corona go away |
| 10 | 951 |
|
8/144 | 71% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 11 | 782 |
|
13/56 | 29% | 2.80 | ONLINE | Summer Online Tournament |
| 12 | 778 |
|
15/64 | 0% | 2.95 | ONLINE | Winter Online Tournament |
| 13 | 322 |
|
41/60 | 0% | 2.90 | ONLINE | Summer online tournament 2018 |
| 14 | 766 |
|
12/48 | 0% | 2.00 | ONLINE | Winter riichi-blitz 2017 |
| 15 | 239 |
|
52/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |