Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
26 place (616.91).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (906.67 * 4.20 * 0.14 + 172.41 * 3.75 * 0.71 + 775.70 * 4 * 0.86 + 86.96 * 2.10 * 1 + 233.64 * 4.60 * 1 + 898.73 * 3.65 * 1 + 490.20 * 3.05 * 1 + 607.84 * 3.05 * 1 + 778.95 * 3.85 * 1) / (4.20 * 0.14 + 3.75 * 0.71 + 4 * 0.86 + 2.10 * 1 + 4.60 * 1 + 3.65 * 1 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 538.7869644415259
p2 = (898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 775.70 * 4 * 0.86 + 607.84 * 3.05 * 1) / max_coefficients = 695.0271760129826
score = 538.7869644415259 * 0.5 + 695.0271760129826 * 0.5 = 616.9070702272543
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-06 | 26 | 620.90 -> 616.91 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 26 | 624.66 -> 620.90 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 31 -> 26 | 575.75 -> 624.66 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 32 -> 31 | 568.69 -> 575.75 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 49 -> 32 | 474.03 -> 568.69 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 46 -> 49 | 474.03 | |
2024-07-06 | 41 -> 46 | 498.74 -> 474.03 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-11 | 44 -> 41 | 492.66 -> 498.74 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 44 | 476.73 -> 492.66 |
Agari Summer Tournament 2024: 0% -> 100% |
2024-05-12 | 18 -> 44 | 541.79 -> 476.73 |
X Russian Championship: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 779 |
|
22/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 899 |
|
9/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 490 |
|
27/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
4 | 234 |
|
83/108 | 100% | 4.60 | RR | X Russian Championship |
5 | 87 |
|
43/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
6 | 608 |
|
21/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
7 | 776 |
|
25/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
8 | 172 |
|
73/88 | 71% | 3.75 | RR | Money can not buy tenpai |
9 | 907 |
|
8/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
10 | 982 |
|
3/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
11 | 746 |
|
18/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
12 | 0 |
|
48/48 | 0% | 3.10 | RR | Agari team tournament |
13 | 573 |
|
33/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
14 | 839 |
|
6/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
15 | 577 |
|
48/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
16 | 429 |
|
37/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
17 | 968 |
|
3/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
18 | 909 |
|
6/56 | 0% | 3.18 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
19 | 478 |
|
13/24 | 0% | 2.20 | EMA | Valencia Riichi 2019 |
20 | 629 |
|
14/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
21 | 77 |
|
37/40 | 0% | 2.90 | RR | Summer Cup 2019 |
22 | 60 |
|
79/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
23 | 617 |
|
19/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
24 | 821 |
|
8/40 | 0% | 2.90 | RR | North Cup 2018 |
25 | 508 |
|
32/64 | 0% | 3.45 | EMA | White Dragon Tournament |
26 | 835 |
|
16/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
27 | 957 |
|
3/48 | 0% | 2.80 | EMA | 1st Spanish Riichi Open 2018 |
28 | 149 |
|
41/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
29 | 926 |
|
3/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
30 | 613 |
|
13/32 | 0% | 2.85 | EMA | 5th Prague Open Riichi Championship 2018 |
31 | 859 |
|
11/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
32 | 859 |
|
11/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
33 | 340 |
|
32/48 | 0% | 2.80 | EMA | Great Wave 2018 |
34 | 687 |
|
27/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
35 | 845 |
|
12/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
36 | 48 |
|
61/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
37 | 111 |
|
25/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |
38 | 407 |
|
17/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2017 |
39 | 57 |
|
34/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
40 | 913 |
|
3/24 | 0% | 2.90 | EMA | Prague Open 2017 |
41 | 282 |
|
29/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
42 | 733 |
|
5/16 | 0% | 2.30 | RR | February mini-tournament glhf; 2017 |
43 | 391 |
|
15/24 | 0% | 1.60 | RR | December tournament glhf; 2016 |
44 | 507 |
|
36/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
45 | 194 |
|
26/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |
46 | 103 |
|
79/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
47 | 263 |
|
15/20 | 0% | 1.50 | RR | August tournament glhf; 2016 |
48 | 0 |
|
24/24 | 0% | 1.60 | RR | May tournament glhf; 2016 |