Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Common russian riichi rating (CRR)

Rating date Aug. 19, 2022 (latest changes July 9, 2022).

15 place (583.22).

max_coefficients = (4.05 * 1 + 3.50 * 1 + 3.45 * 1 + 3.30 * 1) = 14.3

p1 = (573.33 * 3.45 * 1 + 0 * 3.10 * 1 + 746.27 * 3.50 * 1 + 981.98 * 4.05 * 1 + 0) / (3.45 * 1 + 3.10 * 1 + 3.50 * 1 + 4.05 * 1 + 1) = 567.3490066225165

p2 = (981.98 * 4.05 * 1 + 746.27 * 3.50 * 1 + 573.33 * 3.45 * 1 + 0 * 3.10 * 1) / max_coefficients = 599.0888111888113

score = 567.3490066225165 * 0.5 + 599.0888111888113 * 0.5 = 583.218908905664

Rating changes

Show

Date Place Points Reason
2022-06-12 28 -> 15 362.36 -> 583.22

Moscow Riichi 2022: 0% -> 100%

2022-03-20 40 -> 28 193.06 -> 362.36

Tenpai can't buy happiness: 0% -> 100%

2022-03-08 49 -> 40 193.06
2022-02-02 50 -> 49 226.36 -> 193.06

double-burning-2020: 14% -> 0%

2022-01-26 49 -> 50 269.85 -> 226.36

The last chance: back to 2019: 14% -> 0%

2022-01-05 47 -> 49 270.90 -> 269.85
2022-01-03 48 -> 47 269.85 -> 270.90
2021-12-22 50 -> 48 269.85
2021-12-19 30 -> 50 347.82 -> 269.85

Agari team tournament: 0% -> 100%

2021-12-15 28 -> 30 410.36 -> 347.82

VIII Russian Riichi Championship: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 982 2022-06-12 3/112 100% 4.05 RR Moscow Riichi 2022
2 746 2022-03-20 18/68 100% 3.50 RR Tenpai can't buy happiness
3 0 2021-12-19 48/48 100% 3.10 RR Agari team tournament
4 573 2021-11-28 33/76 100% 3.45 RR Saint Petersburg Open 2021
5 737 2020-02-02 6/20 0% 2.40 CRR double-burning-2020
6 839 2020-01-26 6/32 0% 2.70 RR The last chance: back to 2019
7 577 2019-12-15 48/112 0% 4.05 EMA VIII Russian Riichi Championship
8 429 2019-11-24 37/64 0% 3.45 EMA Saint Petersburg Open 2019
9 968 2019-11-04 3/64 0% 3.85 EMA Aki Shanten 2019
10 909 2019-10-20 6/56 0% 3.18 EMA Tri Nitro Tournament 2019 - 7th Detonation
11 478 2019-09-15 13/24 0% 2.20 EMA Valencia Riichi 2019
12 629 2019-07-21 14/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
13 77 2019-06-02 37/40 0% 2.90 RR Summer Cup 2019
14 60 2019-05-04 79/84 0% 4.20 EMA Haru Shanten 2019
15 67 2019-03-24 15/16 0% 2.60 CRR Double burning
16 617 2019-01-13 19/48 0% 3.10 RR Agari team tournament 2019
17 821 2018-12-23 8/40 0% 2.90 RR North Cup 2018
18 508 2018-12-16 32/64 0% 3.45 EMA White Dragon Tournament
19 835 2018-11-18 16/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
20 957 2018-09-16 3/48 0% 2.80 EMA 1st Spanish Riichi Open 2018
21 149 2018-08-19 41/48 0% 3.10 RR Moscow Riichi Open 2018
22 926 2018-07-15 3/28 0% 3.00 RR Moscow Open Riichi Marathon
23 613 2018-06-17 13/32 0% 2.85 EMA 5th Prague Open Riichi Championship 2018
24 859 2018-06-11 11/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
25 333 2018-05-20 19/28 0% 3.50 CRR A-League
26 421 2018-05-12 12/20 0% 1.50 CRR Agari tournament. First stage
27 859 2018-05-01 11/72 0% 3.85 EMA Haru Shanten 2018
28 340 2018-03-25 32/48 0% 2.80 EMA Great Wave 2018
29 0 2018-01-20 28/28 0% 1.70 CRR Team tournament Agari. Season event
30 687 2017-12-11 27/84 0% 3.40 EMA VI Russian Riichi Championship 2017
31 845 2017-11-12 12/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
32 48 2017-10-22 61/64 0% 3.45 EMA Moscow Riichi Open 2017
33 111 2017-09-24 25/28 0% 2.60 RR Moscow Riichi Half Marathon 2017
34 407 2017-09-03 17/28 0% 2.30 EMA Riichi Open Bratislava 2017
35 57 2017-07-09 34/36 0% 3.20 RR Moscow Open Riichi Marathon 2017
36 913 2017-06-04 3/24 0% 2.90 EMA Prague Open 2017
37 282 2017-03-11 29/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
38 733 2017-02-12 5/16 0% 2.30 RR February mini-tournament glhf; 2017
39 391 2016-12-10 15/24 0% 1.60 RR December tournament glhf; 2016
40 507 2016-12-04 36/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
41 194 2016-10-16 26/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
42 103 2016-09-11 79/88 0% 3.45 EMA V Russian Riichi Championship 2016
43 263 2016-08-27 15/20 0% 1.50 RR August tournament glhf; 2016
44 0 2016-05-28 24/24 0% 1.60 RR May tournament glhf; 2016