Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Internal rating (RR)

Rating date March 30, 2025 (latest changes March 30, 2025).

19 place (673.42).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (490.20 * 3.05 * 1 + 607.84 * 3.05 * 0.86 + 172.41 * 3.75 * 0.29 + 775.70 * 4 * 0.43 + 86.96 * 2.10 * 0.86 + 898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 741.57 * 3.75 * 1 + 709.68 * 3.10 * 1 + 764.71 * 3.05 * 1 + 372.88 * 3.25 * 1 + 677.42 * 2.40 * 1 + 523.81 * 2.60 * 1) / (3.05 * 1 + 3.05 * 0.86 + 3.75 * 0.29 + 4 * 0.43 + 2.10 * 0.86 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1 + 3.05 * 1 + 3.25 * 1 + 2.40 * 1 + 2.60 * 1) = 628.0624091917958

p2 = (898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 741.57 * 3.75 * 1 + 764.71 * 3.05 * 1) / max_coefficients = 718.7747634069401

score = 628.0624091917958 * 0.5 + 718.7747634069401 * 0.5 = 673.4185862993679

Rating changes

Show

all results
Date Place Points Reason
2025-03-30 19 671.18 -> 673.42

Seihoku spring tournament 2024: 100% -> 86%
2025-03-10 21 -> 19 671.08 -> 671.18

Agari Spring Tournament 2024: 100% -> 86%
2025-03-03 20 -> 21 672.25 -> 671.08

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 22 -> 20 670.47 -> 672.25

Riichi Maslenitsa (shrovetide): 0% -> 100%
2025-02-16 16 -> 22 683.31 -> 670.47

White Wolf Cup: 0% -> 100%
2025-02-11 18 -> 16 679.34 -> 683.31

Money can not buy tenpai: 43% -> 29%
2025-02-02 19 -> 18 668.61 -> 679.34

Agari Winter Tournament 2025: 0% -> 100%
2025-01-26 17 -> 19 673.67 -> 668.61

Riichi On Ice: 0% -> 100%
2025-01-07 23 -> 17 625.52 -> 673.67

Moscow Open Riichi Marathon: 0% -> 100%
2025-01-03 23 639.09 -> 625.52

SPB Riichi Open 2023: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 677 2025-03-02 11/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
2 373 2025-02-16 38/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 765 2025-02-02 13/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
4 524 2025-01-26 21/43 100% 2.60 RR Riichi On Ice Samara
5 710 2025-01-07 10/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
6 742 2024-10-13 24/90 100% 3.75 RR Moscow Riichi 2024 Moscow
7 779 2024-09-01 22/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 899 2024-08-04 9/80 100% 3.65 RR Riichi over Volga Samara
9 490 2024-06-09 27/52 100% 3.05 RR Agari Summer Tournament 2024 Moscow
10 234 2024-05-12 83/108 100% 4.60 RR X Russian Championship Perm
11 87 2024-03-30 43/47 86% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
12 608 2024-03-10 21/52 86% 3.05 RR Agari Spring Tournament 2024 Moscow
13 776 2023-09-03 25/108 43% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
14 172 2023-06-11 73/88 29% 3.75 RR Money can not buy tenpai Perm
15 907 2022-11-06 8/76 0% 4.20 RR IX Russian Riichi Championship Perm
16 982 2022-06-12 3/112 0% 4.05 RR Moscow Riichi 2022 Moscow
17 746 2022-03-20 18/68 0% 3.50 RR Tenpai can't buy happiness Perm
18 0 2021-12-19 48/48 0% 3.10 RR Agari team tournament Moscow
19 573 2021-11-28 33/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
20 839 2020-01-26 6/32 0% 2.70 RR The last chance: back to 2019 Moscow
21 577 2019-12-15 48/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
22 429 2019-11-24 37/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
23 968 2019-11-04 3/64 0% 3.85 EMA Aki Shanten 2019 Perm
24 909 2019-10-20 6/56 0% 3.18 EMA Tri Nitro Tournament 2019 - 7th Detonation Paris
25 478 2019-09-15 13/24 0% 2.20 EMA Valencia Riichi 2019 Valencia
26 629 2019-07-21 14/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
27 77 2019-06-02 37/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
28 60 2019-05-04 79/84 0% 4.20 EMA Haru Shanten 2019 Perm
29 617 2019-01-13 19/48 0% 3.10 RR Agari team tournament 2019 Moscow
30 821 2018-12-23 8/40 0% 2.90 RR North Cup 2018 Saint Petersburg
31 508 2018-12-16 32/64 0% 3.45 EMA White Dragon Tournament Moscow
32 835 2018-11-18 16/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
33 957 2018-09-16 3/48 0% 2.80 EMA 1st Spanish Riichi Open 2018 Valencia
34 149 2018-08-19 41/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
35 926 2018-07-15 3/28 0% 3.00 RR Moscow Open Riichi Marathon Moscow
36 613 2018-06-17 13/32 0% 2.85 EMA 5th Prague Open Riichi Championship 2018 Prague
37 859 2018-06-11 11/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
38 859 2018-05-01 11/72 0% 3.85 EMA Haru Shanten 2018 Perm
39 340 2018-03-25 32/48 0% 2.80 EMA Great Wave 2018 Helsinki
40 687 2017-12-11 27/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
41 845 2017-11-12 12/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
42 48 2017-10-22 61/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
43 111 2017-09-24 25/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
44 407 2017-09-03 17/28 0% 2.30 EMA Riichi Open Bratislava 2017 Bratislava
45 57 2017-07-09 34/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
46 913 2017-06-04 3/24 0% 2.90 EMA Prague Open 2017 Prague
47 282 2017-03-11 29/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
48 733 2017-02-12 5/16 0% 2.30 RR February mini-tournament glhf; 2017 Moscow
49 391 2016-12-10 15/24 0% 1.60 RR December tournament glhf; 2016 Moscow
50 507 2016-12-04 36/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
51 194 2016-10-16 26/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg
52 103 2016-09-11 79/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
53 263 2016-08-27 15/20 0% 1.50 RR August tournament glhf; 2016 Moscow
54 0 2016-05-28 24/24 0% 1.60 RR May tournament glhf; 2016 Moscow